Which is a more secure way to use preshared keys between multiple peers

1. (TCO 6) Which is a more secure way to use preshared keys between multiple peers? (Points : 4) Specify the same key to share with multiple remote peers.Specify different keys for related groups of remote peers.Specify a different key for every remote peer connection.Use the hostname of the remote router as a preshared key value.

Question 2. 2. (TCO 6) The default lifetime of an ISAKMP security association (SA) is _____. (Points : 4)

12 hours24 hours48 hours72 hours

Question 3. 3. (TCO 6) The Cisco IOS firewall crypto isakmp policy mode command that will set the data integrity algorithm to MD5 is _____. (Points : 4)

integrity md5set hash md5hash md5set integrity md5

Question 4. 4. (TCO 6) _____ encryption algorithms use the same key to encrypt and decrypt data between the sender and recipient. (Points : 4)

SymmetricAsymmetricBalancedSingle token

Question 5. 5. (TCO 6) The _____ encryption algorithm uses a key size of 128, 192, and 256 bits. (Points : 4)

DES3DESAESWEP

Question 6. 6. (TCO 6) Which of the following algorithms is used to securely exchange IKE policy information? (Points : 4)

Diffie-HellmanRSA signaturesPreshared keysMD5