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Linux LX0-104 Exam 2 samples – Question 72

How does the ping command work by default?

A. It sends a UDP packet to port 0 of the remote host and waits to receive a UDP error response in return.
B. It sends an ARP request to a remote host and waits to receive an ARP response in return.
C. It sends a TCP SYN packet to a remote host and waits to receive an TCP ACK response in return.
D. It sends a broadcast packet to all hosts on the net and waits to receive, among others, a response from the target system.
E. It sends an ICMP Echo Request to a remote host and waits to receive an ICMP Echo Response in return.

Correct Answer: E
Section: Networking Fundamentals

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