A machine receives an IPv4 datagram. The protocol field of the IPv4 header has…

GATE · 2025 · CS · Set 2 · Computer Science & IT

A machine receives an IPv4 datagram. The protocol field of the IPv4 header has the protocol number of a protocol X. Which ONE of the following is NOT a possible candidate for X?

  1. A.

    Internet Control Message Protocol (ICMP)

  2. B.

    Internet Group Management Protocol (IGMP)

  3. C.

    Open Shortest Path First (OSPF)

  4. D.

    Routing Information Protocol (RIP)

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