ICMP packets - Features,Properties - Networking

Q.  Which of the following statements is / are true for ICMP packets?
- Published on 27 Aug 15

a. It can provide hosts with information about network problems.
b. It is encapsulated within IP datagrams.
c. It is encapsulated within UDP datagrams.
d. Both A and B

ANSWER: Both A and B

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    Discussion

  • Prajakta Pandit   -Posted on 20 Oct 15

    ICMP :

    - ICMP (Internet Control Messaging Protocol) is an addition to Internet Protocol to carry error, routing and control messages and data.

    - It is also considered as a protocol of the network layer.

    - It differs from transport protocols such as TCP and UDP. It is not used to exchange data between systems.

    - It can provide hosts with information about network problems and encapsulated within IP datagrams.

    - ICMP has error reporting mechanism.

    - It provides a mechanism for host and management queries.

    - The ICMP can diagnose some of the network problems and such a diagnosis is accomplished through the query messages.

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