Računarske Mreže - Ispit (Prvi Deo)

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  • 1/132 Pitanja

    Rezervacija 24 bita za mrežu i 8 bitova za čvor je karakteristika:

    • Mreže klase A
    • Mreže klase B
    • Mreže klase C
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Računarske Mreže - Ispit (Prvi Deo) - Quiz

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  • 2. 

    Opseg IPv4 adresa 192.0.0.0-223.255.255.255 je karakteristika:

    • A klase mreža

    • B klase mreža

    • C klase mreža

    Correct Answer
    A. C klase mreža
    Explanation
    The given IPv4 address range, 192.0.0.0-223.255.255.255, falls within the range of Class C networks. In IPv4, IP addresses are divided into different classes based on their range. Class C networks have the first three octets reserved for network identification, while the last octet is used for host identification. The given address range starts with 192, which falls within the range of Class C networks. Therefore, the correct answer is C klase mreža.

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  • 3. 

    Ukoliko su prva tri bita mrežne adrese fiksirana na “110” u pitanju je:

    • Mreža klase C

    • Mreža klase B

    • Mreža klase A

    Correct Answer
    A. Mreža klase C
    Explanation
    If the first three bits of the network address are fixed at "110", it indicates that it is a class C network. In classful addressing, the first octet of a class C network starts with binary "110". This means that the network can have a maximum of 2^21 (2,097,152) host addresses.

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  • 4. 

    Opseg IPv4 adresa 128.0.0.0-191.255.255.255 je karakteristika:

    • B klase mreža

    • A klase mreža

    • C klase mreža

    Correct Answer
    A. B klase mreža
    Explanation
    The given range of IPv4 addresses, 128.0.0.0-191.255.255.255, falls within the range of Class B network addresses. Class B networks have a range of 128.0.0.0 to 191.255.255.255 and are typically used for medium-sized networks. They allow for a larger number of hosts compared to Class C networks, but not as many as Class A networks. Therefore, the correct answer is B klase mreža.

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  • 5. 

    Opseg dinamičkih portova transportnog sloja je:

    • 0-1023

    • 49152-65535

    • 1024-49151

    Correct Answer
    A. 49152-65535
    Explanation
    The dynamic port range for the transport layer is 49152-65535. This range is reserved for dynamically allocated ports by applications and services. Ports within this range are used for establishing connections and transferring data between different devices on a network. The lower range of ports (0-1023) is reserved for well-known ports, while the range 1024-49151 is allocated for registered ports.

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  • 6. 

    Ukoliko su prva dva bita mrežne adrese fiksirana na “10” u pitanju je:

    • Mreža klase A

    • Mreža klase B

    • Mreža klase C

    Correct Answer
    A. Mreža klase B
    Explanation
    If the first two bits of the network address are fixed at "10", then it indicates that it is a network of class B. In classful addressing, the first bit of the network address determines the class, and for class B networks, the first two bits are always "10". Class B networks have a larger range of IP addresses compared to class A networks but smaller than class C networks.

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  • 7. 

    Opseg IPv4 adresa 0.0.0.0-127.255.255.255 je karakteristika:

    • A klase mreža

    • C klase mreža

    • B klase mreža

    Correct Answer
    A. A klase mreža
    Explanation
    The given range of IPv4 addresses, 0.0.0.0-127.255.255.255, falls within the range of Class A network addresses. Class A networks have the first octet in the range of 0-127, which matches the given range. Class A networks have a large number of available IP addresses, as they use only the first octet to identify the network, allowing for a maximum of 16,777,214 hosts per network. Therefore, the correct answer is A klase mreža.

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  • 8. 

    Rezervacija 16 bitova za mrežu i 16 bitova za čvor je karakteristika:

    • Mreže klase A

    • Mreže klase C

    • Mreže klase B

    Correct Answer
    A. Mreže klase B
    Explanation
    The given answer suggests that the reservation of 16 bits for the network and 16 bits for the host is a characteristic of class B networks. In class B networks, the first 16 bits are reserved for the network address, allowing for a large number of networks with a moderate number of hosts in each network. This allocation of bits allows for a larger number of hosts compared to class C networks, which only reserve 8 bits for the host. Class A networks, on the other hand, reserve the first 8 bits for the network, allowing for a smaller number of networks with a large number of hosts in each network.

