Which one of the following channels is available in the 802.11­2016 standard that was not available before the ratification of 802.11 ac?

You are implementing a VHT-capable AP. Which one of the following channels is available in the 802.11­2016 standard that was not available before the ratification of 802.11 ac?A . 56B . 161C . 153D . 144View AnswerAnswer: D

October 30, 2020 No Comments READ MORE +

What statement about the beamwidth of an RF antenna is true?

What statement about the beamwidth of an RF antenna is true?A . Horizontal and vertical beamwidth are calculated at the points where the main lobe decreases power by 3 dC . The beamwidth patterns on an antenna polar chart indicate the point at which the RF signal stops propagating.D ....

October 29, 2020 No Comments READ MORE +

What impact does this draft amendment have on the 802.11 standard?

An IEEE 802.11 amendment is in the daft state. What impact does this draft amendment have on the 802.11 standard?A . Devices will be released based on the draft amendment and the draft amendment features are part of the standard.B . No impact: Until an amendment is ratified, it does...

October 29, 2020 No Comments READ MORE +

What statement is true concerning the use of Orthogonal Frequency Division Multiplexing (OFDM) modulation method in IEEE 802.11 WLANs?

What statement is true concerning the use of Orthogonal Frequency Division Multiplexing (OFDM) modulation method in IEEE 802.11 WLANs?A . OFDM implements BPSK modulation to allow for data rates up to 7 Gbps.B . OFDM was first introduced in 802.11a and is used by the ERP, HT and VHT PHYs...

October 28, 2020 No Comments READ MORE +

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

Which directional antenna types are commonly used by indoor Wi-Fi devices in a MIMO multiple spatial stream implementation?A . Dipole and yagiB . Grid and sectorC . Patch and panelD . Dish and gridView AnswerAnswer: C

October 26, 2020 No Comments READ MORE +