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EtherChannel Questions 4

September 12th, 2017 in SWITCH 300-115 Go to comments

Question 1

Explanation

For this question please remember this:

The table below lists if an EtherChannel will be formed or not for LACP:

LACP Active Passive
Active Yes Yes
Passive Yes No

The table below lists if an EtherChannel will be formed or not for PAgP:

PAgP Desirable Auto
Desirable Yes Yes
Auto Yes No

To form an Etherchannel both sides must use the same Etherchannel protocol (LACP or PAgP). According the two tables above we can see only “desirable” and “auto” (of PAgP) can form an Etherchannel bundle.

Note: If we want to use “on” mode, both ends must be configured in this “on” mode to create an Etherchannel bundle.

Question 2

Question 3

Explanation

The table below lists if an EtherChannel will be formed or not for PAgP:

PAgP Desirable Auto
Desirable Yes Yes
Auto Yes No

Therefore we can see if one end is in “auto”, the other end must be in “desirable” mode to form an Etherchannel.

Question 4

Question 5

Question 6

Comments
  1. CertPrep Nickname
    September 14th, 2017

    New section? Has the site PDF questions file been updated too?

  2. cahh
    October 23rd, 2017

    in Q.5, I think only E is correct, as option B (which is mode passive-passive) will not negotiate, right?

  3. mori
    October 29th, 2017

    in Q.5 , it asked for “2 command sequences” on 2 switches to negotiate.so “passive” and “active” mode is correct.

  4. switchy
    October 29th, 2017

    Q1 doesn’t have an image q_q

  5. Hank
    November 15th, 2017

    Q2???
    Is it asking for two, or one answer?
    To form an Etherchannel trunk, you do not have to set the allowed vlans. Vlans 1-1005 are automatically allowed. Therefore, it should be just answer D where it is absolutely necessary to configure a trunk.

  6. bigM
    November 24th, 2017

    Q5
    C+E

  7. bigM
    November 24th, 2017

    Q5 correction
    B & E

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