A Linux Administrator Tries to Ping a Hostname in a Network

Multiple Choice

A Linux administrator tries to ping a hostname in a network but receives the message: hostname not found . The administrator is sure the name exists on the network and wants to verify if the DNS server is correctly configured on the client. Which of the following files should the administrator use to verify this information?

A) /etc/named.conf
B) /etc/resolv.conf
C) /etc/nsswitch.conf
D) /etc/network