单项选择题
Before a Diffie-Hellman exchange may begin， the two parties involved must agree on what？（）
A.Two secret keys
B.Two nonsecret keys
C.Two secret numbers
D.Two nonsecret numbers
相关考题
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单项选择题
Based on the username global configuration mode command displayed in the exhibit. What does the optionsecret 5 indicate about the enable secret password？（）
A.It is hashed using MD5
B.It is encrypted using a proprietary Cisco encryption algorithm
C.It is hashed using SHA
D.It is encrypted using DH group 5 -
单项选择题
Whichkindoftablewillbeusedbymostfirewallstodaytokeeptrackoftheconnectionsthroughthefirewall？（）
A.reflexive ACL
B.dynamic ACL
C.queuing
D.netflow
E.state -
单项选择题
TheenablesecretpasswordappearsasanMD5hashinarouter’sconfigurationfile，whereastheenablepasswordisnothashed（orencrypted，ifthepassword-encryptionserviceisnotenabled）.WhatisthereasonthatCiscostillsupporttheuseofbothenablesecretandenablepasswordsinarouter’sconfiguration？（）
A.The enable password is present for backward compatibility.
B.Because the enable secret password is a hash， it cannot be decrypted. Therefore， the enable password is used to match the password that was entered， and the enable secret is used to verify that the enablepassword has not been modified since the hash was generated.
C.The enable password is considered to be a router’s public key， whereas the enable secret password is considered to be a router’s private key.
D.The enable password is used for IKE Phase I， whereas the enable secret password is used for IKE Phase II.
