Which tool can be used to identify wireless RF signal strength and interference?
- WLAN controller
- packet analyzer
- packet sniffer
- spectrum analyzer
Explanation: Spectrum analyzers are designed to detect and measure RF energy that is present in those frequency ranges at 2.4 GHz and 5 GHz. A spectrum analyzer takes RF radio information, whether it is from wireless access points or other equipment using the free ISM band, and puts it into a visible display format.
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