You are a technician at Certkiller .com. You are asked to document the IP address of all
computers on the network together with their hostname. You are provided with a list of hostnames.
Which of the following command line utilities can be used to find the IP address of a computer on
a LAN when the hostname is known?

A.
IPCONFIG /check hostname

B.
PING hostname

C.
REFRESH hostname

D.
MMC hostname

Explanation:
pingis a computer network tool used to test whether a particular host is reachable across an IP
network. It works by sending ICMP “echo request” packets to the target host and listening for
ICMP “echo response” replies. The replies will also tell the IP address of the host answering the
roundtrip packet.