The IEEE 802.11-2012 standard requires VHT capable devices to be backward compatible with devices using which other 802.11 physical layer specification (PHY)?
Answer : A
What statements about the beamwidth of an RF antenna are true? (Choose 2)
Answer : C,D
What type of device often causes interference across 50% or more of the 2.4 GHz frequency band?
Answer : C
ABC Company has thousands of Wi-Fi users accessing their network on a daily basis.
Their WLAN consists of 700 access points, 6 WLAN controllers, and a wireless network management system.
Whatnetwork functions are performed by the enterprise-class WNMS?
Answer : C
What statements describe industry practices for communication protocols between
WLANcontrollers and controller-based APs? (Choose 2)
Answer : B,D
ABC Company is planning toinstall a new 802.11ac WLAN, but wants to upgrade its wired infrastructure first to provide the best user experience possible. ABC Company has hired you to perform the RF site survey. During the interview with the network manager, you are told that the newEthernet edge switches will support VoIP phones and 802.11 access points, both using 802.3 PoE.
After hearing this information, what immediate concerns do you note?
Answer : D
What is the intended use for the WLAN hardware known as a pole or mast mount unit?
Answer : B
In a Wi-Fi client configuration utility, what feature is most likely to be user configurable?
Answer : E
What causes of hidden nodes within a BSS would be more likely lead to an increase in collisions and retries? (Choose 2)
Answer : E,F
What statement is true concerning the use of Orthogonal Frequency Division Multiplexing
(OFDM) in IEEE 802.11 WLANs?
Answer : D
What feature was introduced in the 802.11h amendment in order to uphold regulatory requirements for 5 GHz operations.
Answer : C
What factors are taken into account when calculating theLink Budget of a point-to-point outdoor WLAN bridge link?
Answer : A,B,C
When a client moves to a new BSS within an ESS, whatstep is a part of the 802.11 reassociation process?
Answer : D
Which one of the following channels can be used for VHT transmissions?
Answer : D