What limitation exists when WMM is not enabled on an 802.11n WLAN?
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A customer is acquiring a new VoWLAN system to replace their existing wired phone system. When reading about his system's requirements, you learned that is requires 25 db of SNR to work as expected. After surveying the environment, you discovered that the noise floor is -88 dBm. What should be the minimum RSSI value to meet the system's requirements?

What statements are true regarding jitter and latency?(Choose all that apply.) Response:

A high power radio system transmits at 40,000 Watts. What is this power in dBm? Solve this without a calculator.
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In a PC-based spectrum analyzer, what data chart identifies the overall RF utilization of a specific frequency in the environment being surveyed?