ICMP is a _______ layer protocol.
2017
ICMP is a _______ layer protocol.
Answer: C. network — ICMP works at the network layer and is used for control and error-reporting messages.
- A.
data link
- B.
transport
- C.
network
- D.
application
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Correct answer: C
ICMP works at the network layer and is used for control and error-reporting messages.
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