Refer to the exhibit.
router-01(config)#crypto isakmp keepalive 60 5 router-01(config)#crypto isakmp policy 10 router-01(config-isakmp)#encryption 3des router-01(config-isakmp)#hash md5 router-01(config-isakmp)#authentication rsa-encr router-01(config-isakmp)#group 2 router-01(config-isakmp)#lifetime 28800
Which statement about the given IKE policy is true?

A.	The tunnel will be valid for 2 days, 88 minutes, and 00 seconds.
B.	It will use encrypted nonces for authentication.
C.	It has a keepalive of 60 minutes, checking every 5 minutes.
D.	It uses a 56-bit encryption algorithm.