220-1201 Practice Question: During a site survey, a technician finds that…

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

• ✗

  The access point in the break room is overheating.

  Why it's wrong here

  An overheating access point (AP) would typically lead to performance degradation, intermittent disconnections, or complete failure for all clients connected to it, not just those specifically in the break room. If only break room users are affected, it points to a localized issue within that specific area rather than a general AP malfunction impacting its entire coverage zone.

• ✗

  Users in the break room are connecting to a 5 GHz network with poor range.

  Why it's wrong here

  While 5 GHz Wi-Fi indeed has a shorter effective range and is more susceptible to attenuation by obstacles compared to 2.4 GHz, the premise that users are connecting to it implies it's available and likely within reasonable proximity to an access point. If the problem is specific to the break room and not a general network issue, it suggests a localized interference source rather than a fundamental range limitation of the 5 GHz band.

• ✓

  A microwave oven in the break room is causing interference.

  Why this is correct

  Microwave ovens operate in the 2.45 GHz Industrial, Scientific, and Medical (ISM) band, which directly overlaps with the 2.4 GHz Wi-Fi band. When a microwave is in use, it emits significant electromagnetic interference (EMI) that can severely degrade Wi-Fi signal quality, reduce throughput, and cause intermittent disconnections for devices operating on the 2.4 GHz band within its vicinity. This is a common and well-documented source of localized Wi-Fi disruption.

• ✗

  The break room has too many walls blocking the signal.

  Why it's wrong here

  If the issue were primarily due to excessive physical obstructions like walls, users in nearby offices would likely experience similar signal degradation or reduced speeds. The scenario explicitly states that offices nearby have excellent speeds, indicating that the overall Wi-Fi coverage and signal penetration are adequate in the surrounding areas. This points away from a general architectural problem and towards a localized cause specific to the break room itself.

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