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Questions and Answers
What is the purpose of TCP?
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?
What is the name of the protocol that is used for applications that do not require reliable data stream service?
- TCP
- UDP (correct)
- IP
- FTP
What is one vulnerability of TCP?
What is one vulnerability of TCP?
- Denial of service
- Connection hijacking
- TCP veto
- Reset attack (correct)
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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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