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Checking Lab Challenge 1 (OSPF)

September 5th, 2015 Go to comments

Your customer network is running OSPF. An engineer has just finished network configuration. You are now tasked to check the configuration of the routers and answer some questions about the network operation. Because of security, “show running-config” commands are disabled on R1 and R5.

Note: You are not allowed to configure anything by company policy. The network is operating correctly so just use various “show” commands and “ping” to learn how this network works.


This is the link to access this lab challenge: http://congressreiki.ranm.org/?all=lab_challenges/Checking_Configs_OSPF/

Comments (8) Comments
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  1. CCNA_candidate
    August 13th, 2017

    please send me 200-125 dumps @ bts 10200 @ gmail.com

  2. Kin
    February 26th, 2018

    Question 8 what type of OSPF network on the serial connection of R4? Using the command ” show ip ospf int s1/0 ” it shows the network type is ” POINT_TO_POINT” but in the response 9tut says its ” PONT_TO_MULTIPONT”. I am bit confused. How did you see POINT-TO-MULTIPOINT??

  3. Ivan
    March 18th, 2018

    KIn Check 9 tut again it is Point to Point as stated

  4. Omar
    April 7th, 2018

    Very good Lab, thanks a lots.

  5. zsolt
    May 6th, 2018

    Could you please send me the latest questions of CCNA? I will take the exam next week.
    Thank you.

  6. JJ
    July 11th, 2018

    Question: “What is the bandwidth of of the Serial connection on R1?”

    Answer(from this lab): 1,544 Mbps – I believe this answer is wrong.

    Command ‘show interfaces s1/0’ indicates the Bandwidth is: 1,544 Kbps = 1.544 Mbps
    *Correct Answer should either be: 1.544Mbps OR ~2Mbps

    Please advise.
    Thank You.

  7. Jhudz
    July 22nd, 2019

    I got 9/10

    The only mistake I got is the:
    Q: What is the bandwidth of of the Serial connection on R1?
    A: 1,544Mbps

    if this is a typo of “,” and “.” then this explains it.
    but if not, the answer should be 2Mbps, round off the 1544kbps.

  8. Greg
    January 29th, 2020

    In order to have the process number configured on a device it is easier to use the commande “sh ip ospf database”

    You’ll fing it directly as you can see in the first line for R5:
    OSPF Router with ID ( (Process ID 5)

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