When the source host pings the destination device, if the network is working properly, the destination device will respond to the source host with an ICMP______ message after receiving the message.

When the source host pings the destination device, if the network is working properly, the destination device will respond to the source host with an ICMP______ message after receiving the message.
A . Echo Request
B . Echo Reply
C . TTL-Exceeded
D . Port-Unreachable

View Answer

Answer:   B

Explanation:

Echo Request ――――――――――――――――――――――――――――> Echo Reply (Normal) <―――――――――――――― ―――――――――――――――

TTL-Exceeded / Port-Unreachable (timeout / destination address unreachable)