Sloju OSI I TCP/Ah Komunikacionih

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  • 1/131 Pitanja

    Uniformni lokator resursa (URL) koji podrazumeva autentifikaciju korisnika za prisput resursu sadrzi simbol:

    • !
    • ?
    • @
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Sloju OSI I TCP/Ah Komunikacionih - Quiz

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  • 2. 

    Uredjaj sa podrskom za rad na mreznom sloju je:

    • Pojacivac signala

    • Ruter

    • Komutator

    Correct Answer
    A. Ruter
    Explanation
    A device with network layer support is a router. Routers are responsible for routing data packets between different networks based on their IP addresses. They operate at the network layer of the OSI model and use routing tables to determine the best path for data transmission. Routers also provide network address translation (NAT) and firewall functionalities. A signal amplifier (pojacivac signala) and a switch (komutator) do not operate at the network layer and do not provide the same level of network routing capabilities as a router.

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  • 3. 

    U domenskom imenu www.singidunum.ac.rs domen najviseg nivoa je

    • Singidunum

    • Rs

    • Ac

    • Www

    Correct Answer
    A. Rs
    Explanation
    The correct answer is "rs" because in the given domain name "www.singidunum.ac.rs", "rs" is the top-level domain (TLD). A TLD is the last part of a domain name, which represents the highest level in the domain name system hierarchy. In this case, "rs" indicates that the website belongs to Serbia.

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  • 4. 

    Administrator mreze zeli da korisnicima omoguci sinhronizovanu glasovnu komunikaciju koriscenjem rachunarske mreze.U ovu svrhu ce aktivirati:

    • VoIP

    • HTTP

    • TCP

    Correct Answer
    A. VoIP
    Explanation
    The correct answer is VoIP. VoIP stands for Voice over Internet Protocol, which enables users to make voice calls over the internet instead of using traditional telephone lines. By activating VoIP, the administrator will be able to provide synchronized voice communication to the users through the computer network. HTTP (Hypertext Transfer Protocol) is used for transferring data on the World Wide Web, and TCP (Transmission Control Protocol) is a protocol that ensures reliable and ordered delivery of data packets. However, neither HTTP nor TCP specifically facilitate voice communication like VoIP does.

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  • 5. 

    Mrezni prolaz (engl. gateway) ima osnovnu funkciju:

    • Omogucavanja komunikacije izmedju susednih racunarskih mreza

    • Prevodjenja mreznih adresa

    • Davanja mrezne konfiguracije clanovima

    • Filtriranja paketa po razlicitim parametrima

    Correct Answer
    A. Omogucavanja komunikacije izmedju susednih racunarskih mreza
    Explanation
    A gateway enables communication between neighboring computer networks.

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  • 6. 

    Istrazivanja pokazuju da od ukupnog broja poslatih pisama za elektronsku postu sledeci udeo cine nezeljene (spem) poruke:

    • Preko 80%

    • Oko 50%

    • Oko 20%

    • Oko 10%

    Correct Answer
    A. Preko 80%
    Explanation
    The correct answer is "preko 80%". The question states that research shows the proportion of unwanted (spam) messages among the total number of sent emails. The answer "preko 80%" indicates that more than 80% of the emails sent are considered spam.

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  • 7. 

    Za izradu i odrzavanje Veb sajtova danas se cesto koriste:

    • Sistemi za podrsku u odlucivanju

    • Sistemi za optimizaciju za pretrazivace

    • Sistemi za upravljanje sadrzajem (CMS)

    Correct Answer
    A. Sistemi za upravljanje sadrzajem (CMS)
    Explanation
    The correct answer is "sistemi za upravljanje sadrzajem (CMS)". This is because CMS (Content Management Systems) are commonly used for the creation and maintenance of websites. CMS allows users to easily manage and update website content without requiring technical knowledge or coding skills. It provides a user-friendly interface for content editing, organizing, and publishing, making it an essential tool for website development and maintenance.

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  • 8. 