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  • 9. 

    IGMP je protokol (OSI i TCP/IP):

    • Fizičkog sloja

    • Sloja veze

    • Mrežnog sloja

    • Transportnog sloja

    • Aplikativnog sloja

    Correct Answer
    A. Mrežnog sloja
    Explanation
    IGMP (Internet Group Management Protocol) is a protocol used in TCP/IP networks to manage multicast group memberships. It operates at the network layer (also known as the internet layer) of the OSI and TCP/IP models. This layer is responsible for addressing, routing, and forwarding data packets across different networks. IGMP enables hosts to join and leave multicast groups, allowing them to receive multicast traffic. Therefore, the correct answer is "mrežnog sloja" which translates to "network layer" in English.

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  • 10. 

    IPX je protokol (OSI i TCP/IP):

    • Fizičkog sloja

    • Sloja veze

    • Mrežnog sloja

    • Transportnog sloja

    • Aplikativnog sloja

    Correct Answer
    A. Mrežnog sloja
    Explanation
    IPX je protokol koji pripada mrežnom sloju. Mrežni sloj je odgovoran za uspostavljanje, održavanje i prekid veza između različitih mreža. IPX protokol se koristi za rutiranje podataka između računara u mreži i omogućava im da komuniciraju međusobno. Ovo ga svrstava u mrežni sloj OSI modela i TCP/IP protokola.

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  • 11. 

    IPsec je protokol (OSI i TCP/IP):

    • Fizičkog sloja

    • Sloja veze

    • Mrežnog sloja

    • Transportnog sloja

    • Aplikativnog sloja

    Correct Answer
    A. Mrežnog sloja
    Explanation
    IPsec (Internet Protocol Security) is a protocol that operates at the network layer of the OSI and TCP/IP models. It provides security services such as authentication, integrity, and confidentiality for IP packets. By operating at the network layer, IPsec can protect all traffic that is sent over an IP network, regardless of the transport layer protocol being used. This makes it suitable for securing network-to-network or host-to-network communications. Therefore, the correct answer is mrežnog sloja (network layer).

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  • 12. 

    Osnovna jedinica za prenos podataka na mrežnom sloju je:

    • Okvir

    • Segment

    • Paket

    • Frejm

    Correct Answer
    A. Paket
    Explanation
    The correct answer is "Paket". On the network layer, data is divided into packets for transmission. A packet is a unit of data that contains the necessary information for routing and delivery across the network. It includes the source and destination IP addresses, as well as the actual data being transmitted. Packets are used to efficiently transmit data over the network, allowing for reliable and optimized communication between devices.

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  • 13. 

    Uređaj koji radi u mrežnom sloju je:

    • Switch

    • Hub

    • Router

    • Repeater

    Correct Answer
    A. Router
    Explanation
    A router is a device that operates in the network layer of the OSI model. It is responsible for forwarding data packets between different networks, making decisions based on the destination IP address. Routers are used to connect multiple networks together and facilitate the flow of data between them. Unlike switches and hubs, routers can determine the best path for data transmission and perform network address translation (NAT) to allow multiple devices to share a single public IP address. Therefore, a router is the correct answer as it operates at the network layer.

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  • 14. 

    Mrežni sloj je odgovoran za:

    • Prosleđivanje paketa od jednog do drugog kraja žice

    • Detekciju i korekciju greški na prenosnom putu

    • Obezbeđivanje pouzdanog prenosa između krajnjih računara

    • Prosleđivanje paketa sa jednog do drugog kraja mreže

    Correct Answer
    A. Prosleđivanje paketa sa jednog do drugog kraja mreže
    Explanation
    The correct answer is "Prosleđivanje paketa sa jednog do drugog kraja mreže" (Forwarding packets from one end of the network to the other). The network layer is responsible for routing and forwarding data packets across different networks or subnetworks. It determines the best path for data transmission and ensures that packets reach their intended destination. This layer also handles addressing and logical network topology.

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  • 15. 

    Glavni problem koji rešava IPv6 u odnosu na IPv4 je:

    • Veći adresni prostor

    • Veće performanse

    • Veća pouzdanost prenosa

    Correct Answer
    A. Veći adresni prostor
    Explanation
    IPv6 solves the main problem of address exhaustion that exists in IPv4. With IPv6, the address space is significantly larger, allowing for a much larger number of unique IP addresses to be assigned. This is important as the number of devices connected to the internet continues to grow. By providing a larger address space, IPv6 ensures that there are enough addresses available for all devices, both now and in the future.

