Ipt - Ispit 1. Deo

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1. SDU je skraćenica za:

Explanation

SDU is an abbreviation for Service Data Unit. This term is commonly used in telecommunications and refers to a specific unit of data that is transmitted over a network. The SDU contains the actual payload or information that is being sent, along with any necessary control information. It is an important concept in network protocols and is used to ensure the efficient and reliable transmission of data.

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IPT - Ispit 1. Deo.

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2. PDU je skraćenica za:

Explanation

The correct answer is "Protocol Data Unit" because PDU stands for Protocol Data Unit. A PDU is a specific unit of data that is transmitted over a network and is used to encapsulate data at different layers of the network protocol stack. It carries the necessary information for the network protocols to operate and communicate with each other effectively.

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3. PDU je skraćenica za:

Explanation

PDU stands for Protocol Data Unit, which refers to a specific unit of data that is transmitted over a network. It is used to encapsulate data at the transport layer of the network protocol stack. PDU contains both the data being transmitted and the necessary control information for its delivery. This term is commonly used in networking and telecommunications to describe the smallest unit of data that can be transmitted and received between devices in a network.

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4. Šesti sloj OSI referentnog modela je:

Explanation

The correct answer is the Prezentacioni sloj (Presentation layer). In the OSI reference model, the Presentation layer is responsible for data formatting and conversion, encryption and decryption, and compression and decompression. It ensures that data from the application layer is properly formatted and can be understood by the receiving system. This layer also handles data encryption and decryption for secure communication.

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5. Koji je prvi sloj u OSI referentnom modelu:

Explanation

The first layer in the OSI reference model is the physical layer. This layer is responsible for the physical transmission of data over the network, including the electrical, mechanical, and functional aspects of the network interface. It deals with the physical connection between devices, such as cables, connectors, and network interface cards. The physical layer ensures that the bits are transmitted reliably from one device to another.

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6. Protokol čine:

Explanation

The correct answer is "Sintaksa, semantika i vremenska sinhronizacija." This means that protocols consist of syntax, semantics, and temporal synchronization. Syntax refers to the structure and grammar of the protocol, semantics refers to the meaning and interpretation of the protocol, and temporal synchronization refers to the coordination of timing and sequencing of events in the protocol. All three components are necessary for a protocol to function correctly and effectively.

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7. OSI referentni model se odnosi na:

Explanation

The correct answer is 7 slojeva. The OSI referentni model se odnosi na 7 slojeva (fizički, data link, mrežni, transportni, sesijski, prezentacijski i aplikacijski sloj) koji se koriste za opisivanje komunikacije između računarskih sistema. Svaki sloj ima svoju specifičnu ulogu i odgovornost u procesu prenosa podataka.

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8. Skup slojeva i protokola naziva se:

Explanation

The term "slojevita arhitektura" in Croatian translates to "layered architecture" in English. This refers to the concept of organizing a system or network into different layers or levels, with each layer performing specific functions and providing services to the layer above it. This approach allows for modular design, easier troubleshooting, and interoperability between different systems. Therefore, "slojevita arhitektura" is the correct term for describing the concept of layering in the context of protocols and networks.

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9. Sedmi sloj OSI referentnog modela je:

Explanation

The correct answer is the Application layer. The OSI reference model consists of seven layers, with the Application layer being the topmost layer. This layer is responsible for providing services to the end-user applications, such as email, web browsing, and file transfer. It interacts directly with the user and is responsible for the communication between the application and the lower layers of the network stack.

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10. Glavna karakteristika fizičkog sloja je:

Explanation

The main characteristic of the physical layer is that it encompasses the mechanical, electrical, functional, and procedural aspects of data transmission. This means that the physical layer is responsible for the physical transmission of data, including the design and implementation of the hardware and the protocols used for communication. It ensures that the data is transmitted reliably and efficiently, taking into account the various aspects of the transmission medium.

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11. Šesti sloj OSI referentnog modela je:

Explanation

The correct answer is the Prezentacioni sloj (Presentation layer). This layer is responsible for formatting and presenting data to the application layer. It ensures that the data is in a usable format by converting it into a format that the application layer can understand. The presentation layer also handles encryption and decryption of data for secure communication between different systems.

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12. Glavna karakteristika fizičkog sloja je:

Explanation

The main characteristic of the physical layer is that it encompasses mechanical, electrical, functional, and procedural aspects. This means that the physical layer deals with the physical transmission of data, including the mechanical components involved (such as cables and connectors), the electrical signals used for communication, the functional aspects of how data is transmitted and received, and the procedures followed for data transmission. This comprehensive approach ensures that the physical layer provides a reliable and error-resistant means of data transmission.

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13. Par kontrolnih bajtova jedan do drugog znači da se jedan od njih pojavljuje u originalnim podacima koji se šalju.

Explanation

The statement is correct. It states that the presence of one parity bit next to another means that one of them appears in the original data being sent. This implies that the parity bits are used to detect errors in the data transmission.

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14. Skup slojeva i protokola naziva se:

Explanation

The correct answer is "Slojevita arhitektura" (Layered architecture). This term refers to the organization of network protocols and software into different layers or levels, each responsible for a specific function. This architecture allows for modular design, easier troubleshooting, and the ability to replace or upgrade individual layers without affecting the entire system. It promotes interoperability and standardization by defining clear interfaces between layers.

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15. Primitive su:

Explanation

The correct answer is "Zahtev, indikacija, odgovor i potvrda". This sequence represents the steps involved in a communication process. It starts with a request or a demand (zahtev), followed by an indication or a signal (indikacija) that the request has been received. Then, there is a response (odgovor) to the request, and finally, a confirmation (potvrda) that the response has been received. This sequence ensures effective communication and understanding between the parties involved.

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16. Najviše korišćeni predstavnik dinamičkih metoda pristupa transmisionom medijumu je:

Explanation

CSMA (Carrier Sense Multiple Access) is the most commonly used representative of dynamic methods for accessing the transmission medium. CSMA is a protocol used in Ethernet networks, where devices listen to the network before transmitting data. If the medium is idle, the device can transmit; if the medium is busy, the device waits for a random amount of time before attempting to transmit again. CSMA helps to avoid collisions and allows multiple devices to share the same transmission medium efficiently.

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17. Koji referentni model je standardizovan od strane ISO – a?

Explanation

The correct answer is OSI. OSI (Open Systems Interconnection) is a reference model that was standardized by ISO (International Organization for Standardization). It provides a framework for understanding and implementing network protocols and services. X.25, TCP/IP, and ATM are all networking protocols or technologies, but they are not the referent model standardized by ISO.

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18. OSI referentni model je:

Explanation

The OSI referentni model je podloga za definisanje standarda za povezivanje heterogenih mreža. This means that the OSI reference model serves as a foundation for defining standards for connecting different types of networks. It provides a framework that allows different network protocols and technologies to work together seamlessly, ensuring interoperability between different network devices and systems. The model consists of seven layers, each with its own specific functions and responsibilities, which helps in organizing and understanding the complex process of network communication.

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19. Za uspostavu i okončanje PPP veze je zadužen:

Explanation

LCP stands for Link Control Protocol. It is responsible for establishing and terminating the Point-to-Point Protocol (PPP) connection. LCP negotiates and configures the link parameters such as authentication, compression, and error detection. It also monitors the link for any errors or changes in the connection status. Therefore, LCP is the correct answer for this question.

