no isakmp enable
What is the use of the above command on a PIX Firewall?

A.
This command disables ISAKMP which is enabled by default.

B.
The correct format to disable ISAKMP on a PIX Firewall is “crypto isakmp disable”.

C.
This is an invalid command.

D.
This command disables ISAKMP. ISAKMP is ensabled by default.