OSI Layer 4 Class Questions

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| By Osilayer4
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Osilayer4
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Quizzes Created: 1 | Total Attempts: 363
| Attempts: 363
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  • 1/12 Questions

    What makes UDP faster then TCP?

    • UDP uses a different protocol than TCP does and UDP is more effecient.
    • TCP uses much more bandwidth than UDP does and so UDP runs much faster
    • UDP does not use a checksum to find errors that were sent and TCP does and that makes it slower.
    • Billy Mays uses UDP GO FASTER
    • UDP is newer and more advanced
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OSI Model Quizzes & Trivia
About This Quiz

The Open Systems Interconnections is one of the communication concepts used in computer networking. The quiz below is set to gauge your understanding on this protocol. All the best as you gauge what you know.

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  • 2. 

    Why would you use UDP over TCP?

    • If you need to send information somewhere very fast without the need to receive all the information UDP sends info faster

    • UDP checks for errors as it sends information so its more reliable

    • Ducks use UDP so its better

    • UDP makes information travel faster and gives you more bandwidth compared to TCP

    • TCP does not have error checking and UDP does so UDP is the better choice and sends information faster

    Correct Answer
    A. If you need to send information somewhere very fast without the need to receive all the information UDP sends info faster
    Explanation
    UDP is preferred over TCP when there is a need to send information quickly without the requirement of receiving all the information. UDP is faster because it does not have the additional overhead of error checking and retransmission of lost packets, which TCP has. This makes UDP a suitable choice for applications such as streaming media or real-time communication, where speed is prioritized over reliability.

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  • 3. 

    What happens to a corrupted file sent through UDP when its received?

    • Your computer does not receive any message.

    • It is deleted and you never see it.

    • UPD sends it back and makes the message get resent uncorrupted

    • The corrupted file takes time to decode and therefore takes longer than TCP

    • The file is fully deleted

    Correct Answer
    A. It is deleted and you never see it.
    Explanation
    When a corrupted file is sent through UDP and received, it is deleted and you never see it. Unlike TCP, which ensures reliable data transmission by detecting and retransmitting corrupted or lost packets, UDP does not have error detection or correction mechanisms. Therefore, if a file sent via UDP is corrupted, it will not be delivered to the recipient and will be discarded.

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  • 4. 

    If you have a media center PC and you want to stream multimedia, what protocol would your network most likely use?

    • SMTP

    • ACORNS!

    • HTTP

    • TCP

    • UDP

    Correct Answer
    A. UDP
    Explanation
    UDP (User Datagram Protocol) would be the most likely protocol used for streaming multimedia on a network. Unlike TCP, which ensures reliable and ordered delivery of data, UDP is a connectionless protocol that prioritizes speed and efficiency. Streaming multimedia often involves real-time data transmission, where a small delay in delivery is acceptable. UDP's lightweight nature and low overhead make it ideal for this purpose, as it allows for faster transmission and reduces the risk of buffering or lag.

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  • 5. 

    What common protocol mentioned in this lesson is the slowest and why?

  • 6. 

    Does UDP use checksums?

    • Yes, it does but UDP just discards corrupted files.

    • No, UDP does not check any files; it only discards corrupted ones

    • Yes; the files are requested for re-transmission because the checksum recognizes the error

    • Neither of them use checksums

    • No,

    Correct Answer
    A. Yes, it does but UDP just discards corrupted files.
    Explanation
    UDP does use checksums to ensure the integrity of data during transmission. However, unlike TCP which requests re-transmission of corrupted data, UDP simply discards the corrupted files.

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  • 7. 

    Which protocol is used more in the transportation layer?

    • HDP

    • DMT

    • TCP

    • MmmMMM BILLY MAYS!!

    • UDP

    Correct Answer
    A. TCP
    Explanation
    TCP (Transmission Control Protocol) is the correct answer because it is one of the most widely used protocols in the transportation layer of the internet protocol suite. TCP provides reliable, connection-oriented communication between devices by ensuring that data is delivered in the correct order and without errors. It is commonly used for applications that require a high level of reliability, such as web browsing, email, file transfer, and remote access. UDP (User Datagram Protocol) is another protocol in the transportation layer, but it is used more for applications that prioritize speed and efficiency over reliability, such as streaming media and online gaming.

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  • 8. 

    Does there need to be a checksum header on both protocols

    • No, the header belongs on the HDP and is always on both protocols

    • No, only on the TCP protocol

    • No, there doesnt ever need to be a checksum header

    • Yes, there is always a header with a checksum on both

    • No, because Chuck Norris said so

    Correct Answer
    A. No, only on the TCP protocol
    Explanation
    The correct answer is "No, only on the TCP protocol." This means that there is no need for a checksum header on both protocols. The header with a checksum is only required on the TCP protocol.

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  • 9. 

    What its the standard protocol for communicating across the internet?

    • UDP/DP

    • HDP/IT

    • TCP/IP

    • UDHP

    • PDH3.3

    Correct Answer
    A. TCP/IP
    Explanation
    TCP/IP is the standard protocol for communicating across the internet. TCP (Transmission Control Protocol) is responsible for establishing a connection between devices and ensuring reliable data transmission, while IP (Internet Protocol) handles the addressing and routing of data packets. Together, TCP/IP provides a robust and efficient method for sending and receiving data over the internet. UDP/DP, HDP/IT, UDHP, and PDH3.3 are not valid protocols for internet communication.

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  • 10. 

    ---------------If you are sending many packets to many different destinations which protocol is more speed efficient?

    • The DNS server

    • UDHP

    • UDP

    • TCP/IP

    • HTTP

    Correct Answer
    A. UDP
    Explanation
    UDP (User Datagram Protocol) is more speed efficient when sending many packets to many different destinations. Unlike TCP (Transmission Control Protocol), UDP does not establish a connection before transmitting data and does not provide error checking or retransmission of lost packets. This lack of overhead allows UDP to transmit data faster, making it more suitable for applications such as real-time streaming, online gaming, and VoIP, where speed and low latency are crucial. However, it is important to note that UDP sacrifices reliability for speed, as there is no guarantee that all packets will reach their destination.

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  • 11. 

    UDP stands for ____ ________ _______

    Correct Answer
    User Datagram Protocol
    user datagram protocol
    Explanation
    UDP stands for User Datagram Protocol. It is a communication protocol that operates at the transport layer of the Internet Protocol Suite. UDP is a connectionless protocol that does not guarantee delivery or order of packets. It is commonly used for applications that require low latency and can tolerate some packet loss, such as real-time streaming and online gaming. The lowercase "user datagram protocol" is also a valid way to refer to UDP.

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  • 12. 

    What does UDP depend on to move packets around the network on its behalf?

    • TCP

    • IP

    • Packet Tracer!

    • The network connection

    • Emails

    Correct Answer
    A. IP
    Explanation
    UDP (User Datagram Protocol) depends on IP (Internet Protocol) to move packets around the network on its behalf. IP is responsible for addressing and routing packets across different networks, ensuring that they reach their intended destination. UDP uses IP to encapsulate its data into packets and relies on IP to deliver these packets to the correct destination based on the IP addresses of the source and destination devices. IP provides the necessary network layer services for UDP communication.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jan 13, 2010
    Quiz Created by
    Osilayer4

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