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20. Koje tehnologije za prenos podataka se koriste u lokalnim računarskim mrežama?

Explanation

The correct answer is IEEE 802.3 and Eternet. IEEE 802.3 is a standard for Ethernet networking technology, which is commonly used in local computer networks. Ethernet is a widely used technology for transmitting data in local area networks (LANs). It allows for the connection of multiple devices and enables the transfer of data packets between them. Therefore, both IEEE 802.3 and Ethernet are used in local computer networks for data transmission.

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21. Par kontrolnih bajtova, jedan do drugog, znači da se jedan od njih pojavljuje u originalnim podacima koji se šalju:

Explanation

The explanation for the given correct answer is that when it is stated that the parity check bits are "jedan do drugog" (one next to the other), it means that one of them appears in the original data being sent. Therefore, the statement "Tačno" (True) is correct.

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22. Nabroj tri mrežne arhitekture:

Explanation

The correct answer is OSI, TCP/IP, X.25. These are three network architectures. OSI (Open Systems Interconnection) is a conceptual framework that standardizes the functions of a communication system into seven layers. TCP/IP (Transmission Control Protocol/Internet Protocol) is a protocol suite that allows computers to communicate over the internet. X.25 is a packet-switched network protocol that was widely used in the past for transmitting data over long distances.

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23. Prema OSI modelu, sloj N na jednoj mašini komunicira sa:

Explanation

According to the OSI model, layer N on one machine communicates with layer N on another machine. This means that the communication occurs between the same layer on both machines.

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24. Mostovi rade na drugom sloju i obezbeđuju više kolizionih domena

Explanation

Bridges work on the second layer of the network, known as the data link layer, and their main function is to divide the network into multiple collision domains. This means that each bridge creates a separate collision domain, which helps to reduce the number of collisions and improve the overall performance of the network. By separating the network into smaller segments, bridges also help to increase the available bandwidth for each segment, allowing for more efficient data transmission. Therefore, the statement that bridges provide multiple collision domains is correct.

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25. Ruteri usmeravaju saobraćaj na osnovu:

Explanation

Ruteri usmeravaju saobraćaj na osnovu IP adresa. IP adresa je jedinstvena identifikacija svakog uređaja koji je povezan na mrežu. Ruteri koriste IP adrese kako bi odredili najbolji put za slanje podataka od izvora do odredišta. Na osnovu IP adresa, ruteri mogu doneti odluku o tome koji put će podaci putovati kako bi stigli do odgovarajućeg odredišta.

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26. Koji referentni model je standardizovan od strane ISO – a?

Explanation

The correct answer is OSI. OSI (Open Systems Interconnection) is a reference model that was standardized by ISO (International Organization for Standardization). It provides a framework for understanding and implementing network protocols and consists of seven layers, each responsible for a specific function in the communication process. X.25, TCP/IP, and ATM are all network protocols but are not the referentni model standardized by ISO.

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27. Navesti funkciju aplikacionog sloja:

Explanation

not-available-via-ai

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28. SAP je skraćenica za:

Explanation

SAP is an abbreviation for Service Access Point. A Service Access Point is a point in a network where services can be accessed. It acts as an interface between the user and the network, allowing the user to connect to various services provided by the network. In the context of the question, SAP is the correct answer as it best represents the meaning of the abbreviation in relation to network services.

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29. Zbog čega je PPP često korišćen kod posrednika usluga?

Explanation

PPP (Point-to-Point Protocol) je često korišćen kod posrednika usluga jer podržava dodelu adresnog prostora, naplatu i autentifikaciju. Ovo je važno za pružanje sigurne i pouzdane komunikacije između korisnika i posrednika usluga. PPP omogućava dodelu jedinstvenih IP adresa korisnicima, što je neophodno za identifikaciju i rutiranje podataka. Takođe podržava naplatu usluga i autentifikaciju korisnika, što omogućava kontrolu pristupa i zaštitu od neovlašćenog pristupa.

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30. Kod PAP protokola lozinka se šalje:

Explanation

The correct answer is "Kao čitljiv tekst." This means that the password is sent as plain text, without any encryption or obfuscation. This is considered a security vulnerability because anyone who intercepts the communication can easily read the password and potentially gain unauthorized access to the system. It is recommended to use encryption or other secure methods to protect sensitive information like passwords during transmission.

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31. ATM je:

Explanation

The correct answer is "Mreža koja omogućava asinhroni prenos govora, podataka i video zapisa." This answer states that an ATM (Asynchronous Transfer Mode) is a network that allows for the asynchronous transmission of voice, data, and video. ATM is a technology used in telecommunications networks to transmit different types of information efficiently. It is not limited to only telephony services but can also be used for computer networks.

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32. Da li se virtuelne lokalne mreže mogu povezati i komutatorom 3. sloja, umesto ruterom?

Explanation

Virtual local area networks (VLANs) can be connected using a layer 3 switch instead of a router. A layer 3 switch has the capability to perform routing functions, allowing it to connect different VLANs and route traffic between them. This eliminates the need for a separate router, simplifying the network infrastructure and reducing costs. By using a layer 3 switch, organizations can efficiently manage and control their VLANs, improving network performance and flexibility.

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33. Svaki ram PPP protokola počinje i završava se jednobajtnom oznakom:

Explanation

The given answer, 01111110, is the correct answer because it represents the start and end delimiter of the PPP protocol frame. This delimiter is used to mark the beginning and end of the frame, allowing the receiver to properly identify and extract the data within the frame.

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34. Drugi sloj OSI referentnog modela je:

Explanation

The second layer of the OSI reference model is the Data Link layer. This layer is responsible for the reliable transfer of data between adjacent network nodes. It provides error detection and correction, as well as flow control mechanisms. The Data Link layer also handles the physical addressing of devices on the network and manages access to the network medium.

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35. Ako stanica, koja se nalazi u lokalnoj mreži, želi da pošalje paket izvan lokalne mreže onda ona mora da zna:

Explanation

When a station in a local network wants to send a packet outside of the local network, it needs to know the address of the default router. The default router is responsible for forwarding the packet to the appropriate destination network. The default switch, hub, and bridge are not involved in routing packets between networks.

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36. Koje tehnologije za prenos podataka se koriste u lokalnim računarskim mrežama?

Explanation

Ethernet and IEEE 802.3 are both correct answers because they refer to the same technology. Ethernet is a widely used technology for data transmission in local computer networks. It is based on the IEEE 802.3 standard, which specifies the physical and data link layer protocols for Ethernet networks. SONET, ISDN, DSL, and ATM are not specifically used in local computer networks for data transmission.

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37. Koji su to viši slojevi u OSI referentnom modelu?

Explanation

The correct answer is "Transportni sloj i svi slojevi iznad njega" which translates to "Transport layer and all layers above it" in English. This answer is correct because in the OSI reference model, the transport layer is responsible for end-to-end communication and ensures the reliable transmission of data between network devices. All layers above the transport layer, including the session, presentation, and application layers, build on top of it to provide various services and functionalities.

