. Bob is having trouble pinging addresses by their FQDN, but he can seem to ping them by their IP address. What should you do to help Bob?
A. Verify Bob's WINS setting in TCP/IP.
B. Verify Bob's DNS setting in TCP/IP.
C. Make sure that the system Bob is trying to connect to is in the LMHOSTS file.
D. Make sure that the system Bob is trying to connect to is on the network.