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TCP and UDP Protocol Quiz

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Questions and Answers

What is the purpose of TCP?

To provide a reliable, ordered, and error-checked delivery of a stream of octets between applications (correct)

To provide a connectionless datagram service that prioritizes time over reliability

To employ network congestion avoidance

To provide a secure connection between hosts

What is the name of the protocol that is used for applications that do not require reliable data stream service?

TCP

UDP (correct)

FTP

What is one vulnerability of TCP?

Denial of service

Connection hijacking

TCP veto

Reset attack (correct)

Study Notes

TCP is a protocol in the TCP/IP suite that provides reliable, ordered, and error-checked delivery of a stream of octets (bytes) between applications running on hosts communicating via an IP network.
Three-way handshake (active open), retransmission, and error detection adds to reliability but lengthens latency.
Applications that do not require reliable data stream service may use the User Datagram Protocol (UDP) instead, which provides a connectionless datagram service that prioritizes time over reliability.
TCP employs network congestion avoidance. However, there are vulnerabilities in TCP, including denial of service, connection hijacking, TCP veto, and reset attack.

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Description

Test your knowledge about the Transmission Control Protocol (TCP) and User Datagram Protocol (UDP). This quiz covers topics such as three-way handshake, reliability, error checking, network congestion avoidance, and vulnerabilities in TCP.