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38. Mrežni sloj OSI modela:

Explanation

The correct answer is "Bavi se logičkim adresiranjem i rutiranjem paketa po mreži" because the network layer of the OSI model is responsible for logical addressing and routing packets across the network. This layer ensures that packets are correctly addressed and routed to their intended destinations, regardless of the underlying physical network topology. It also handles tasks such as fragmentation and reassembly of packets, error detection, and congestion control.

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39. Jedinica podataka drugog sloja OSI referentnog modela je:

Explanation

The correct answer is Ram. In the OSI reference model, the second layer is the Data Link Layer, which is responsible for the reliable transmission of data between two nodes on a network. The unit of data at this layer is called a frame, and it is stored in the computer's memory known as Random Access Memory (RAM) before being transmitted over the network. RAM is a volatile memory that allows for fast read and write operations, making it suitable for temporarily storing data before it is sent across the network.

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40. Prijemnik koji vidi 01111110 kome prethodi 011111101 će ukloniti popunjen kontrolni bajt da bi rekonstruisao originalne podatke.

Explanation

The receiver will remove the stuffed control byte to reconstruct the original data.

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41. ATM je:

Explanation

The correct answer is "Mreža koja omogućava asihroni prenos govora, podataka i video zapisa." This answer states that ATM is a network that allows for asynchronous transmission of voice, data, and video. This means that ATM can handle various types of information and transmit them at different speeds, making it a versatile network for different types of communication.

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42. Sloj mreže je u OSI modelu:

Explanation

The correct answer is "Treći sloj" which translates to "Third layer" in English. This suggests that the question is asking about the layer of the network in the OSI model. The OSI model is a conceptual framework used to understand how different network protocols and technologies interact. It consists of seven layers, with the third layer being the Network layer. This layer is responsible for addressing, routing, and delivering data packets across different networks. Therefore, the correct answer is "Treći sloj" or "Third layer" in English.

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43. Kod PAP protokola lozinka se šalje kao:

Explanation

The correct answer is "Čitljiv tekst". In the PAP protocol, the password is sent as readable text. This means that the password is not encrypted or encoded in any way, and can be easily understood by anyone who intercepts it. This lack of security in transmitting passwords is a vulnerability that can be exploited by attackers.

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44. Prva tri okteta MAC adrese označavaju:

Explanation

The first three octets of a MAC address indicate the manufacturer or vendor of the network interface card. This is known as the OUI (Organizationally Unique Identifier) and is assigned by the Institute of Electrical and Electronics Engineers (IEEE). Each manufacturer is assigned a unique OUI, allowing them to be identified based on the MAC address of their devices.

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45. Primitive su podeljene u:

Explanation

The given answer states "4 klasе" as the correct answer. However, without any context or additional information, it is difficult to determine the exact meaning of "klasе" and its relevance to the question. Therefore, an explanation cannot be provided.

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46. Koji od navedenih standarda se odnosi na fizički sloj?

Explanation

RS-232 is the correct answer because it is a standard that defines the electrical, mechanical, and functional characteristics of serial communication between computers and other devices. It specifically refers to the physical layer of communication, which involves the transmission of raw data bits over a physical medium. TCP/IP and OSI are network protocol models, while IPX is a network protocol suite.

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47. Prilikom CHAP autentifikacije, Izazov (Challenge) generiše:

Explanation

During CHAP authentication, the Challenge is generated by the Autentifikator.

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48. U trenutku priključivanja mosta na računarsku mrežu, tabele sa zapisima MAC adresa su:

Explanation

At the moment of connecting the bridge to the computer network, the tables with MAC address records are empty.

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49. Pristupom mreži preko aplikacije bavi se:

Explanation

The correct answer is the "Aplikacioni sloj" (Application layer). This layer is responsible for providing services directly to the end-user applications. It handles tasks such as network communication protocols, application-level data exchange, and user interface. It ensures that data is properly formatted and presented to the user.

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50. Pristup transmisionom medijumu koji se koristi u Eternet mrežama je:

Explanation

CSMA/CD (Carrier Sense Multiple Access/Collision Detection) is the correct answer because it is the access method used in Ethernet networks. With CSMA/CD, devices on the network listen for carrier signals before transmitting data, and if two devices transmit at the same time and a collision occurs, they both stop transmitting and wait for a random amount of time before attempting to transmit again. This method helps to avoid data collisions and ensures efficient and fair access to the network medium.

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51. Obeležite karakteristike PAP protokola:

Explanation

The characteristics of the PAP protocol are that the password is sent as plain text and it uses a 2-way handshake. This means that the password is not encrypted or protected during transmission, which poses a security risk. Additionally, the 2-way handshake means that both the client and the server authenticate each other before establishing a connection.

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52. ICI je skraćenica od:

Explanation

The correct answer is "Interface Control Information". ICI is an acronym that stands for Interface Control Information. This term refers to the information or data that is used to control the interface between two systems or components. It includes specifications, protocols, and other details that are necessary for the proper functioning and communication between the interfaces.

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53. Virtuelno kolo se uspostavlja kod:

Explanation

The correct answer is "Servisa sa uspostavom veze". This means that a virtual circuit is established in a service that requires a connection to be established before data transfer can occur. This type of service ensures that a reliable and dedicated communication path is established between the sender and receiver before any data is transmitted. This is in contrast to datagram services, where each packet is treated independently and does not require a pre-established connection.

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54. Da bi odredio kuda da prosledi paket, šta analizira ruter kada dobije paket?

Explanation

When a router receives a packet, it analyzes the destination IP address to determine where to forward the packet. The destination IP address is crucial in routing the packet to the correct destination. The router uses its routing table to compare the destination IP address with the available routes and selects the appropriate next hop for forwarding the packet.

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55. Za konfigurisanje, održavanje i okončavanje veze kod PPP se koristi?

Explanation

The correct answer is LCP. LCP stands for Link Control Protocol and is used for configuring, maintaining, and terminating the connection in PPP (Point-to-Point Protocol). LCP is responsible for establishing and configuring parameters such as authentication and compression options between the two endpoints of the PPP connection. It also monitors the link for errors and can terminate the connection if necessary. TCP (Transmission Control Protocol) and NCP (Network Control Protocol) are not specifically used for configuring and maintaining the PPP connection. MAC (Media Access Control) is a lower-level protocol that operates at the data link layer and is not directly related to PPP configuration.

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56. PPP ram počinje i završava se jednobajtnom oznakom sa vrednošću:

Explanation

The given correct answer is "01111110". This is because in PPP (Point-to-Point Protocol), data frames are encapsulated between a start delimiter and an end delimiter. The start delimiter is always "01111110", indicating the beginning of a frame. Similarly, the end delimiter is also "01111110", indicating the end of a frame. Therefore, the correct answer represents the end delimiter in PPP.

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57. Ako se sekvenca 01111110 pojavljuje bilo gde u ramu, izuzev u polju oznake (flega), PPP protokol stavlja ispred te sekvence kontrolni bajt:

Explanation

PPP protokol stavlja ispred sekvenca 01111110 kontrolni bajt kada se ta sekvenca pojavi bilo gde u ramu, osim u polju oznake (flega).

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58. Obnavljači i višeportni obnavljači (koncetratori, habovi) ne analiziraju adrese.