    Staticko rutiranje je efikasno kod:

    • Mreza svih velicina i frenkvencija izmene

    • Manjih i staticnih mreza

    • Velikih i dinamickih mreza

    Correct Answer
    A. Manjih i staticnih mreza
    Explanation
    Staticko rutiranje je efikasno kod manjih i staticnih mreza. Ovo je zato što u manjim mrezama ima manje cvorova i rutiranje je jednostavnije. Takođe, u staticnim mrezama, gde se konfiguracija rutiranja ne menja često, statičko rutiranje je dovoljno efikasno. Velike i dinamičke mreže, sa velikim brojem cvorova i promenljivom konfiguracijom rutiranja, zahtevaju složenije rutiranje, kao što je dinamičko rutiranje.

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  • 9. 

    Danas je na raspolaganju:

    • Zanemarljiv broj javnih adresa Internet protokola

    • Oko 2 milijarde javnih adresa Internet protokola

    • Veliki broj javnih adresa Internet protokola

    Correct Answer
    A. Veliki broj javnih adresa Internet protokola
    Explanation
    There is a large number of public IP addresses available today. This means that there are a significant amount of unique addresses that can be assigned to devices connected to the internet. This allows for a large number of devices to be connected and communicate with each other over the internet without running out of available addresses.

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  • 10. 

    Najpopularnija softverska realizacija serverske strane Veb servisa danas je:

    • Fajerfoks

    • Apac

    • HTTP protokol

    Correct Answer
    A. Apac
    Explanation
    The correct answer is "Apac." This refers to Apache, which is the most popular software implementation of a server-side web service. Apache is widely used due to its reliability, scalability, and extensive features. It is an open-source software that supports the HTTP protocol, making it a preferred choice for hosting websites and serving web content.

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  • 11. 

    Danas je na raspolaganju:

    • Zanemarljiv broj javnih adresa Internet protokola

    • Oko 2 milijarde javnih adresa Internet protokola

    • Veliki broj javnih adresa Internet protokola

    Correct Answer
    A. Veliki broj javnih adresa Internet protokola
    Explanation
    There is a large number of public IP addresses available today.

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  • 12. 

    Rucni unos zapisa tabele rutiranja od strane administratora mreze naziva se:

    • Staticno rutiranje

    • Komutacija na sloju veze

    • Dinamicko rutiranje

    Correct Answer
    A. Staticno rutiranje
    Explanation
    The correct answer is "staticno rutiranje". This term refers to the manual input of routing table entries by a network administrator. In static routing, the network administrator manually configures the routes in the routing table, specifying the next hop for each destination network. This method is typically used in small networks with a simple and stable network topology, where the routes do not change frequently.

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  • 13. 

    Veb servis Internet mreze je nastao:

    • 1980. godine

    • 2001. godine

    • 1960. godine

    • 1991. godine

    Correct Answer
    A. 1991. godine
    Explanation
    The correct answer is 1991. godine. This is because the World Wide Web (WWW), which is a system of interlinked hypertext documents accessed through the internet, was invented by Tim Berners-Lee in 1989 and became publicly available in 1991. Therefore, the development of web services on the internet can be attributed to this time period.

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  • 14. 

    Elektronska posta je u upotrevi vec: 

    • 40 godina

    • 30 godina

    • 20 godina

    • 10 godina

    Correct Answer
    A. 40 godina
    Explanation
    Electronic mail, commonly known as email, has been in use for 40 years. It was first introduced in the early 1970s and has since become one of the most widely used methods of communication. With the advent of the internet, email has become an essential tool for both personal and professional communication, allowing people to send and receive messages, documents, and other types of media quickly and efficiently.

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  • 15. 

    Obratite paznju na sledecu ilustraciju (slika cmd-a):: Sa velikom verovatnocom se moze zakljuciti da navedeni sistemi prvi put ostvaruju vezu putem SSH protokola:

    • Tacno

    • To se sa ilustracije ne moze zakljuciti

    • Netacno

    Correct Answer
    A. Tacno
    Explanation
    The given illustration is a screenshot of a command prompt window. Since the question states that "it can be concluded with a high probability that the mentioned systems establish a connection via the SSH protocol for the first time," it implies that the command prompt window is showing the process of establishing an SSH connection. Therefore, it can be inferred that the systems are indeed establishing a connection using the SSH protocol for the first time.

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  • 16. 

