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PPPoE Questions

November 25th, 2017 Go to comments

If you are not sure about PPPoE, please read our PPPoE tutorial (on digitaltut.com).

Question 1

Explanation

The picture below shows all configuration needed for PPPoE:

PPPoE_Topology_with_config.jpg

There is no Dialer interface on the PPPoE Server so answer “Dialer interface” is not correct. The most suitable answer is “Virtual Template” interface as it contains the pool which is used to assign IP address to the PPPoE Client. But this question is weird because according to the CCNAv3 syllabus, candidates only need to grasp the PPPoE on client-side, not sure why this question asked about PPPoE on Server side. For more information about PPPoE, please read our PPPoE tutorial.

Question 2

Explanation

PPPoE provides a standard method of employing the authentication methods of the Point-to-Point Protocol (PPP) over an Ethernet network. When used by ISPs, PPPoE allows authenticated assignment of IP addresses. In this type of implementation, the PPPoE client and server are interconnected by Layer 2 bridging protocols running over a DSL or other broadband connection.

PPPoE is composed of two main phases:
+ Active Discovery Phase: In this phase, the PPPoE client locates a PPPoE server, called an access concentrator. During this phase, a Session ID is assigned and the PPPoE layer is established.
+ PPP Session Phase: In this phase, PPP options are negotiated and authentication is performed. Once the link setup is completed, PPPoE functions as a Layer 2 encapsulation method, allowing data to be transferred over the PPP link within PPPoE headers.

Reference: http://www.cisco.com/c/en/us/td/docs/security/asa/asa92/configuration/vpn/asa-vpn-cli/vpn-pppoe.html

Question 3

Explanation

In the Dialer interface, we can use the “ip address negotiated” command to ask for an IP address from the PPPoE Server.

Comments (19) Comments
  1. silky
    February 17th, 2017

    regarding Q3. does the pppoe server act like a dhcp server? thanks

  2. lopwal
    February 22nd, 2017

    @silky. Yes it does PPPoE Server will provide IP address to the client. That is why you have to configure an IP Pool on server and the client IP is ‘negotiated’

  3. magnifico
    February 25th, 2017

    thnx @lopwal…silky

  4. Ali
    March 27th, 2017

    Which part of the PPPoE server configuration contains the information used to assign an IP address to a
    PPPoE client?
    A. virtual-template interface
    B. DHCP
    C. dialer interface
    D. AAA authentication

    Which one?

  5. banay
    March 29th, 2017

    @Ali

    the answer is choice A. virtual-template interface

  6. Anonymous
    April 19th, 2017

    Please can some one send me the latest dump for ccna 200-125 .
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  7. ennoko
    April 22nd, 2017

    Please can some one send me the latest dump for ccna 200-125 .
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    {email not allowed}

  8. Mikey M
    May 31st, 2017

    My life depends on so ccna 200-125 dumps please. really could use some help. never the one to ask but i am down on the luck. please please. failed 2 times. need to pass by july!
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  9. PPPoE
    June 22nd, 2017

    Can someone please fix the PPPoE URL?

  10. suksuk
    June 25th, 2017
  11. Anonymous
    June 30th, 2017

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    August 8th, 2017

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    August 8th, 2017

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    August 12th, 2017

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  15. ME
    September 22nd, 2017

    Has anyone done the CCNA exams lately?

  16. Meo
    January 10th, 2018

    Passed today with 933. 100% Questions from 9tut. Thanks 9tut

  17. @Meo
    February 19th, 2018

    when you took the exam? all questions on here were the same as the test?

  18. Gonzalez
    March 17th, 2018

    Passed mine March 15. Saw up to about 6 new questions. Can’t remember all in details due to pressure but I remember drag-n-drop for QOS. I also saw questions that were on CCNP Route dumb. Labs remain same. The topology question with R1 R2 and R3 and two branch routers connected to R1 and then questions about tunnels, RIPv2 etc., remember that ? in one of its questions they tweaked config o deny eigrp formation due to access-list blocking eigrp, beware of that. Otherwise I was surprised to pass with 9XX

  19. Pokemon Pikachu
    June 22nd, 2018

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