Explanation

The statement is saying that "Obnavljači i višesportni obnavljači (koncentratori, habovi) ne analiziraju adrese." This translates to "Switches and multiport repeaters (concentrators, hubs) do not analyze addresses." The correct answer is "Tačno" which means "True."

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59. Za konfigurisanje, održavanje i okončavanje veze kod PPP se koristi:

Explanation

PPP (Point-to-Point Protocol) is a data link layer protocol that is commonly used to establish a direct connection between two network nodes. In order to configure, maintain, and terminate the connection, PPP utilizes the Link Control Protocol (LCP). LCP is responsible for establishing and configuring the link, negotiating authentication methods, monitoring the link for errors, and terminating the connection when necessary. Therefore, LCP is the correct answer for this question.

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60. Virtuelne lokalne računarske mreže, po specifikaciji IEEE, mogu da definišu brodkast domene na drugom sloju.

Explanation

According to the given statement, virtual local area networks (VLANs), as per the IEEE specification, can define broadcast domains at the second layer. This means that VLANs can separate network traffic into different broadcast domains, allowing for more efficient and secure network management. Therefore, the statement "Tačno" (True) is the correct answer.

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61. Ako primenimo princip onemogućene zatvorene petlje, od jedne lokalne mreže ka drugoj postoji:

Explanation

When applying the principle of disabled loop, there is only one path from one local network to another. This means that there are no alternate or backup paths, and there is no possibility of multiple paths. Therefore, the correct answer is "Samo jedan put" which translates to "Only one path" in English.

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62. Sloj veze obezbeđuje usluge sloju iznad sebe, a to je:

Explanation

The correct answer is the "Mrežni sloj" (Network layer). The network layer provides services to the layer above it, which is the transport layer. It is responsible for routing packets across different networks, ensuring that they reach their intended destination. This layer also handles logical addressing and fragmentation of data packets.

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63. Virtuelno kolo se uspostavlja kod:

Explanation

The correct answer is "Servisa sa uspostavom veze." This means that a virtual circuit is established during the connection setup of a service. In a virtual circuit, a dedicated path is created between the sender and receiver before data transmission, ensuring a reliable and ordered delivery of data packets. This is in contrast to datagram services, where each packet is treated independently and may take different routes to reach the destination. The virtual circuit provides a more predictable and controlled communication channel.

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64. Pristup transmisionom medijumu koji se koristi u Ethernet mrežama je:

Explanation

The correct answer is CSMA/CD. CSMA/CD stands for Carrier Sense Multiple Access with Collision Detection. It is a protocol used in Ethernet networks to regulate access to the transmission medium. In CSMA/CD, devices on the network listen for carrier signals before transmitting data. If multiple devices attempt to transmit at the same time and a collision occurs, they stop transmitting and wait for a random amount of time before attempting again. This method helps to minimize collisions and ensure efficient data transmission in Ethernet networks.

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65. MAC adresa se sastoji od:

Explanation

An MAC address is a unique identifier assigned to a network interface card (NIC) by the manufacturer. It consists of 6 octets (groups of 8 bits) that are represented in hexadecimal format. Each octet is separated by a colon or a hyphen. Therefore, the correct answer is "6 octets of bits written in hexadecimal."

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66. Most je uređaj koji radi na:

Explanation

The correct answer is "Drugi sloj" which translates to "Second layer" in English. This suggests that the device operates on the second layer of a network protocol stack. However, without further context or information about the specific network or device being referred to, it is difficult to provide a more detailed explanation.

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67. Statičko popunjavanje tabele rutiranja znači:

Explanation

The correct answer states that "Statičko popunjavanje tabele rutiranja znači da samo administrator to može ručno da uradi." This means that static routing table filling can only be done manually by the administrator. In static routing, the routes are manually configured and do not change automatically. This allows the administrator to have control over the routing decisions and ensures that the routes remain constant unless manually modified.

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68. Sloj veze OSI modela:

Explanation

The given answer correctly states that this layer of the OSI model provides a way to establish, maintain, and terminate connections. This layer is responsible for managing the communication session between two devices, including the setup and teardown of connections. It ensures that the data is reliably transmitted and received between the sender and receiver.

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69. Jedinica podataka drugog sloja OSI referentnog modela je segment:

Explanation

The given answer "Netačno" is correct because the data unit of the second layer of the OSI reference model is the frame, not the segment. A segment is a data unit used in the transport layer of the OSI model.

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70. Pre PPP protokola, koristili su se protokoli:

Explanation

The correct answer is SLIP and CSLIP because these protocols were used before the Point-to-Point Protocol (PPP) was introduced. SLIP (Serial Line Internet Protocol) was an early protocol used for connecting computers to the internet over serial lines. CSLIP (Compressed SLIP) was a variation of SLIP that allowed for data compression, improving transmission efficiency. The other options, KLIP and LLIP, are not mentioned or relevant in the given context.

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71. Komutator sloja 2 analizira:

Explanation

The Layer 2 switch analyzes MAC addresses. MAC addresses are unique identifiers assigned to network interfaces, and they are used at the data link layer to deliver data packets to the correct destination within a local network. The Layer 2 switch uses these MAC addresses to determine the appropriate port to forward the incoming packets.

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72. Koju adresu analizira most (bridge)?

Explanation

The correct answer is "Adresu drugog sloja" which translates to "The address of the second layer" in English. This suggests that the bridge analyzes the address at the data link layer, which is the second layer of the OSI model.

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73. Ćelija kod ATM sistema je veličine:

Explanation

The size of a cell in an ATM system is 53 bytes.

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74. Kako se rešava problem pojave sekvence bitova indikatora (oznake) u polju za informacije?

Explanation

The problem of the occurrence of bit sequence indicators (labels) in the information field is solved by using the technique of inserting bytes.

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75. Koji sloj obezbeđuje dijalog između aplikacija:

Explanation

The session layer provides the dialogue between applications. It establishes, maintains, and terminates connections between two communicating applications. This layer manages the session and ensures that data is transferred correctly and efficiently. It also handles synchronization, checkpointing, and recovery of the session if any interruptions occur.

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76. LLC podsloj obezbeđuje:

Explanation

The LLC (Logical Link Control) sublayer provides functions necessary for establishing and managing a logical connection between local devices in a network. This includes managing the flow of data between devices, handling error detection and correction, and ensuring reliable communication. The LLC sublayer is responsible for establishing and maintaining a logical link between devices, allowing them to communicate effectively and efficiently.

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77. Promena jednog sloja u OSI modelu:

Explanation

The correct answer is "Nema uticaja na ostale slojeve, što omogućava da se promena mrežne konfiguracije izvrši bez promena na ostalim slojevima". This means that a change in one layer of the OSI model does not affect the other layers, allowing for network configuration changes to be made without impacting the other layers.

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78. Jedinica podataka na sloju veze je:

Explanation

The correct answer is "Ram". In networking, a data unit at the data link layer is referred to as a "frame". However, in this context, the term "Ram" is used instead. Ram stands for Random Access Memory, which is a type of computer memory that allows data to be read from and written to in any order. It is used to temporarily store data that is being processed by the computer.

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79. Koji se metod pristupa transmisionom medijumu najčešće koristi kod bežičnih lokalnih računarskih mreža?