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  • 16. 

    Parametar “Hop Limit” IPv6 paketa može se porediti sa IPv4 parametrom:

    • Time to Live

    • Total length

    • Type Of Service - TOS

    Correct Answer
    A. Time to Live
    Explanation
    The "Hop Limit" parameter in IPv6 packets is comparable to the "Time to Live" parameter in IPv4. Both parameters serve the same purpose of limiting the lifespan of a packet and preventing it from circulating indefinitely in the network. The value of the Hop Limit parameter is decremented by each router the packet passes through, and once it reaches zero, the packet is discarded. Similarly, the Time to Live parameter in IPv4 serves to limit the number of hops a packet can take before being discarded.

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  • 17. 

    SCTP protokol je protokol:

    • Fizičkog sloja

    • Sloja veze

    • Mrežnog sloja

    • Transportnog sloja

    • Aplikativnog sloja

    Correct Answer
    A. Transportnog sloja
    Explanation
    The correct answer is "transportnog sloja" because SCTP (Stream Control Transmission Protocol) is a transport layer protocol. The transport layer is responsible for the reliable and efficient delivery of data between network hosts. SCTP is designed to provide features such as multi-homing, message-oriented communication, and support for both reliable and unordered delivery of data.

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  • 18. 

    Mrežni sloj je odgovoran za:

    • Prosleđivanje paketa od jednog do drugog kraja žice

    • Prosleđivanje paketa sa jednog do drugog kraja mreže

    • Detekciju i korekciju greški na prenosnom putu

    • Obezbeđivanje pouzdanog prenosa između krajnjih računara

    Correct Answer
    A. Prosleđivanje paketa sa jednog do drugog kraja mreže
    Explanation
    The correct answer states that the network layer is responsible for forwarding packets from one end of the network to the other. This means that the network layer handles the routing of packets, ensuring that they are delivered to the correct destination within the network. It is responsible for determining the optimal path for packet transmission and managing the addressing and routing protocols required for this task.

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  • 19. 

    Aktivna mrežna oprema sa podrškom za 3. sloj (Layer 3) projektovana za IPv4 može se koristiti i za IPv6:

    • Da

    • Ne

    Correct Answer
    A. Da
    Explanation
    Active network equipment with support for Layer 3 is designed to handle IP routing. IPv4 and IPv6 are both network layer protocols, so if the equipment is capable of handling IPv4, it can also handle IPv6. Therefore, the answer is "Da" (Yes).

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  • 20. 

    Prenos podataka kod TCP protokola je:

    • Half-duplex

    • Full-duplex

    • Simplex

    Correct Answer
    A. Full-duplex
    Explanation
    The correct answer is full-duplex because in TCP protocol, data transmission can occur simultaneously in both directions. This means that the sender can send data while the receiver is also sending data at the same time. This allows for more efficient and faster communication compared to half-duplex or simplex transmission where data can only flow in one direction at a time.

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  • 21. 

    TCP protokol zahteva potvrdu o isporuci svakog poslatog segmenta.

    • Tačno.

    • Netačno.

    Correct Answer
    A. Tačno.
    Explanation
    The statement is true because the TCP protocol does require an acknowledgment of delivery for every sent segment. This acknowledgment ensures that the data sent by the sender is received correctly by the receiver. Without this acknowledgment, the sender would not know if the data reached its intended destination, leading to potential data loss or errors in transmission. Therefore, the statement is correct.

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  • 22. 

    UDP protokol je protokol:

    • Fizičkog sloja

    • Sloja veze

    • Transportnog sloja

    • Mrežnog sloja

    • Aplikativnog sloja

    Correct Answer
    A. Transportnog sloja
    Explanation
    UDP (User Datagram Protocol) is a transport layer protocol. It is one of the core protocols in the Internet protocol suite and is responsible for the transportation of data packets between applications on devices connected to a network. Unlike TCP (Transmission Control Protocol), UDP is a connectionless protocol that does not provide error checking or reliable delivery of data. It is commonly used for applications that require fast transmission of data, such as streaming media or online gaming. Therefore, the correct answer is transportnog sloja.