    U dokumentu kojim se opisuje uvodjenje novog servisa u racunarsku mrezu pominju se protokoli H.323 i SIP. Najverovatnije je u pitanju:

    • Veb Intranet

    • Protokol za prenos fajlova

    • Internet telefonija

    Correct Answer
    A. Internet telefonija
    Explanation
    The mention of protocols H.323 and SIP in a document describing the introduction of a new service in a computer network suggests that the most likely answer is Internet telephony. H.323 and SIP are both protocols commonly used in the field of Internet telephony for establishing and managing communication sessions over IP networks. This indicates that the document is discussing the implementation of a service related to Internet telephony.

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  • 17. 

    Jedan od tipova jednosmerne asinhrone video—konferencije putem Internet mreze naziva se:

    • Broadcasting

    • Internet telefonija

    • Webcasting

    Correct Answer
    A. Webcasting
    Explanation
    Webcasting is a type of one-way asynchronous video conference conducted over the internet. It involves the broadcasting of audio and video content to a large audience, allowing them to view the conference remotely. Unlike internet telephony, which involves two-way communication, webcasting is primarily focused on delivering content to viewers rather than facilitating interactive communication. Broadcasting refers to the transmission of audio or video signals to a large number of recipients simultaneously, but it does not specifically refer to video conferences conducted over the internet. Therefore, the correct answer is webcasting.

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  • 18. 

    Klase mreznih adresa su zamenljive besklasnim adresovanjem:

    • 2001. godine

    • 1993. godine

    • 2011. godine

    • 1981. godine

    Correct Answer
    A. 1993. godine
    Explanation
    In 1993, the Internet Engineering Task Force (IETF) introduced the Classless Inter-Domain Routing (CIDR) system, which replaced the traditional classful addressing system. CIDR allowed for more efficient allocation of IP addresses by allowing networks to be divided into smaller subnets. This eliminated the need for strict class boundaries and made the addressing system more flexible. Therefore, the statement "Klase mreznih adresa su zamenljive besklasnim adresovanjem" means that network classes were replaced by classless addressing in 1993.

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  • 19. 

    Automatizovani unos zapisa u tabelu rutiranja naziva se:

    • Dinamicko rutiranje

    • Staticko rutiranje

    • Komutacija na sloju veze

    Correct Answer
    A. Dinamicko rutiranje
    Explanation
    Automatizovani unos zapisa u tabelu rutiranja se naziva dinamičko rutiranje. Dinamičko rutiranje je proces u kojem se mrežni uređaji automatski ažuriraju sa informacijama o najboljim putanjama za slanje podataka. Ova tehnika omogućava mreži da se prilagođava promenama u mrežnom saobraćaju i obezbeđuje efikasno i optimizovano rutiranje.

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  • 20. 

    Dva najcesce koriscena metoda HTTP protokola su:

    • HEAD

    • POST

    • DELETE

    • GET

    • TRACE

    Correct Answer(s)
    A. POST
    A. GET
    Explanation
    The correct answer is POST and GET. These are the two most commonly used methods in the HTTP protocol. POST is used to send data to the server to create or update a resource, while GET is used to retrieve data from the server. These methods are essential for communication between clients and servers in web applications.

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  • 21. 

    Protokol za kontrolu prenosa (engl. Transmission Control Protocol, TCP) radi:

    • Bez uspostavljanja veze

    • Sa ili bez uspostavljanja veze, po potrebi

    • Sa uspostavljanjem veze

    Correct Answer
    A. Sa uspostavljanjem veze
    Explanation
    The correct answer is "sa uspostavljanjem veze" which means "with establishing a connection" in English. This means that TCP protocol works by establishing a connection between the sender and receiver before transmitting data. This connection ensures reliable and ordered delivery of data packets.

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  • 22. 

    Hosts fajlovi danas su:

    • Prevazidjeni uvodjenjem DNS servisa

    • Jos uvek aktuelni, sa nizim prioritetom od DNS servisa

    • Jos uvek aktuelni, sa visim prioritetom od DNS servisa

    Correct Answer
    A. Jos uvek aktuelni, sa visim prioritetom od DNS servisa
  • 23. 

    Podrazumevano vreme vazenja informacija koje pruza DNS server je:

    • Trajno

    • Jedan dan

    • Jedan sat

    • Deset dana

    Correct Answer
    A. Jedan dan
    Explanation
    The default time for which information provided by a DNS server is valid is one day. This means that the information will be considered accurate and up-to-date for a period of 24 hours before it needs to be refreshed or updated.