Explanation

CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance) is the method most commonly used for accessing the transmission medium in wireless local area networks. This method allows devices to listen to the medium and check if it is busy before transmitting data, thus avoiding collisions. Additionally, it includes a mechanism for avoiding collisions by requesting and receiving permission to transmit from the access point. This helps to ensure that data is transmitted successfully and reduces the chances of collisions in the wireless network.

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80. Data je slika komutatora sa dve virtuelne lokalne mreže VLAN1 i VLAN2. Da li stanice C1 i C6 mogu da komuniciraju?

Explanation

Stations C1 and C6 cannot communicate because they do not belong to the same broadcast domain. A broadcast domain is a logical division of a computer network, in which all devices can reach each other through broadcast at the data link layer. In this case, since C1 and C6 are in different VLANs, they are in different broadcast domains and cannot communicate directly.

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81. Obeležite karakteristike PAP protokola:

Explanation

The given answer states that the characteristics of the PAP protocol are that the password is sent as plain text and it uses a 2-way handshake. This means that the password is not encrypted or protected in any way during transmission, which can pose a security risk. Additionally, the 2-way handshake implies that the client and server exchange authentication information in two steps, confirming the identity of both parties.

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82. Kada se koristi ARP (Address Resolution Protocol)?

Explanation

ARP (Address Resolution Protocol) is used when the destination IP address is known, but its MAC address is unknown. This protocol allows a device to send an ARP request to the network, asking for the MAC address associated with a specific IP address. The device with the corresponding IP address will respond with its MAC address, allowing the sender to establish a direct communication link. This is necessary because devices on a network communicate using MAC addresses, and ARP helps to resolve the MAC address of a device when only the IP address is known.

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83. LLC podsloj obezbeđuje:

Explanation

The LLC (Logical Link Control) sublayer provides functions that are necessary for establishing and managing a logical connection between local devices. This sublayer is responsible for managing the flow of data between the network layer and the physical layer, ensuring reliable transmission of data across the network. It handles tasks such as framing data into frames, error detection and handling, and managing the logical link between devices.

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84. Ruteri preusmeravaju brodkast saobraćaj isto kao mostovi?

Explanation

Ruteri preusmeravaju brodkast saobraćaj isto kao mostovi.

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85. Na slici je prikazana:

Explanation

The correct answer is CHAP authentication. This can be inferred from the fact that CHAP authentication is mentioned only once in the given options, while the other options (NAP and PAP authentication) are mentioned twice. Therefore, it can be concluded that the correct answer is CHAP authentication.

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86. Zašto se PPP protokol koristi u digitalnim preplatničkim petljama?

Explanation

PPP protokol se koristi u digitalnim preplatničkim petljama zbog ugrađenosti mehanizma za autentifikaciju, jednostavnu dodelu i upravljanje IP adresama. Ovaj protokol omogućava sigurnu komunikaciju između korisnika i mreže, pružajući mogućnost autentifikacije korisnika putem korisničkog imena i lozinke. Takođe, PPP omogućava jednostavnu dodelu i upravljanje IP adresama, što je važno za pravilan rad mreže. Ove funkcionalnosti čine PPP protokol pogodnim za upotrebu u digitalnim preplatničkim petljama.

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87. Koje funkcije realizuje sloj veze?

Explanation

The correct answer is Mac podsloj, pravljenje ramova, adresiranje, otkrivanje i vođenje računa o greškama. This answer suggests that the layer performs functions such as creating frames, addressing, error detection, and error handling. These functions are typically associated with the data link layer in the OSI model, which is responsible for transmitting data bits between devices and ensuring their reliable delivery.

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88. Prilikom korišćenja virtuelnih lokalnih mreža (VLAN) brodkast domeni mrežnog uređaja su:

Explanation

VLANs (Virtual Local Area Networks) are logical units that are connected through virtual bridges. This means that they are not physically connected to each other but are logically grouped together. VLANs allow for the segmentation of a network, allowing different groups of devices to communicate with each other while remaining isolated from other groups. By using virtual bridges, the broadcast domains of the network devices are logically separated, ensuring efficient and secure communication within the VLAN.

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89. Fizički sloj OSI modela:

Explanation

The physical layer of the OSI model is responsible for the transmission of bits between two devices. It deals with the actual physical connection and transfer of data over the network. This layer determines the type of connection that needs to be established and, if necessary, performs data segmentation into datagrams. It is also responsible for flow control and error detection.

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90. Parnjak celine (peer) su:

Explanation

The correct answer is "Isti slojevi na različitim mašinama" which translates to "Same layers on different machines" in English. This means that peer-to-peer (P2P) networks consist of the same layers on different machines. In a P2P network, each machine or node functions as both a client and a server, allowing for the sharing of resources and information directly between the nodes without the need for a central server. This answer accurately describes the concept of P2P networks.

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91. Virtuelna veza između parnjak (peer) celina u OSI modelu ostvarena je:

Explanation

The virtual connection between peer entities in the OSI model is established using peer protocols. This means that the communication between two entities at the same layer is facilitated by protocols specifically designed for that layer. These protocols ensure that the data is properly encapsulated and transmitted between the peer entities.

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92. X.25 je standard za:

Explanation

X.25 je standard koji definiše interfejs između DTE (Data Terminal Equipment) i DCE (Data Circuit-terminating Equipment). DTE se odnosi na uređaje kao što su računari ili terminali koji generišu i primaju podatke, dok se DCE odnosi na opremu koja povezuje DTE uređaje sa transmisionim medijumom, kao što su modemi ili ruteri. Dakle, X.25 standard definiše kako će se podaci prenositi između ovih dveju vrsta uređaja.

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93. Standard IEEE802.11 definiše način povezivanja računara kod:

Explanation

The correct answer is "Bežičnih mreža" because the question is asking about the standard IEEE802.11, which is a set of protocols for wireless local area networks (WLANs). This standard defines the methods for connecting computers in wireless networks, making it the most appropriate answer among the given options.

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94. Koncentrator (hub) je:

Explanation

A koncentrator (hub) is an active element because it amplifies and regenerates the signal it receives before transmitting it to the connected devices. Unlike a passive element, which simply passes the signal along without any amplification or regeneration, an active element actively participates in the signal transmission process. Therefore, a koncentrator (hub) is considered an active element.

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95. Šta se događa ako se vrednost polja indikatora 01111110 pojavljuje u polju za informacije?

Explanation

When the value of the indicator field 01111110 appears in the information field, the PPP protocol inserts a control byte before that sequence. This is done to distinguish the indicator field from the information field and ensure proper communication. It helps in identifying the start and end of PPP frames. Therefore, the correct answer is that the PPP protocol inserts a control byte before the indicator sequence.

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96. U koliko različitih brodkast domena pripada ruter sa dva fizička interfejsa?

Explanation

A router with two physical interfaces belongs to two broadcast domains. Each interface creates a separate broadcast domain, as broadcast traffic is contained within the boundaries of a single network or subnet. Therefore, in this case, the router would belong to two different broadcast domains, one for each interface.

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97. Ukoliko se koncetrator (hub) u mreži zameni sa komutatorom, kako će to uticati na broj kolizionih domena?