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  • 23. 

    CIDR zapis mrežne maske “255.255.255.224” je:

    • /16

    • /27

    • /31

    Correct Answer
    A. /27
    Explanation
    The CIDR notation "/27" represents the network mask "255.255.255.224". This notation indicates that the first 27 bits in the IP address are used to represent the network portion, while the remaining 5 bits are used for host addressing. This means that there are 32 IP addresses in total, with 30 usable for hosts in the network.

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  • 24. 

    ISCSI protokol je protokol:

    • Fizičkog sloja

    • Sloja veze

    • Mrežnog sloja

    • Transportnog sloja

    • Aplikativnog sloja

    Correct Answer
    A. Transportnog sloja
    Explanation
    The iSCSI protocol is a protocol that operates at the transport layer. This layer is responsible for the reliable delivery of data between network devices. iSCSI allows for the transmission of SCSI commands and data over IP networks, enabling the use of storage devices over a network. It uses TCP/IP as the underlying transport protocol, ensuring reliable and ordered delivery of data packets. Therefore, the correct answer is transportnog sloja.

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  • 25. 

    Ukoliko su prva dva bita mrežne adrese fiksirana na “01” u pitanju je:

    • Mreža klase B

    • Mreža klase C

    • Mreža klase A

    Correct Answer
    A. Mreža klase A
    Explanation
    The given information states that the first two bits of the network address are fixed at "01". In classful addressing, the first two bits of a class A network address are always "0 0". Therefore, if the first two bits are "01", it indicates that the network is a class A network.

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  • 26. 

    Ukoliko ruter dobije multicast poruku, određivanje lokalnih primalaca se određuje pomoću:

    • ICMP protokola

    • IGMP protokola

    • TCP protokola

    Correct Answer
    A. IGMP protokola
    Explanation
    IGMP (Internet Group Management Protocol) is used to manage multicast group memberships on an IP network. When a router receives a multicast message, it uses IGMP to determine which local hosts are interested in receiving the message. IGMP allows hosts to join or leave multicast groups, and routers use this information to forward multicast traffic only to the interested hosts. Therefore, the correct answer is IGMP protocol.

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  • 27. 

    TCP protokol poseduje mehanizam za eliminisanje istih segmenata koji su isporučeni više puta.

    • Tačno.

    • Netačno.

    Correct Answer
    A. Tačno.
    Explanation
    The statement is correct. The TCP protocol has a mechanism for eliminating duplicate segments that have been delivered multiple times. This mechanism is called the duplicate acknowledgment mechanism. When a duplicate segment is received, the receiver sends an acknowledgment indicating that it has already received that segment. The sender then knows that the segment has been successfully delivered and does not need to be sent again. This helps to ensure the reliable delivery of data over the TCP connection.

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  • 28. 

    Osim IPv4 adrese za uspešno adresiranje je neophodno imati i:

    • Masku podmreže (subnet mask)

    • Default gateway

    • IP adrese DNS servera

    Correct Answer
    A. Masku podmreže (subnet mask)
    Explanation
    In addition to IPv4 addresses, it is necessary to have a subnet mask for successful addressing. The subnet mask is used to determine the network portion of an IP address and the host portion. It helps in identifying which part of the IP address belongs to the network and which part belongs to the host. Without a subnet mask, it would not be possible to properly allocate IP addresses and establish communication within a network.

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  • 29. 

    Vrste decentralizovanog rutiranja su:

    • Ekspres rutiranje

    • Statičko rutiranje

    • Stohastičko rutiranje

    • Pouzdano rutiranje

    • Dinamičko rutiranje

    Correct Answer(s)
    A. Statičko rutiranje
    A. Dinamičko rutiranje
    Explanation
    The correct answer is static routing and dynamic routing. Static routing refers to the process of manually configuring the routes in a network, where the network administrator defines the paths that the data packets should take. Dynamic routing, on the other hand, is a more automated approach where routers exchange information with each other to determine the best path for data packets to reach their destination.

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  • 30. 

