1.

Which statements are true regarding ICMP packets?

  1. They acknowledge receipt of a TCP segment.
  2. They guarantee datagram delivery.
  3. They can provide hosts with information about network problems.
  4. They are encapsulated within IP datagrams.

A. 1 only
B. 2 and 3
C. 3 and 4
D. 2, 3 and 4
Answer» D. 2, 3 and 4


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