CISSP Question #1360: Real Exam Question with Answer & Explanation

The correct answer is A: Channel overlap. The most likely cause of the issue is channel overlap. Channel overlap occurs when multiple wireless access points (WAPs) use the same or adjacent frequency channels, causing interference and degradation of the wireless signal. The image shows that there are four WAPs with the sa

Submitted by katya_ua· Mar 5, 2026Communication and Network Security

Question

A technician is troubleshooting a client's report about poor wireless performance. Using a client monitor, the technician notes the following information: Which of the following is MOST likely the cause of the issue?

Options

AChannel overlap
BPoor signal
CIncorrect power settings
DWrong antenna type

Explanation

The most likely cause of the issue is channel overlap. Channel overlap occurs when multiple wireless access points (WAPs) use the same or adjacent frequency channels, causing interference and degradation of the wireless signal. The image shows that there are four WAPs with the same SSID (Corporate) using channels 9, 10, 11, and 6. These channels are too close to each other and overlap in the 2.4GHz band, resulting in poor wireless performance. The issue can be resolved by changing the channels of the WAPs to non-overlapping ones, such as 1, 6,

Topics

#wireless performance#channel overlap#troubleshooting#Wi-Fi

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