guide for Watchguard Secure Wifi
Certification 2024/25 100% PASS
2.4 GHz wavelength - Correct Answers longer wavelengths, better range
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II! larger channel widths - Correct Answers provide faster speed and throughput but can create greater
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II! interference
II! 5 GHz wavelength - Correct Answers supports faster data rates at shorter distances, suited for high
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II! density deployments because of greater number of channels that do not overlap
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II! What channel widths do 2.4 GHz support? - Correct Answers 20 and 40 MHz
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II! What channel widths do 5 GHz support? - Correct Answers 20, 40, 80, 160 MHz
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II! omnidirectional antenna - Correct Answers Can transmit and receive with 360-degree coverage
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II! directional antenna - Correct Answers directs signals where the antenna oints
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II! Beamforming - Correct Answers technology that enables wireless devices with omnidirectional
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II! antennas to detect location of other wireless devices and direct a stronger signal in the direction of the
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II! Antenna Gain - Correct Answers The increase in signal strength by the concentration of radio waves by
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II! means of directional propagation.
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II! ad hoc network - Correct Answers wireless network where stations can communicate directly to each
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, II! infrastructure network - Correct Answers wireless clients must connect through a central wireless point
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II! that controls access to the wireless and wired networks
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II! wireless network service sets - Correct Answers BSS, BSSID, SSID, ESS
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II! mesh network - Correct Answers one or more AP's connected to the wired network
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II! best practices for channel planning - Correct Answers - To avoid co-channel interference, make sure
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II! that adjacent APs do not overlap channels.
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- Larger channel widths can provide better throughput, but they can cause more interference
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in high density areas.
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II! How many channels in 2.4 GHz - Correct Answers 14, (1, 6, and 11 do not overlap and these are the
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II! most used channels by AP) II! II! II! II!
II! How many channels in 5 GHz - Correct Answers 25 that do not overlap
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II! Which channels are mainly used in 5 GHz - Correct Answers 20 and 40 MHz
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II! For high density deployments - Correct Answers use 20 MHz channel width in 2.4 GHz to reuse
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II! channels
II! Co-channel interference (CCI) - Correct Answers occurs when wireless radios transmit on the same
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II! adjacent channel interference (ACI) - Correct Answers occurs when wireless radios transmit on an
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II! adjacent channel or a channel that overlaps another channelII! II! II! II! II! II! II! II!
II! Firebox with built in wireless - Correct Answers One built-in single-band radio supports up three SSID
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II! Watchguard AP - Correct Answers Has two radios (2.4 and 5 GHz) and supports 8 SSID on each radio
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