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多选题Which two statements about using the CHAP authentication mechanism in a PPP link are true?（）ACHAP uses a two-way handshakeBCHAP authentication periodically occurs after link establishmentCCHAP has no protection from playback attacksDCHAP authentication

题目
多选题
Which two statements about using the CHAP authentication mechanism in a PPP link are true?（）
A

CHAP uses a two-way handshake

B

CHAP authentication periodically occurs after link establishment

C

CHAP has no protection from playback attacks

D

CHAP authentication is performed only upon link establishment

E

CHAP uses a three-way handshake

F

CHAP authentication passwords are sent in plaintext

参考答案和解析
正确答案： E,D
解析： 暂无解析
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相似问题和答案

第1题：

All WAN links is side the TestKing.com network use PPP with for authentication security. Which command will display the CHAP authentication process as it occurs between two routers in the network?()

A. show CHAP authentication

B. show interface serial 0

C. debug PPP authentication

D. debug CHAP authentication

E. show PPP authentication CHAP


参考答案：C

第2题：

which command is used to enable CHAP authentication whit PAP as the fallback method on a serial interface?()

A.(config-if)#authentication ppp chap fallback ppp

B.(config-if)#authentication ppp chap pap

C.(config-if)#ppp authentication chap pap

D.(config-if)#ppp authentication chap fallback ppp


参考答案：C

第3题：

Which profile configurations allows either PAP or CHAP to be used for authentication?()

A.ppp authentication chap pap

B.pppoe authentication chap pap

C.ppp authentication chap ppp authentication pap

D.pppoe authentication chap pppoe authentication pap


参考答案：A

第4题：

Which two statements about the open and shared key wireless-authentication methods are true？ （）

  • A、 Shared key authentication is considered more secure than open authentication.
  • B、 Shared key authentication is considered less secure than open authentication.
  • C、 If the WEP keys do not match using the open authentication method， the client will not authenticate， associate， and transfer data.
  • D、 If the WEP keys do not match using the open authentication method， the client will still be able to authenticate and associate， but will not transfer data.
  • E、 If the WEP keys do not match using the open authentication method， the client will still be able to authenticate， associate， and transfer data.

正确答案:B,D

第5题：

All WAN links inside the ABC University network use PPP with CHAP for authentication security. Which command will display the CHAP authentication process as it occur between two routers in the network?（）

A.show chap authentication

B.show interface serial0

C.debug ppp authentication

D.debug chap authentication

E.show ppp authentication chap


参考答案：C

第6题：

Which command displays the CHAP authentication process as it occurs between two routers?()

A. debug authentication

B. debug chap ppp

C. debug chap authentication

D. debug ppp authentication


参考答案：D

第7题：

Which two statements about using the CHAP authentication mechanism in a PPP link are true?()

A.CHAP uses a two-way handshake

B.CHAP authentication periodically occurs after link establishment

C.CHAP has no protection from playback attacks

D.CHAP authentication is performed only upon link establishment

E.CHAP uses a three-way handshake

F.CHAP authentication passwords are sent in plaintext


参考答案：B, E

第8题：

Which two statements are true regarding L2TP? ()(Choose two.)

A. Tunnels are initiated by the LAC

B. Tunnels are initiated by the LNS

C. By default, subscriber authentication occurs on the LNS

D. By default, subscriber authentication occurs on the LAC


参考答案：A, C

第9题：

which command is used to enable CHAP authentication whit PAP as the fallback method on a serial interface?（）

  • A、(config-if)#authentication ppp chap fallback ppp
  • B、(config-if)#authentication ppp chap pap
  • C、(config-if)#ppp authentication chap pap
  • D、(config-if)#ppp authentication chap fallback ppp

正确答案:C

第10题：

Which three statements about NetFlow are true？ （）

  • A、LCP is used for PPP over ATM （PPPoA） setup.
  • B、LCP is used for PPP over Ethernet （PPPoE） setup.
  • C、LCP is used for PPP over Ethernet （PPPoPR） setup.
  • D、LCP is used for PPP CHAP authentication.
  • E、LCP is used for basic PPP link setup and operation.

正确答案:A,B,E

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