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  • 24. 

    Koriscenjem alata za snimanje mreznog saobracaja uhvacen je paket ICMP protokola. Kao verovatni izvor ovog paketa moze se uzeti:

    • Neki protokol za rutiranje

    • Alat ping

    • Sistem za prenos fajlova

    Correct Answer
    A. Alat ping
    Explanation
    The correct answer is "alat ping" because ICMP (Internet Control Message Protocol) is commonly used by the "ping" tool to send echo request messages and receive echo reply messages. The "ping" tool is used to test the connectivity and response time of a network device. Therefore, it is likely that the ICMP packet was captured from the use of the "ping" tool.

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  • 25. 

    Protokoli SMB i CIFS najcesce se koriste na operativnim sistemima:

    • Mac OS

    • MS Windows

    • UNIX

    Correct Answer
    A. MS Windows
    Explanation
    SMB (Server Message Block) and CIFS (Common Internet File System) protocols are most commonly used on MS Windows operating systems. These protocols allow for file sharing and remote access to files and printers on a network. Mac OS and UNIX operating systems have their own file sharing protocols and mechanisms, such as AFP (Apple Filing Protocol) for Mac OS and NFS (Network File System) for UNIX. However, SMB and CIFS are primarily associated with MS Windows, making it the correct answer.

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  • 26. 

    Osnovna jedinica podataka protokola na mreznom sloju je:

    • Okvir

    • Paket

    • Segment

    Correct Answer
    A. Paket
    Explanation
    The correct answer is "paket" because at the network layer, data is divided into packets before being transmitted over the network. These packets contain the necessary information such as source and destination addresses, as well as the actual data being transmitted. The packet is then encapsulated into a frame at the data link layer for transmission over the physical network. Therefore, the packet is the basic unit of data at the network layer.

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  • 27. 

    Jedan od danas najpopularnijih prisputa kod distribuirane obrade podataka je:

    • Mejn—frejm

    • Klijent—server

    • Sloj aplikacije

    • Referentni model

    Correct Answer
    A. Klijent—server
    Explanation
    The correct answer is "klijent—server". This is because the client-server model is widely used in distributed data processing. In this model, the client sends requests to the server, which processes those requests and sends back the results to the client. This model allows for efficient and scalable data processing by distributing the workload between the client and server.

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  • 28. 

    Ukoliko zelimo da odredjenu racunarsku mrezu podelimo na dve manje mreze, to ce se na mreznu masku rezultovati u vidu:

    • Izmene jednog bita sa vrednosti 1 na vrednost 0

    • Invertovanja svih bitova u delu koji odredjuje clana

    • Invertovanja svih bitova u delu koji odredjuje mrezu

    • Izmene jednog bita sa vrednosti 0 na vrednost 1

    Correct Answer
    A. Izmene jednog bita sa vrednosti 0 na vrednost 1
    Explanation
    When dividing a computer network into two smaller networks, the network mask will result in changing one bit from a value of 0 to a value of 1. This is because the network mask is used to determine the network portion and the host portion of an IP address. By changing one bit from 0 to 1, the network portion will be divided into two separate networks.

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  • 29. 

    U genericke domene najviseg nivoa spadaju (check box):

    • Rs

    • Net

    • Srb

    • Org

    • Com

    • Me

    Correct Answer(s)
    A. Net
    A. Org
    A. Com
    Explanation
    The correct answer is net, org, com. These three domain extensions, net, org, and com, are considered generic top-level domains (gTLDs). They are commonly used for various purposes and are not specific to any particular country or region. The other options, rs, srb, and me, are country code top-level domains (ccTLDs) that are specific to Serbia, Serbia and Montenegro, and Montenegro respectively.

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  • 30. 

    Vreme potrebno za uskladjivanje informacija izmedju svih rutera u mrezi naziva se:

    • Time To Live

    • Vektor udaljenosti

    • Vreme konvergencije

    Correct Answer
    A. Vreme konvergencije
    Explanation
    Vreme potrebno za usklađivanje informacija između svih rutera u mreži naziva se vreme konvergencije. Ovo je vreme koje je potrebno da se svi ruteri u mreži usklade sa ažuriranim informacijama o mreži, kao što su promene u topologiji ili rutiranju. Vreme konvergencije je važno jer utiče na stabilnost i performanse mreže, jer što je kraće vreme konvergencije, to će mreža brže reagovati na promene i preusmeriti saobraćaj na optimalan put.

