Specify a different key for every remote peer connection

Question

1.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.

2.The default lifetime of an ISAKMP security association (SA) is _____

• 12 hours
• 24 hours
• 48 hours
• 72 hours

3. The Cisco IOS firewall crypto isakmp policy mode command that will set the data integrity algorithm to MD5 is _____.

• integrity md5
• set hash md5
• hash md5
• set integrity md5

4. _____ encryption algorithms use the same key to encrypt and decrypt data between the sender and recipient.

• Symmetric
• Asymmetric
• Balanced
• Single token

5. The _____ encryption algorithm uses a key size of 128, 192, and 256 bits.

• DES
• 3DES
• AES
• WEP

6. Which of the following algorithms is used to securely exchange IKE policy information?

• Diffie-Hellman
• RSA signatures
• Preshared keys
• MD5