What statement is true concerning the use of Orthogonal Frequency Division Multiplexing (OFDM) modulation method in IEEE 802.11 WLANs?A . OFDM was used by Frequency Hopping Spread Spectrum (FHSS) PHY devices.B . OFDM was...
11 APsView AnswerAnswer: A
When performing a validation survey for a Multiple Channel Architecture (MCA) system in a multi-tenant building with five floors, what aspect should you, as the surveyor, keep in mind?A . The RF interference caused...
What fact is true regarding controllers and Aps in a split-MAC architecture?A . Using centralized data forwarding, frames leaving the Aps are never tagged Ethernet frames with VLAN identifiersB . An IP tunnel is...
What best describes WPA2 in relation to 802.11 wireless networks?A . WPA2 is specified in the 802.11 standard as implementing CCMP/AEC . WPA2 is the standard that defines security for WLANs.D . WPA2 is...
XYZ Company has decided to install an 802.11 WLAN system that will support 1000 wireless users, but they are concerned about network security. XYZ is interested in deploying standardized security features. In addition to...
Which IEEE 802.11 physical layer (PHY) specification includes support for and compatibility with both ERP and HR/DSSS?A . VHT (802.11ac)B . OFDM (802.11a)C . DSSS (802.11-Prime)D . HT (802.11n)View AnswerAnswer: D
When a client station sends a broadcast probe request frame with a wildcard SSID, how do APs respond?A . For each probe request frame, only one AP may reply with a probe response.B ....
In a long-distance RF link, which statement about Fade Margin is true?A . The Fade Margin is a measurement of signal loss through free space and is a function of frequency and distance.B ....
You are tasked with performing a throughput test on the WLAN. The manager asks that you use open source tools to reduce costs. What open source tool is designed to perform a throughput test?A...