Explanation

If the hub is replaced with a switch, the number of collision domains will increase. A hub operates at the physical layer of the OSI model and broadcasts all incoming data to all connected devices, causing collisions when multiple devices try to transmit at the same time. On the other hand, a switch operates at the data link layer and creates separate collision domains for each connected device, allowing for simultaneous transmissions without collisions. Therefore, replacing a hub with a switch will increase the number of collision domains, as each device will have its own dedicated collision domain.

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98. Izaberite karakteristike CHAP protokola:

Explanation

CHAP (Challenge-Handshake Authentication Protocol) is a protocol used for authenticating users in a network. One of the characteristics of CHAP is that the authenticator generates a challenge and sends it to the initiator of the connection. This challenge is used along with the password as input to a cryptographic hash function. The resulting output is then compared with the expected value stored on the server. If they match, authentication is successful. Another characteristic mentioned is that CHAP uses a two-way handshake process. Once the authentication is successfully completed, the CHAP protocol does not need to be repeated for subsequent connections.

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99. Razdvajanje velikih brodkast domena u više manjih:

Explanation

By dividing large broadcast domains into smaller ones, it improves network performance by reducing congestion and increasing the efficiency of data transmission. Additionally, it enhances security by limiting the scope of potential security breaches within an organization.

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100. Sintaksa protokola se odnosi na:

Explanation

The correct answer is "Format podataka i nivo signala". This refers to the syntax of the protocol, which includes the structure and format of the data being transmitted, as well as the level of the signal used for communication. It is important for ensuring proper communication and understanding between devices or systems using the protocol.

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101. Ripiteri su uređaji koji rade na:

Explanation

Ripiteri su uređaji koji rade na prvom sloju.

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102. Ukalupljivanje (enkapsulacija) je pojam koji se odnosi na:

Explanation

Ukalupljivanje (enkapsulacija) je pojam koji se odnosi na dodavanje zaglavlja na podatak. Ukalupljivanje je proces dodavanja kontrolnih informacija (zaglavlja) na početak podataka kako bi se osigurala ispravnost i integritet podataka prilikom prenosa. Zaglavlje sadrži informacije o izvoru i odredištu podataka, kao i druge kontrolne informacije koje su potrebne za pravilno usmjeravanje i obradu podataka. Dodavanje CRC-a i FCS-a se odnosi na dodavanje kontrolnih suma na podatak kako bi se detektovali eventualni gresi u prenosu, ali to nije specifično za koncept ukalupljivanja.

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103. Pravila o konverzaciji N slojeva na različitim mašinama se naziva:

Explanation

The given answer suggests that the correct term for the rules about communication in N layers on different machines is "Protokol N – tog sloja" which translates to "Protocol of the Nth layer". This implies that the rules and procedures for communication in the Nth layer of the network are referred to as the protocol.

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104. Koordinacijom dijaloga bavi se:

Explanation

The correct answer is "Sloj sesije" which translates to "Session layer" in English. The session layer is responsible for establishing, managing, and terminating sessions between applications. It ensures that data exchange between the applications is reliable and error-free. This layer handles tasks such as session establishment, synchronization, and checkpointing. It also manages the session's duration and ensures that the data is delivered in the correct order.

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105. Servis se formalno specificira preko:

Explanation

A service is formally specified through primitives. Primitives are the basic operations or functions that can be performed on a service. They define the actions that can be taken by the service and the parameters required for those actions. Primitives provide a standardized way of interacting with the service and allow different components or systems to communicate with each other effectively.

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106. ATM je mreža sa:

Explanation

ATM (Asynchronous Transfer Mode) is a network that uses cell switching, which means that data is transmitted in fixed-size cells. These cells are switched and routed through the network independently, allowing for efficient and reliable transmission of data. This form of switching is known as cell switching or "komutacijom ćelija" in Serbian. It is different from message switching or frame switching, which are other methods of data transmission used in different types of networks.

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107. Koncentrator radi sa:

Explanation

The correct answer is "Jednim kolizionim domenom" which translates to "One collision domain" in English. This means that the concentrator operates within a single collision domain, where network devices share the same communication medium and can potentially collide with each other while transmitting data.

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108. MAC adresa se menja:

Explanation

The correct answer is "Na svakom ruteru u adresu sledećeg rutera ili stanice" which translates to "On every router into the address of the next router or station." This means that the MAC address is changed at each router to ensure that the packet is forwarded to the correct destination. Each router replaces the MAC address with the MAC address of the next router or station in the network. This process allows the packet to be correctly routed through the network until it reaches its final destination.

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109. Kod CHAP protokola lozinka se šalje kao:

Explanation

The correct answer is "Uopšte se ne šalje." This means that the password is not sent at all during the CHAP protocol. In the CHAP protocol, the authentication process involves a challenge-response mechanism where the server sends a challenge to the client, and the client responds with a hashed value derived from the challenge and the password. The actual password is not transmitted over the network, ensuring its security.

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110. Ip adrese interfejsa stanica u različitim VLAN – ovima pripadaju:

Explanation

The IP addresses of interfaces belonging to different VLANs belong to different IP networks. This means that each VLAN operates on a separate IP network and has its own range of IP addresses. This allows for segmentation and isolation of network traffic between VLANs.

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111. Na slici je prikazana:

Explanation

The correct answer is PAP authentication. This is because PAP (Password Authentication Protocol) is a simple authentication method that uses a username and password to authenticate a user. It sends the username and password in plain text format, which makes it less secure compared to other authentication protocols like CHAP (Challenge-Handshake Authentication Protocol). Therefore, based on the given options, PAP authentication is the most appropriate explanation for the image.

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112. Datagram je tip servisa u kome:

Explanation

Datagram is a type of service where there is no establishment of a connection. This means that there is no need for any initial setup or negotiation between the sender and receiver before data transmission. Each packet, or datagram, is treated independently and can take different routes to reach its destination. This lack of connection establishment allows for faster and more efficient transmission, but it also means that there is no guarantee of delivery or order of arrival.

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113. NCP se koristi za konfigurisanje PPP protokola za različite protokole:

Explanation

NCP (Network Control Protocol) se koristi za konfigurisanje PPP (Point-to-Point Protocol) protokola za sloj mreže. PPP je protokol koji omogućava uspostavljanje veze između dva računara preko mreže. NCP se koristi za konfigurisanje različitih protokola koji se koriste na sloju mreže, kao što su IP (Internet Protocol), IPX (Internetwork Packet Exchange) ili AppleTalk.

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114. Označiti tačne izjave vezane za CHAP protokol:

Explanation

The correct answer states that "Lozinka i izazov su ulaz u kriptografsku funkciju izvoda" which means "Password and challenge are inputs to the cryptographic hash function." This statement is true for the CHAP protocol. In CHAP, the password and challenge are used to generate a hash value, which is then compared with the received hash value for authentication. The authentication process involves the initiator receiving the challenge from the authenticator and using the password to generate a response. If the response matches the expected hash value, the authentication is successful.

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115. Koji uređaji za međusobno povezivanje mreža se upotrebljavaju za povezivanje virtuelnih mreža?

Explanation

Komutator 3. sloja (Layer 3 switch) and Ruter (Router) are both devices that are used for connecting virtual networks. Layer 3 switches are capable of routing traffic based on IP addresses, making them suitable for connecting virtual networks. Routers are also designed to connect different networks together, including virtual networks. Therefore, both Komutator 3. sloja and Ruter can be used for connecting virtual networks.

