Which protocol in the TCP/IP suite provides reliable, connection-oriented, full-duplex byte stream transmission with error detection and flow control?
Answer and explanation
Correct answer: B. Transmission Control Protocol (TCP)
- Step 1: Transmission Control Protocol (TCP) establishes a virtual connection using a three-way handshake (SYN, SYN-ACK, ACK).
- Step 2: It guarantees in-order, error-free packet delivery through sequence numbers, acknowledgments, and retransmissions.
Answer
Transmission Control Protocol (TCP).
Why not the others: 'UDP' is a connectionless, unreliable datagram protocol without flow control; 'ICMP' handles diagnostic error reporting (e.g., ping); 'ARP' maps IP addresses to MAC addresses.
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