CWNA-108 Question #140: Real Exam Question with Answer & Explanation

The correct answer is C. WLAN bridges may support MIMO communication, but only if used in the GHz frequency band. Is 802.11ad and 802.11ay WiGig transmits data wirelessly on the 60 GHz frequency published in 2012, uses the 802.11ad standard offer 5Gbps at up to 10 meters release in 2019, 802.11ay is scheduled for release in 2019 offering 10Gbps at up to 100 meters WPA3 standard also replaces

Question

What statement about 802.11 WLAN bridges is true?

Options

AWLAN bridges only work in the 2.4 GHz frequency band and they support only SISO
BWLAN bridges must use a channel with acceptable SNR at both transceivers to maintain the
CWLAN bridges may support MIMO communication, but only if used in the GHz frequency band
DWLAN bridges must be implemented such that no interference occurs on the channel anywhere

Explanation

Is 802.11ad and 802.11ay WiGig transmits data wirelessly on the 60 GHz frequency published in 2012, uses the 802.11ad standard offer 5Gbps at up to 10 meters release in 2019, 802.11ay is scheduled for release in 2019 offering 10Gbps at up to 100 meters WPA3 standard also replaces the pre-shared key (PSK) exchange with Simultaneous Authentication of Equals (SAE) WPA3 The new standard uses an equivalent 192-bit cryptographic strength in WPA3-Enterprise Protection of management frames as specified in the IEEE 802.11w amendment is also enforced by the WPA3 specifications.

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