单项选择题

For the following items ，which one can be used to authenticate the IPsec peers during IKE Phase 1？（）

A.pre-shared key
B.integrity check value
C.XAUTH
D.Diffie-Hellman Nonce

相关考题

Which description is correct based on the exhibit and p...

单项选择题

Which description is correct based on the exhibit and partial configuration？（）

A.All traffic destined for network 172.16.150.0 will be denied due to the implicit denyall.
B.All traffic from network 10.0.0.0 will be permitted.
C.Access-list 101 will prevent address spoofing from interface E0.
D.This ACL will prevent any host on the Internet from spoofing the inside network address as the sourceaddress for packets coming into the router from the Internet.

Inabrute-forceattack，whatpercentageofthekeyspacemustana...

单项选择题In a brute-force attack， what percentage of the keyspace must an attacker generally search through until heor she finds the key that decrypts the data？（）

A.Roughly 50 percent
B.Roughly 66 percent ActualTests.com
C.Roughly 75 percent
D.Roughly 10 percent

CCNA(640-553)

For the following items ，which one can be used to authenticate the IPsec peers during IKE Phase 1？（）