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Question: In the TCP/IP protocol suite, which of the following is a network layer protocol?

Answer:

MCQ: In the TCP/IP protocol suite, which of the following is a network layer protocol?

Correct Answer: A. The Stream Control Transmission Protocol (SCTP)

Explanation:

  • In the TCP/IP protocol suite, the Internet Protocol (IP) is the primary network layer (Layer 3) protocol. IP provides the addressing and routing mechanisms that enable data to be sent between devices across a network.
  • IP is responsible for the fragmentation and reassembly of data into packets, the addressing of packets using IP addresses, and the routing of packets through the network based on their destination IP address.
  • Other network layer protocols that are used in the TCP/IP protocol suite include Internet Control Message Protocol (ICMP) for error reporting and network diagnostics, and Internet Group Management Protocol (IGMP) for multicast group management.
  • Therefore, the correct answer is Internet Protocol (IP).

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