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  • 31. 

    Paketi Internet protokola se nazivaju:

    • Segmenti

    • Datagrami

    • Okviri

    Correct Answer
    A. Datagrami
    Explanation
    Paketi Internet protokola se nazivaju "datagrami". Datagrami su jedinice podataka koje se prenose preko Interneta putem IP protokola. Svaki datagram sadrži informacije o izvoru i odredištu podataka, kao i sam sadržaj podataka koji se prenosi. Datagrami se koriste za prenos podataka između različitih računara i mreža na Internetu.

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  • 32. 

    Sistem domenskih imena (engl. Domain Name System, DNS) realizovan je u arhitekturi:

    • Klijent-server

    • Ravnopravnih clanova

    • Mejn—frejm

    • Option 4

    Correct Answer
    A. Klijent-server
    Explanation
    The correct answer is klijent-server. The Domain Name System (DNS) is implemented using a client-server architecture. In this architecture, the client sends a request to the DNS server to resolve a domain name into an IP address. The server then responds with the corresponding IP address. This client-server interaction allows for efficient and reliable domain name resolution on the internet.

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  • 33. 

    Podrazumevani protokol za koriscenje Veb servisa je:

    • HTTP

    • FTP

    • SMTP

    • WWW

    Correct Answer
    A. HTTP
    Explanation
    The correct answer is HTTP. HTTP (Hypertext Transfer Protocol) is the default protocol used for communication between web services. It allows for the transfer of hypertext, such as HTML pages, over the internet. FTP (File Transfer Protocol) is used for transferring files, SMTP (Simple Mail Transfer Protocol) is used for sending emails, and WWW (World Wide Web) is not a protocol but refers to the collection of web pages accessible through the internet.

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  • 34. 

    Termin Message User Agent, MUA oznacava deo servisa elektronske poste vezan za:

    • Protokol

    • Server

    • Klijenta

    Correct Answer
    A. Klijenta
    Explanation
    The term "Message User Agent, MUA" refers to the part of an email service that is associated with the client. This means that it is responsible for handling the email client's tasks, such as composing, sending, receiving, and organizing emails. The MUA interacts directly with the user, allowing them to access and manage their email account.

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  • 35. 
    Na slici je prikazan proces koji nosi naziv: - ProProfs

    Na slici je prikazan proces koji nosi naziv:

    • Fine acknowledgment

    • Raskid veze kod TCP protokola

    • Triple play

    Correct Answer
    A. Raskid veze kod TCP protokola
    Explanation
    The correct answer is "Raskid veze kod TCP protokola" because the image represents the process of terminating a connection in the TCP protocol. TCP (Transmission Control Protocol) is a widely used protocol for transmitting data over the internet, and when a connection needs to be ended, a termination process is initiated. This process involves sending a series of packets between the communicating devices to ensure that all data has been transmitted and received before the connection is closed. Therefore, "Raskid veze kod TCP protokola" accurately describes the depicted process.

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  • 36. 

    Zastita podataka koji se prenose koriscenjem HTTP protokola podrazumevano se ostvaruje:

    • Potrebno je zameniti HTTP protokol

    • Koriscenjem IPsec protokola

    • Koriscenjem SSL/TLS protokola

    Correct Answer
    A. Koriscenjem SSL/TLS protokola
    Explanation
    The correct answer is "koriscenjem SSL/TLS protokola." The protection of data transmitted using the HTTP protocol is achieved by using the SSL/TLS protocol. SSL (Secure Sockets Layer) and its successor TLS (Transport Layer Security) are cryptographic protocols that provide secure communication over a network. They encrypt the data being transmitted, ensuring its confidentiality and integrity. This encryption prevents unauthorized access and protects the data from being intercepted or tampered with during transmission. Therefore, using the SSL/TLS protocol is the default method for securing data transmitted via HTTP.

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  • 37. 

