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Which of the following is the MOST likely cause?

A company has recently implemented a high density wireless system by having a junior technician
install two new access points for every access point already deployed. Users are now reporting

random wireless disconnections and slow network connectivity. Which of the following is the
MOST likely cause?

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A.
The old APs use 802.11a

B.
Users did not enter the MAC of the new APs

C.
The new APs use MIMO

D.
A site survey was not conducted

Explanation:

2 Comments on “Which of the following is the MOST likely cause?”

  1. Super_Mario says:

    AP=ACCESS POINTS
    A-02.11a protocol is OK and should not be the issue
    B- User do not need to and should not be able to enter the MAC of the new APs.
    C- MIMO should make things faster, not slower. Multiple Input/Multiple Output. MIMO refers to access points that use multiple antennas to detect wireless signals and aggregate multiple output or LAN connections. Vendors report that MIMO access points are up to eight times faster and reach three times farther than the current 802.11g standard.

    The Only possible answer is “D-A site survey was not conducted”
    To my mind , this is not much of an answer, as connections were fine with one AP, so it should be even better with two, unless the original AP one was moved as well




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    1. johnmclaren says:

      Three thoughts about the answer.

      1. 802.11a is incompatible with any of the other 802.11b/g/n/ac standards, because it uses a different frequency. If the clients were switching between the two different 802.11x APs, each with a different standard and frequency, there will be random disconnection issues.

      2. The wireless frequency of the new APs are saturated. The tech installed 2x more wifi APs and is causing the new APs to squelch each other out with crosstalk. It’s the first thing I would ask if one of my employees installed a wireless network that was giving problems. THIS is the only part I could see that could have been avoided with a site survey.

      3. The question is ambiguous. Wireless problems like these can have so many issues, it’s not something that can easily be solved, without more information. A and D are just equally correct, in my opinion.

      I hope this isn’t really a test question.




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