    IPv4 je protokol (OSI i TCP/IP):

    • Fizičkog sloja

    • Mrežnog sloja

    • Sloja veze

    • Transportnog sloja

    • Aplikativnog sloja

    Correct Answer
    A. Mrežnog sloja
    Explanation
    IPv4 is a protocol that operates at the network layer of the OSI and TCP/IP models. The network layer is responsible for routing packets across different networks and establishing logical connections between devices. IPv4 provides the addressing scheme used to identify devices on a network and enables the delivery of packets from the source to the destination. Therefore, it is correct to say that IPv4 operates at the network layer.

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  • 31. 

    IP adresa po standardu IPv4 sadrži:

    • Identifikaciju računara u datoj mreži

    • Identifikaciju proizvođača Ethernet kartice i njen serijski broj

    • Identifikaciju korisnika i njegov password

    • Identifikaciju države i identifikaciju mreže u toj državi

    Correct Answer
    A. Identifikaciju računara u datoj mreži
    Explanation
    An IP address in the standard IPv4 is used to identify a computer within a network. It is a unique numerical label assigned to each device connected to a network. This allows for the proper routing of data packets between devices and enables communication between them. The IP address does not contain information about the manufacturer of the Ethernet card, its serial number, the user's identification or password, or the country or network identification.

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  • 32. 

    Rezervacija 8 bitova za mrežu i 14 bita za čvor je karakteristika:

    • Mreže klase B

    • Mreže klase C

    • Mreže klase A

    Correct Answer
    A. Mreže klase A
    Explanation
    The given answer, "mreže klase A" (Class A network), is correct because it mentions the allocation of 8 bits for the network and 14 bits for the host. In Class A networks, the first octet is reserved for the network, allowing for a large number of networks (2^7) and a smaller number of hosts per network (2^14). This allocation scheme is consistent with the given information of 8 bits for the network and 14 bits for the host.

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  • 33. 

    IPv6 je protokol (OSI i TCP/IP):

    • Fizičkog sloja

    • Sloja veze

    • Mrežnog sloja

    • Transportnog sloja

    • Aplikativnog sloja

    Correct Answer
    A. Mrežnog sloja
    Explanation
    IPv6 is a protocol that operates at the network layer of the OSI and TCP/IP models. The network layer is responsible for routing packets across different networks and establishing end-to-end connections. IPv6, as a network layer protocol, provides unique IP addresses to devices and enables them to communicate with each other over the internet. It also supports features such as improved security, larger address space, and better performance compared to its predecessor, IPv4. Therefore, the correct answer is "mrežnog sloja" which translates to "network layer" in English.

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  • 34. 

    ICMP je protokol (OSI i TCP/IP):

    • Fizičkog sloja

    • Sloja veze

    • Mrežnog sloja

    • Transportnog sloja

    • Aplikativnog sloja

    Correct Answer
    A. Mrežnog sloja
    Explanation
    ICMP stands for Internet Control Message Protocol, which is a protocol used in the network layer of the OSI and TCP/IP models. It is responsible for sending error messages and operational information about network conditions. ICMP operates directly on top of IP (Internet Protocol), which is a network layer protocol. Therefore, the correct answer is "mrežnog sloja" (network layer).

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  • 35. 

    Skraćenica TCP označava:

    • Transport Class Protocol

    • Transfer Cluster Protocol

    • Transmission Control Protocol

    Correct Answer
    A. Transmission Control Protocol
    Explanation
    TCP stands for Transmission Control Protocol. It is a standard protocol used for transmitting data over networks. TCP ensures reliable and ordered delivery of data packets from one device to another. It provides error checking, flow control, and congestion control mechanisms to ensure that data is transmitted accurately and efficiently. TCP is a fundamental protocol in the TCP/IP suite, which is the basis of the internet.

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  • 36. 

    TCP protokol poseduje mehanizam za usklađivanje brzine slanja sa prihvatnom moći primaoca.

    • Tačno.

    • Netačno.

    Correct Answer
    A. Tačno.
    Explanation
    TCP protokol poseduje mehanizam za usklađivanje brzine slanja sa prihvatnom moći primaoca. This statement is correct. TCP (Transmission Control Protocol) has a mechanism called "congestion control" that allows it to adjust the transmission rate based on the receiver's ability to handle the data. This helps prevent network congestion and ensures that the receiver can receive and process the data efficiently.

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  • 37. 