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116. Virtuelna lokalna računarska mreža po specifikaciji IEEE definiše brodkast domene na:

Explanation

The correct answer is "Drugom sloju" which translates to "Second layer" in English. This suggests that a Virtual Local Area Network (VLAN) is defined at the second layer of the IEEE specification. The second layer is the Data Link Layer, which is responsible for the efficient and reliable transmission of data between two nodes on a network. Therefore, VLANs are implemented at this layer to create separate broadcast domains within a single physical network.

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117. Mac podsloj obezbeđuje:

Explanation

The MAC sublayer provides procedures that devices use to manage access to the transmission medium. This means that the MAC sublayer is responsible for controlling how devices on a network share and use the available bandwidth of the transmission medium. It ensures that multiple devices can transmit data without causing collisions or interference.

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118. Komutatori (switches) preusmeravanje i i filtriranje rade na osnovu:

Explanation

Komutatori (switches) rade na osnovu MAC adresa. MAC adresa je jedinstveni identifikator koji se dodeljuje mrežnim uređajima kao što su računari, serveri ili mrežne kartice. Komutatori koriste MAC adrese kako bi usmerili pakete saobraćaja na odgovarajući izlazni port. Na taj način se osigurava da paketi stignu do odredišta samo onim uređajima koji su namenjeni. Preusmeravanje i filtriranje na osnovu IP adresa i portova obavljaju se na drugim mrežnim uređajima kao što su ruteri ili firewall-ovi.

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119. X.25 je standard za:

Explanation

X.25 je standard za paketsku komutaciju. Ovaj standard se koristi za prenos podataka u mrežama, gde se podaci dele na pakete pre slanja i svaki paket se zasebno rutira do odredišta. X.25 omogućava efikasan i pouzdan prenos podataka kroz mrežu, koristeći tehniku paketske komutacije.

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120. Komutator (switch):

Explanation

The correct answer is "Radi sa više kolizionih domena" which translates to "It works with multiple collision domains." This means that a switch can connect multiple devices and separate them into different collision domains, reducing the chances of collisions and improving network performance.

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121. Kod štafetnog prenosa ramova:

Explanation

The correct answer is that error correction and flow control are performed on the receiver side.

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122. Ako se sekvenca 01111110 pojavljuje bilo gde u ramu, izuzev u polju oznake (flega), PPP protokol ne stavlja ispred te sekvence kontrolni bajt:

Explanation

PPP protokol stavlja kontrolni bajt ispred sekvence 01111110 ako se ona pojavi bilo gde u ramu, izuzev u polju oznake (flega).

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123. NCP se koristi za konfigurisanje PPP protokola za različite protokole:

Explanation

NCP (Network Control Protocol) se koristi za konfigurisanje PPP (Point-to-Point Protocol) protokola za različite protokole na sloju mreže. PPP je protokol koji se koristi za uspostavljanje veze između dva računara preko mreže. NCP je odgovoran za konfigurisanje specifičnih parametara i opcija za protokole na sloju mreže, kao što su IP (Internet Protocol), IPX (Internetwork Packet Exchange) ili AppleTalk. Dakle, NCP se koristi na sloju mreže kako bi se omogućila komunikacija između računara koji koriste različite protokole na tom sloju.

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124. Konverzijom u standardni format podataka bavi se:

Explanation

The correct answer is the Prezentacioni sloj (Presentation layer). The Presentation layer is responsible for converting data from the application layer into a standard format that can be understood by the receiving system. It handles tasks such as data encryption, compression, and formatting. The other options mentioned, Transportni sloj (Transport layer), Sloj sesije (Session layer), and Aplikacioni sloj (Application layer), are not directly involved in the conversion of data into a standard format.

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125. WiMAX Alliance promoviše i potvrđuje međusobni rad proizvoda za širokopojasne bežične sisteme koji koriste:

Explanation

The correct answer is IEEE802.16 and ETSI HiperMAN. WiMAX Alliance promotes and certifies interoperability of products for broadband wireless systems that use IEEE802.16 and ETSI HiperMAN standards. These standards define the specifications for wireless communication technologies, ensuring that devices from different manufacturers can work together seamlessly.

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126. Transportni sloj OSI modela:

Explanation

The transport layer of the OSI model determines the type of connection that needs to be established and performs data segmentation into datagrams if necessary. This layer is responsible for ensuring reliable communication by controlling the flow and detecting errors, as well as establishing, terminating, and maintaining connections between devices. It does not handle the physical transmission of bits between devices or the logical addressing and routing of packets in the network.

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127. Kom sloju OSI referentnog modela pripada PPP protokol?

Explanation

The correct answer is "Sloj veze" (Link layer). In the OSI reference model, the link layer is responsible for the node-to-node communication, providing the means for transmitting data over a single link or a network segment. The PPP (Point-to-Point Protocol) is a data link layer protocol commonly used to establish a direct connection between two nodes, such as a computer and a network server. Therefore, PPP belongs to the link layer of the OSI model.

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128. Da li se u zaglavlju PPP rama navodi izvorišna adresa?

Explanation

In the header of a PPP frame, the source address is not included. Only the destination address is included in the header. The source address is included in the trailer of the PPP frame. Therefore, the correct answer is "Ne" (No).

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129. Komutator (switch):

Explanation

The correct answer is "Radi samo sa jednim brodkast domenom" which translates to "It works only with one broadcast domain." This means that a komutator or switch is designed to operate within a single broadcast domain, which is a logical division of a computer network. It allows devices within the same broadcast domain to communicate with each other directly, while devices in different broadcast domains require routing to communicate.

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130. Nabroj tri mrežne arhitekture:

Explanation

The correct answer is OSI, TCP/IP, X.25. These are three different network architectures. OSI (Open Systems Interconnection) is a conceptual model that standardizes the functions of a communication system into seven different layers. TCP/IP (Transmission Control Protocol/Internet Protocol) is a suite of protocols that enables communication between devices on the internet. X.25 is a packet-switched network protocol that was widely used in the past for remote access and virtual private networks.

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131. PPP protokol pripada mrežnom sloju OSI referentnog modela:

Explanation

PPP protokol ne pripada mrežnom sloju OSI referentnog modela, već se nalazi na sloju veze podataka. OSI model ima sedam slojeva, a PPP je protokol koji se koristi za uspostavljanje i održavanje veze između dva čvora na mreži. Mrežni sloj uključuje protokole kao što su IP, ICMP i routing protokoli, dok se PPP koristi za prenos podataka između dva čvora.

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132. Na koju vrednost je postavljeno polje Upravljanje u PPP ramu?

Explanation

The field "Upravljanje" in the PPP frame is set to the value 00000011.

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133. Koja je vrednost adresnog polja u PPP ramu?

Explanation

The given answer, 11111111, represents the value of the address field in the PPP frame. The address field in PPP is 8 bits long and is always set to the value 11111111, which is a special value called the "all-stations address". This value indicates that the frame is being sent to all stations on the network, rather than to a specific destination station.

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134. PPP krotokol se može koristiti:

Explanation

PPP krotokol se može koristiti i na sinhronim i asinhronim vezama.

