Designing Cisco Enterprise Wireless Networks (ENWLSD) — Question 189

An engineer performs a wireless site survey of a multi-floor building for 2.4-GHz and 5-GHz bands. The customer wants to identify non-802.11 sources of interference. Which survey measurement must be included in the survey?

Answer options

• A. channel utilization
• B. spectrum analysis
• C. signal-to-noise ratio
• D. co-channel interference

Correct answer: B

Explanation

The correct answer is B, spectrum analysis, as it allows the engineer to detect and identify non-802.11 interference sources in the environment. Options A, C, and D focus on aspects of wireless network performance and interference from other Wi-Fi networks, but they do not specifically address non-802.11 interference.