    ISCSI protokol se uglavnom koristi na:

    • Gigabit mrežama

    • 100Mb mrežama

    • 10Mb mrežama

    Correct Answer
    A. Gigabit mrežama
    Explanation
    iSCSI protokol se uglavnom koristi na gigabit mrežama jer je gigabit mreža brža od 100Mb i 10Mb mreža. iSCSI je protokol za prenos blokova podataka preko IP mreže, koji se često koristi za povezivanje udaljenih skladišta podataka (storage) sa serverima. Gigabit mreže omogućavaju veću propusnost i brži prenos podataka, što je posebno važno za prenos velikih blokova podataka koji se koriste u skladištima podataka.

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  • 38. 

    Tabele rutiranja određuju:

    • Najbolji sledeći skok na osnovu IP adrese odredišta u paketu

    • Broj skokova od izvorišta do odredišta da bi paketi bili isporučeni

    • Pravila za potpuno sigurnu isporuku paketa odredištu

    • Postupke za konverziju formata podataka u raznorodnim okruženjima

    Correct Answer
    A. Najbolji sledeći skok na osnovu IP adrese odredišta u paketu
    Explanation
    Tabele rutiranja određuju najbolji sledeći skok na osnovu IP adrese odredišta u paketu. This means that routing tables determine the next hop for a packet based on the destination IP address. Routing tables are used by routers to make decisions on how to forward packets to their intended destinations. By examining the destination IP address in the packet header, the router consults its routing table to determine the best path for the packet to reach its destination. The routing table contains information about network prefixes and the corresponding next hop or interface to forward the packet.

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  • 39. 

    Opseg registrovanih portova transportnog sloja je:

    • 0-1023

    • 49152-65535

    • 1024-49151

    Correct Answer
    A. 1024-49151
    Explanation
    The correct answer is 1024-49151. This range represents the registered ports of the transport layer. Registered ports are used by applications and services that have been officially registered with the Internet Assigned Numbers Authority (IANA). These ports are commonly used for protocols such as FTP, SSH, and HTTP. The range of 1024-49151 allows for a large number of ports to be allocated to different applications while still leaving room for dynamic or ephemeral ports (49152-65535) and well-known ports (0-1023).

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  • 40. 

    Organizacija zadužena za standardizaciju portova transportnog protokola je:

    • IETF

    • IANA

    • IEEE

    Correct Answer
    A. IANA
    Explanation
    The correct answer is IANA. IANA (Internet Assigned Numbers Authority) is responsible for standardizing transport protocol ports. They allocate and maintain unique port numbers for various protocols to ensure smooth communication between different devices and networks. IETF (Internet Engineering Task Force) is responsible for developing and promoting internet standards, while IEEE (Institute of Electrical and Electronics Engineers) is an organization that focuses on the advancement of technology in various fields, including networking and communications.

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  • 41. 

    SACK opcija TCP protokola služi za povećanje performansi.

    • Tačno.

    • Netačno.

    Correct Answer
    A. Tačno.
    Explanation
    The SACK (Selective Acknowledgment) option in TCP protocol is used to improve performance by allowing the receiver to inform the sender about the specific segments that have been received successfully. This helps in reducing the number of retransmissions and allows for faster data transmission. Therefore, the statement "SACK opcija TCP protokola služi za povećanje performansi" (SACK option of the TCP protocol is used to increase performance) is correct.

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  • 42. 

    SPX protokol je protokol:

    • Fizičkog sloja

    • Sloja veze

    • Mrežnog sloja

    • Transportnog sloja

    • Aplikativnog sloja

    Correct Answer
    A. Transportnog sloja
    Explanation
    The correct answer is "transportnog sloja" because the SPX protocol is a transport layer protocol. The transport layer is responsible for the reliable delivery of data between end systems, providing services such as segmentation, flow control, and error recovery.

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  • 43. 

    SPX protokol se najčešće koristi u kombinaciji sa:

    • IPX protokolom

    • IP protokolom

    • TCP protokolom

    Correct Answer
    A. IPX protokolom
    Explanation
    SPX (Sequenced Packet Exchange) protocol is most commonly used in combination with the IPX (Internetwork Packet Exchange) protocol. The IPX protocol is a network layer protocol that is used in Novell NetWare networks. It provides routing and addressing capabilities for communication between network devices. SPX, on the other hand, is a transport layer protocol that operates on top of IPX. It provides reliable and sequenced delivery of data packets between applications running on different devices in the network. Therefore, the correct answer is IPX protokolom.

