Lucy is a systems administrator who wants to block all NNTP traffic between her network and the
Internet. How should she configure her firewall?

A.
Configure the firewall to block all incoming and outgoing packets except for those with the
source and destination port of 119. Then, allow all traffic with destination ports above 1024 to
traverse the firewall.

B.
Configure the firewall to block incoming packets with the destination port of 119, and to block
outgoing packets with the destination port of 119.

C.
Configure the firewall to block all incoming packets with the source port of 119, and outgoing
packets with a source port lower than 1024. Then, block all packets with the destination port of
119 and with a source port lower than 1024.

D.
Configure the firewall to block all incoming packets with the source port of 119.