A network administrator is configuring AES encryption for the ISAKMP policy on an IOS router. Which two configurations are valid?

A.	router(config)#crypto isakmp policy 10 router(config-isakmp)#encryption aes 254
B.	router(config)#crypto isakmp policy 10 router(config-isakmp)#encryption aes 192
C.	router(config)#crypto isakmp policy 10 router(config-isakmp)#encryption aes 256
D.	router(config)#crypto isakmp policy 10 router(config-isakmp)#encryption aes 196
E.	router(config)#crypto isakmp policy 10 router(config-isakmp)#encryption aes 199
F.	router(config)#crypto isakmp policy 10 router(config-isakmp)#encryption aes 64