What ICMP message types are used by the ping command?
A.
Timestamp request (13) and timestamp reply (14)
B.
Echo request (8) and Echo reply (0)
C.
Echo request (0) and Echo reply (1)
D.
Ping request (1) and Ping reply (2)
Explanation:
ICMP Type 0 = Echo Reply, ICMP Type 8 = Echo
B
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