    Na primeru adrese elektronske poste: primalac @ domen.srb lokalni deo adrese cini:

    • Znak @

    • Srbnaj

    • Primalac

    • Domen

    Correct Answer
    A. Primalac
    Explanation
    The correct answer is "primalac." In the given example of an email address, the local part of the address is everything before the "@" symbol. In this case, "primalac" is the local part of the email address.

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  • 38. 

    Protokol koji omogucava realizaciju servisno orijentisane arhitekture na HTTP protokolu je:

    • PHP

    • SOAP

    • ASP

    • JSP

    Correct Answer
    A. SOAP
    Explanation
    SOAP (Simple Object Access Protocol) is a protocol that allows for the implementation of service-oriented architecture (SOA) on the HTTP protocol. SOAP is a messaging protocol that allows programs running on different operating systems to communicate with each other over the internet. It uses XML for message format and can be used with various transport protocols, including HTTP. SOAP provides a standardized way for applications to exchange structured information and invoke web services. Therefore, SOAP is the correct answer for the given question.

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  • 39. 

    Varijanta upotrebe protokola za prenos fajlova  -- FTP --  koja za zastitu podataka koristi SSL/TLS protokol oznacava se skracenicom:

    • FTPS

    • FTP/TLS

    • SFTP

    Correct Answer
    A. FTPS
    Explanation
    The correct answer is FTPS. FTPS is a variation of the FTP protocol that uses SSL/TLS for data protection. SSL/TLS provides encryption and authentication, ensuring that data transmitted between the client and server is secure. FTP/TLS is not a valid abbreviation for this variation, and SFTP is a different protocol that uses SSH for secure file transfer. Therefore, the correct abbreviation for this variation of the FTP protocol is FTPS.

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  • 40. 
    U situaciji prikazanoj na slici, koja koristi RIP protokol, ruter R1 ce pakete adresovane na clanove mreze M1 prosledjivati: - ProProfs

    U situaciji prikazanoj na slici, koja koristi RIP protokol, ruter R1 ce pakete adresovane na clanove mreze M1 prosledjivati:

    • Ruteru R3

    • Ruterima R2 i R3, naizmenicno

    • Ruteru R2

    • Ruteru R2 ili R3, zavisno od opterecenja kanala

    Correct Answer
    A. Ruteru R3
    Explanation
    In the given situation, where RIP protocol is being used, router R1 will forward packets addressed to the members of network M1 to router R3.

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  • 41. 

    Pri koriscenju POP3 protokola za pristup elektronskom postanskom sanducetu zadavanjem naredbe DELE izvrsice se:

    • Delegiranje nadleznosti nad porukom

    • Uklanjanje kompletnog sanduceta

    • Istovremeno uklanjanje poruke iz sanduceta

    • Oznacavanje poruke za brisanje na kraju sesije

    Correct Answer
    A. Oznacavanje poruke za brisanje na kraju sesije
    Explanation
    When using the POP3 protocol to access an email mailbox, executing the DELE command will mark the message for deletion at the end of the session. This means that the message will not be immediately removed from the mailbox, but rather flagged for deletion. It will only be deleted when the session ends, allowing the user to review and potentially undo the deletion before it is permanently removed.

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  • 42. 

    U privilegovane portove spada opseg:

    • 65.536 — 127.000

    • 0 — 1.023

    • 1.024 — 49.151

    • 49.152 – 65.535

    Correct Answer
    A. 0 — 1.023
    Explanation
    The correct answer is 0 — 1.023. This range is considered privileged ports, which are reserved for specific network services and protocols. Privileged ports are typically used by system processes and require special privileges to access. The range of 0 to 1.023 falls within the range of privileged ports, making it the correct answer.

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  • 43. 

    U slucaju da ruter u tabeli rutiranja nema zapis o mrezi kojoj pripada odredisna adresa primljenog paketa, kao ni zapis o podrazumevanoj ruti, ruter ce paket:

    • Premestiti u bafer za cekanje

    • Odbaciti

    • Vratiti posiljaocu

    Correct Answer
    A. Odbaciti
    Explanation
    If the router does not have any entry in its routing table for the network to which the destination address of the received packet belongs, nor does it have a default route entry, the router will discard the packet.

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  • 44. 

