You are the Mega Corp Security Administrator. This company uses a firewall cluster, consisting of
two cluster members. The cluster generally works well but one day you find that the cluster is
behaving strangely. You assume that there is a connectivity problem with the cluster synchronization

cluster link (cross-over cable). Which of the following commands is the best for testing the
connectivity of the crossover cable?

A.
telnet <IP address of the synchronization interface on the other cluster member>

B.
ifconfig -a

C.
ping <IP address of the synchronization interface on the other cluster member>

D.
arping <IP address of the synchronization interface on the other cluster member>