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SDU je skraćenica za:
PDU je skraćenica za:
PDU je skraćenica za:
Šesti sloj OSI referentnog modela je:
Koji je prvi sloj u OSI referentnom modelu:
Protokol čine:
OSI referentni model se odnosi na:
Skup slojeva i protokola naziva se:
Sedmi sloj OSI referentnog modela je:
Glavna karakteristika fizičkog sloja je:
Šesti sloj OSI referentnog modela je:
Glavna karakteristika fizičkog sloja je:
Par kontrolnih bajtova jedan do drugog znači da se jedan od njih...
Skup slojeva i protokola naziva se:
Primitive su:
Najviše korišćeni predstavnik dinamičkih metoda...
Koji referentni model je standardizovan od strane ISO – a?
OSI referentni model je:
Za uspostavu i okončanje PPP veze je zadužen:
Koje tehnologije za prenos podataka se koriste u lokalnim računarskim...
Par kontrolnih bajtova, jedan do drugog, znači da se jedan od njih...
Nabroj tri mrežne arhitekture:
Prema OSI modelu, sloj N na jednoj mašini komunicira sa:
Mostovi rade na drugom sloju i obezbeđuju više kolizionih...
Ruteri usmeravaju saobraćaj na osnovu:
Koji referentni model je standardizovan od strane ISO – a?
Navesti funkciju aplikacionog sloja:
SAP je skraćenica za:
Zbog čega je PPP često korišćen kod posrednika usluga?
Kod PAP protokola lozinka se šalje:
ATM je:
Da li se virtuelne lokalne mreže mogu povezati i komutatorom 3....
Svaki ram PPP protokola počinje i završava se jednobajtnom...
Drugi sloj OSI referentnog modela je:
Ako stanica, koja se nalazi u lokalnoj mreži, želi da pošalje...
Koje tehnologije za prenos podataka se koriste u lokalnim računarskim...
Koji su to viši slojevi u OSI referentnom modelu?
Mrežni sloj OSI modela:
Jedinica podataka drugog sloja OSI referentnog modela je:
Prijemnik koji vidi 01111110 kome prethodi 011111101 će ukloniti...
ATM je:
Sloj mreže je u OSI modelu:
Kod PAP protokola lozinka se šalje kao:
Prva tri okteta MAC adrese označavaju:
Primitive su podeljene u:
Koji od navedenih standarda se odnosi na fizički sloj?
Prilikom CHAP autentifikacije, Izazov (Challenge) generiše:
U trenutku priključivanja mosta na računarsku mrežu, tabele sa...
Pristupom mreži preko aplikacije bavi se:
Pristup transmisionom medijumu koji se koristi u Eternet mrežama je:
Obeležite karakteristike PAP protokola:
ICI je skraćenica od:
Virtuelno kolo se uspostavlja kod:
Da bi odredio kuda da prosledi paket, šta analizira ruter kada...
Za konfigurisanje, održavanje i okončavanje veze kod PPP se koristi?
PPP ram počinje i završava se jednobajtnom oznakom sa...
Ako se sekvenca 01111110 pojavljuje bilo gde u ramu, izuzev u polju...
Obnavljači i višeportni obnavljači (koncetratori, habovi) ne...
Za konfigurisanje, održavanje i okončavanje veze kod PPP se koristi:
Virtuelne lokalne računarske mreže, po specifikaciji IEEE, mogu da...
Ako primenimo princip onemogućene zatvorene petlje, od jedne lokalne...
Sloj veze obezbeđuje usluge sloju iznad sebe, a to je:
Virtuelno kolo se uspostavlja kod:
Pristup transmisionom medijumu koji se koristi u Ethernet mrežama je:
MAC adresa se sastoji od:
Most je uređaj koji radi na:
Statičko popunjavanje tabele rutiranja znači:
Sloj veze OSI modela:
Jedinica podataka drugog sloja OSI referentnog modela je segment:
Pre PPP protokola, koristili su se protokoli:
Komutator sloja 2 analizira:
Koju adresu analizira most (bridge)?
Ćelija kod ATM sistema je veličine:
Kako se rešava problem pojave sekvence bitova indikatora...
Koji sloj obezbeđuje dijalog između aplikacija:
LLC podsloj obezbeđuje:
Promena jednog sloja u OSI modelu:
Jedinica podataka na sloju veze je:
Koji se metod pristupa transmisionom medijumu najčešće...
Data je slika komutatora sa dve virtuelne lokalne mreže VLAN1 i...
Obeležite karakteristike PAP protokola:
Kada se koristi ARP (Address Resolution Protocol)?
LLC podsloj obezbeđuje:
Ruteri preusmeravaju brodkast saobraćaj isto kao mostovi?
Na slici je prikazana:
Zašto se PPP protokol koristi u digitalnim preplatničkim...
Koje funkcije realizuje sloj veze?
Prilikom korišćenja virtuelnih lokalnih mreža (VLAN) brodkast...
Fizički sloj OSI modela:
Parnjak celine (peer) su:
Virtuelna veza između parnjak (peer) celina u OSI modelu ostvarena...
X.25 je standard za:
Standard IEEE802.11 definiše način povezivanja računara kod:
Koncentrator (hub) je:
Šta se događa ako se vrednost polja indikatora 01111110...
U koliko različitih brodkast domena pripada ruter sa dva fizička...
Ukoliko se koncetrator (hub) u mreži zameni sa komutatorom, kako će...
Izaberite karakteristike CHAP protokola:
Razdvajanje velikih brodkast domena u više manjih:
Sintaksa protokola se odnosi na:
Ripiteri su uređaji koji rade na:
Ukalupljivanje (enkapsulacija) je pojam koji se odnosi na:
Pravila o konverzaciji N slojeva na različitim mašinama se...
Koordinacijom dijaloga bavi se:
Servis se formalno specificira preko:
ATM je mreža sa:
Koncentrator radi sa:
MAC adresa se menja:
Kod CHAP protokola lozinka se šalje kao:
Ip adrese interfejsa stanica u različitim VLAN – ovima...
Na slici je prikazana:
Datagram je tip servisa u kome:
NCP se koristi za konfigurisanje PPP protokola za različite...
Označiti tačne izjave vezane za CHAP protokol:
Koji uređaji za međusobno povezivanje mreža se upotrebljavaju za...
Virtuelna lokalna računarska mreža po specifikaciji IEEE...
Mac podsloj obezbeđuje:
Komutatori (switches) preusmeravanje i i filtriranje rade na osnovu:
X.25 je standard za:
Komutator (switch):
Kod štafetnog prenosa ramova:
Ako se sekvenca 01111110 pojavljuje bilo gde u ramu, izuzev u polju...
NCP se koristi za konfigurisanje PPP protokola za različite...
Konverzijom u standardni format podataka bavi se:
WiMAX Alliance promoviše i potvrđuje međusobni rad proizvoda...
Transportni sloj OSI modela:
Kom sloju OSI referentnog modela pripada PPP protokol?
Da li se u zaglavlju PPP rama navodi izvorišna adresa?
Komutator (switch):
Nabroj tri mrežne arhitekture:
PPP protokol pripada mrežnom sloju OSI referentnog modela:
Na koju vrednost je postavljeno polje Upravljanje u PPP ramu?
Koja je vrednost adresnog polja u PPP ramu?
PPP krotokol se može koristiti:
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