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Drag Drop Questions

March 16th, 2020 in ENCOR 350-401 Go to comments

Question 1


OSPF metric is only dependent on the interface bandwidth & reference bandwidth while EIGRP metric is dependent on bandwidth and delay by default.

Both OSPF and EIGRP have three tables to operate: neighbor table (store information about OSPF/EIGRP neighbors), topology table (store topology structure of the network) and routing table (store the best routes).

Question 2

Question 3


The following diagram illustrates the key difference between traffic policing and traffic shaping. Traffic policing propagates bursts. When the traffic rate reaches the configured maximum rate (or committed information rate), excess traffic is dropped (or remarked). The result is an output rate that appears as a saw-tooth with crests and troughs. In contrast to policing, traffic shaping retains excess packets in a queue and then schedules the excess for later transmission over increments of time. The result of traffic shaping is a smoothed packet output rate.


Note: Committed information rate (CIR): The minimum guaranteed data transfer rate agreed to by the routing device.

  1. david
    March 29th, 2020

    D&D for Qos is not working in Composite Quizzes.
    please take a look.

  2. digitaltut
    March 29th, 2020

    @david: Thanks for your detection! We have just updated the Composite Quizzes.

  3. D&d
    April 26th, 2020

    Q1 is wrong.

    OSPF metric is based on BW, not delay and reliability. That answer should be dragged to the EIGRP part (EIGRP metric is based on BW, delay, reliability, load and MTU).

    And OSPF maintains 3 tables: neighbor, topology and routing table.

  4. Aussie
    April 27th, 2020

    OSPF – 2,5,6
    EIGRP – 1,3,4

  5. randy227
    May 25th, 2020

    On the QoS drag and drop Question 3, if Shaping typically has delays shouldn’t it also introduce delay and jitter?

  6. japanese
    September 22nd, 2020

    is it the eigrp should be based on bandwidth and delay by default ? not reliability ?

  7. digitaltut
    September 22nd, 2020

    @japanese: Yes, we also noticed it in the explanation but there is no better choice so we had to pick it.

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