You have successfully compromised a machine on the network and found a server that is alive on the same
network. You tried to ping it but you didn’t get any response back.
What is happening?

A.
ICMP could be disabled on the target server.

B.
The ARP is disabled on the target server.

C.
TCP/IP doesn’t support ICMP.

D.
You need to run the ping command with root privileges.

Explanation:
The ping utility is implemented using the ICMP “Echo request” and “Echo reply” messages.
Note: The Internet Control Message Protocol (ICMP) is one of the main protocols of the internet protocol suite.
It is used by network devices, like routers, to send error messages indicating, for example, that a requested
service is not available or that a host or router could not be reached.
https://en.wikipedia.org/wiki/Internet_Control_Message_Protocol