CompTIA Network+ N10-006 Q765

Joe, a user, contacts the help desk because he is unable to access the company’s web portal to access his webmail. The technician is unable to connect remotely to Joe’s computer and asks Joe to run the command ARP –a. Joe reports the output is:
No ARP entries found.
Which of the following is the MOST likely cause of the problem?

A. Joe has been assigned an incorrect IP address and should request another.
B. Joe is not connected to the network and should connect a network cable.
C. Joe has incorrect DNS settings and needs to correct them in the control panel.
D. Joe is using an unauthorized anonymous proxy and needs to disconnect it.

Correct Answer: B