    Za koriscenje medjunarodnih simbola u porukama elektronske poste, kao i za dodavanje fajlova porukama, potrebno je koristiti:

    • MIME

    • Veb—mejl

    • IMAP

    Correct Answer(s)
    A. MIME
    A. IMAP
    Explanation
    To use international symbols in email messages and to attach files to messages, it is necessary to use MIME and IMAP. MIME stands for Multipurpose Internet Mail Extensions and is a standard that allows email clients to exchange different types of data such as text, images, audio, and video. IMAP stands for Internet Message Access Protocol and is a protocol used for retrieving email messages from a mail server. Both MIME and IMAP are essential for enabling the use of international symbols and file attachments in email communication.

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  • 45. 

    U slucaju da klijent sa Veb serverom komunicira na portu 443, podrazumeva se koriscenje:

    • SSL/TLS protokola

    • HTTP protokola

    • Savremenih Veb brauzera (443 je za HTTPS protokol a 80 je za HTTP)

    Correct Answer
    A. Savremenih Veb brauzera (443 je za HTTPS protokol a 80 je za HTTP)
    Explanation
    When a client communicates with a web server on port 443, it implies the use of modern web browsers. Port 443 is specifically designated for the HTTPS protocol, which provides secure communication over the internet. On the other hand, port 80 is used for the HTTP protocol, which is the standard protocol for web browsing. Therefore, if a client is accessing a web server on port 443, it indicates that they are using a modern web browser capable of handling secure connections.

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  • 46. 
    U situaciji prikazanoj na slici, koja koristi RIP protokol, ruter R1 ce pakete adresovane na clanove mreze M2 prosledjivati: - ProProfs

    U situaciji prikazanoj na slici, koja koristi RIP protokol, ruter R1 ce pakete adresovane na clanove mreze M2 prosledjivati:

    • Ruteru R2 ili R3, zavisno od opterecenja kanala

    • Ruterima R2 i R3, naizmenicno

    • Ruteru R2

    • Ruteru R3

    Correct Answer
    A. Ruterima R2 i R3, naizmenicno
    Explanation
    In the given situation, the router R1 will forward packets addressed to members of network M2 to routers R2 and R3 alternately. This means that the packets will be sent to R2, then to R3, and then back to R2 in a cyclic manner. This is because the RIP protocol uses equal-cost load balancing, where it distributes the traffic evenly across multiple paths.

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  • 47. 

    Jedinica za adresovanje na nivou transportnog sloja je:

    • Fizicka (MAC) adresa

    • Interfejs

    • Port

    • Logicka (IP) adresa

    Correct Answer
    A. Port
    Explanation
    The correct answer is "port." In networking, a port is a logical construct that identifies a specific process or service on a networked device. It is used to direct network traffic to the appropriate application or service running on a device. Ports are commonly associated with the transport layer of the TCP/IP protocol suite and are represented by numbers. Each network communication requires a source and destination port number to establish a connection. Therefore, a transport layer address is represented by a port number, making it the correct answer in this context.

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  • 48. 

    Korisnik je koriscenjem Telnet protokola zadao sledecu naredbu: bash-4.1# rm –rf / Naredba je serveru prosledjena na sledeci nacin:

    • U delovima, nakon unosa svakog novog karaktera

    • Odjednom, nakon pritiska na taster Enter

    • Na kraju sesije, zajedno sa svim ostalim naredbama

    Correct Answer
    A. Odjednom, nakon pritiska na taster Enter
    Explanation
    The user entered the command in parts, after each new character, and finally pressed the Enter key to execute the command.

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  • 49. 

    Osnovna uloga telnet servisa jeste da omoguci:

    • Prenos velikih fajlova

    • Sinhronizaciju vremena na racunarima

    • Rad na udaljenim racunarima

    Correct Answer
    A. Rad na udaljenim racunarima
    Explanation
    The correct answer is "rad na udaljenim računarima" which translates to "working on remote computers" in English. This means that the main purpose of the Telnet service is to allow users to access and work on computers that are located remotely. Telnet is a network protocol used to establish a remote connection and access a command-line interface of a remote computer. It enables users to execute commands, manage files, and perform various tasks on remote systems.

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Quiz Review Timeline (Updated): Mar 21, 2023 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • May 09, 2018
    Quiz Created by
    Salesale
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