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What unit is commonly used to display RSSI values?
Correct Answer: D
RSSI (Received Signal Strength Indicator)is a key measurement representing the power level of a received RF signal. It is typically displayed indBm (decibel-milliwatts), a logarithmic unit that expresses the power relative to 1 milliwatt. In Wi-Fi systems, RSSI values usually range between-30 dBm (excellent)and-90 dBm (very weak). According to theRUCKUS One Online Helpand theRUCKUS Analytics 3.5 User Guide, signal strength metrics shown in dashboards, client views, and RF reports are represented indBmfor consistency across platforms. This allows network engineers to correlate signal levels with client connectivity performance and thresholds used for roaming or troubleshooting. Other units such asdBirefer to antenna gain,Wattsmeasure absolute power (not typically used in client reporting), andOhmsmeasure resistance. Thus,dBmis the correct and standard unit used for RSSI measurement in RUCKUS and all IEEE 802.11-based systems. References: RUCKUS One Online Help - Radio Settings and Signal Strength Indicators RUCKUS Analytics 3.5 User Guide - Client Signal and Noise Metrics RUCKUS AI Documentation - Understanding RSSI, SNR, and RF Metrics
