Free Access CWNP.CWNA-108.v2022-03-22.q78 Practice Test (Page 4)

Which directional antenna types are commonly used by indoor Wi-Fi devices in a MIMO multiple spatial stream implementation?

A.Dipole and yagi

B.Patch and panel

C.Dish and grid

D.Grid and sector

What statement about 802.11 WLAN bridges is true?

A.WLAN bridges must use a channel with acceptable SNR at both transceivers to maintain the desired data rate bi-directionally

B.WLAN bridges must be implemented such that no interference occurs on the channel anywhere between the two endpoints used to establish the bridge

C.WLAN bridges may support MIMO communication, but only if used in the GHz frequency band

D.WLAN bridges only work in the 2.4 GHz frequency band and they support only SISO communications

What non-standard WLAN solution attempts to give a longer transmission windows to devices with higher data rates then devise with lower data rates?

A.AirTime Fairness

B.ARM

C.RRM

D.Band Steering

What standard is referenced into the 802.11-2012 specification and is recommend for robust WLAN client security?

A.802.1X/EAP

B.SSID hiding

C.IPSec VPN

D.WEP

Which IEEE 802.11 physical layer (PHY) specification includes support for and compatibility with both ERP and HR/DSSS?

A.HT (802.11n)

B.OFDM (802.11a)

C.DSSS (802.11-Prime)

D.VHT (802.11ac)

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