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单选题Which statement describes the function of the LNS in a L2TP environment?（）A It initiates both the PPP session and the tunnel.B It initiates the PPP session and terminates the tunnel.C It terminates the PPP session and initiates the tunnel.D It terminat

题目
单选题
Which statement describes the function of the LNS in a L2TP environment?（）
A

It initiates both the PPP session and the tunnel.

B

It initiates the PPP session and terminates the tunnel.

C

It terminates the PPP session and initiates the tunnel.

D

It terminates the PPP session and terminates the tunnel.

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相似问题和答案

第1题：

What are the two stages of PPP over Ethernet?()

A.PPP Session stage

B.PPPoE Search Stage

C.PPPoE Discovery Stage

D.PPP Confirmation stage


参考答案：A, C

第2题：

Which configuration component is required to allow a PPP over ATM client to connect to one virtual router for a particular session and to a different virtual router for another session?()

A. profile

B. domain map

C. IP access-route

D. static IP addressing


参考答案：A

第3题：

What is the functionality of L2TP in a BRAS environment?()

A.It tunnels DHCP requests to the LNS.

B.It provides access for analog modem users.

C.It provides RFC 2547 VPN services to the user.

D.It tunnels a PPP session across an IP backbone.


参考答案：D

第4题：

The PPP over Ethernet Discovery Stage determines which two parameters? （）(Choose two.)

  • A、session ID
  • B、authentication server
  • C、IP address of the client
  • D、MAC address of the ERX router

正确答案:A,D

第5题：

In a DSL network,which device terminates the PPP over Ethernet subscriber’s two－wire phone line?()

A.RAS

B.DSLAM

C.ATMswitch

D.RADIUSserver


参考答案：B

第6题：

When multiple PPP over Ethernet subscribers connect using the same DSL modem, which two attributes does the ERX use to differentiate between subscribers? ()(Choose two.)

A. PPP session ID

B. subscriber name

C. source MAC address

D. destination MAC address


参考答案：A, C

第7题：

By default, which PPP mechanism does the ERX Edge Router use to monitor the session for a PPP over ATM client?()

A. ping

B. hello

C. get request

D. echo request


参考答案：D

第8题：

Which statement describes the function of the LNS in a L2TP environment?()

A.It initiates both the PPP session and the tunnel.

B.It initiates the PPP session and terminates the tunnel.

C.It terminates the PPP session and initiates the tunnel.

D.It terminates the PPP session and terminates the tunnel.


参考答案：D

第9题：

The ERX Edge Router responds toa received PPP over Ethernet Active Discovery Initiation(PADI) with which message type?()

A.PPPoE Active Discovery Offer

B.PPPoE Active Discovery Initiation

C.PPPoE Active Session Confirmation

D.PPPoE Active Session Acknowledgment


参考答案：A

第10题：

The ERX Edge Router responds to a received PPP over Ethernet Active Discovery Initiation （PADI） with which message type？（）

  • A、PPPoE Active Discovery Offer
  • B、PPPoE Active Discovery Initiation
  • C、PPPoE Active Session Confirmation
  • D、PPPoE Active Session Acknowledgment

正确答案:A

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