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  • 44. 

    ICMP je skraćenica od:

    • Internet Central Monitoring Protocol

    • Internet Centralized Management Protocol

    • Internet Control Message Protocol

    Correct Answer
    A. Internet Control Message Protocol
    Explanation
    ICMP stands for Internet Control Message Protocol. ICMP is a network protocol used by network devices, such as routers, to send error messages and operational information about network conditions. It is primarily used for diagnostic and control purposes, such as reporting errors, testing network connectivity, and troubleshooting network issues. ICMP is an integral part of the Internet Protocol Suite and plays a crucial role in ensuring the smooth operation of network communications.

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  • 45. 

    Osnovna uloga IKE-a kod IPsec-a je:

    • Obezbeđivanje poverljivosti

    • Obezbeđivanje upravljanja ključevima

    • Obezbeđivanje autentičnosti i integriteta

    Correct Answer
    A. Obezbeđivanje upravljanja ključevima
    Explanation
    The correct answer for this question is "obezbeđivanje upravljanja ključevima". This means that the primary role of IKE (Internet Key Exchange) in IPsec (Internet Protocol Security) is to provide key management. IKE is responsible for establishing and negotiating the security associations and cryptographic keys used for secure communication between two entities. It ensures that both parties have the necessary keys to encrypt and decrypt the data, thus ensuring the confidentiality and integrity of the communication.

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  • 46. 

    Opseg privilegovanih portova transportnog sloja je:

    • 0-1023

    • 1024-49151

    • 49152-65535

    Correct Answer
    A. 0-1023
    Explanation
    The privileged port range for the transport layer is from 0 to 1023. These ports are reserved for well-known services and protocols, such as HTTP (port 80) and HTTPS (port 443), which require elevated privileges to operate. By restricting these ports to privileged applications, it helps ensure that only authorized processes can use them, enhancing security and preventing unauthorized access to critical services.

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  • 47. 

    Aktivan prekid veze (eng. active close) kod TCP protokola predstavlja:

    • Iniciranje prekida veze

    • Prijhvatanje prekida veze

    • Prekid veze sa protokolom nižeg sloja

    Correct Answer
    A. Iniciranje prekida veze
    Explanation
    Aktivan prekid veze (eng. active close) kod TCP protokola predstavlja proces iniciranja prekida veze od strane jedne od komunikacionih strana. Ova strana aktivno šalje zahtev za prekid veze drugoj strani. Ovaj proces se obično koristi kada jedna strana završava komunikaciju i želi da prekine vezu. Nakon iniciranja prekida veze, druga strana može prihvatiti prekid i zatvoriti vezu, ili može odbiti prekid i nastaviti sa komunikacijom.

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  • 48. 

    ICMP protokol ima mogućnost da utvrdi koliko je vremena utrošeno za ostvarivanje komunikacije:

    • Da

    • Ne

    • Samo u okviru TCP protokola

    Correct Answer
    A. Da
    Explanation
    ICMP protokol ima mogućnost da utvrdi koliko je vremena utrošeno za ostvarivanje komunikacije. ICMP (Internet Control Message Protocol) je protokol koji se koristi za slanje poruka o greškama i upravljanje mrežnim uslugama. Jedna od funkcija ICMP protokola je slanje Echo Request i primanje Echo Reply poruka, koje se koriste za testiranje dostupnosti i latencije mrežnih veza. Na osnovu vremena između slanja zahteva i primanja odgovora, može se utvrditi koliko je vremena utrošeno za komunikaciju.

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  • 49. 

    Skraćenica UDP označava:

    • Uniform Data Protocol

    • User Datagram Protocol

    • Ultimate Definition Protocol

    Correct Answer
    A. User Datagram Protocol
    Explanation
    The correct answer is User Datagram Protocol. UDP is a transport layer protocol that provides a connectionless and unreliable communication service. It is used for sending datagrams in IP networks and is suitable for applications that require low overhead and real-time data transmission, such as streaming media or online gaming. Unlike TCP, UDP does not provide error checking or reliable delivery of data, making it faster but less reliable.

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Quiz Review Timeline (Updated): Mar 22, 2023 +

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  • Current Version
  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jun 08, 2015
    Quiz Created by
    Shonez
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