What statement about the IEEE 802.11-2016 QoS facility is true?
A. 802.11 QoS is achieved by giving high priority queues a statistical advantage at winning contention.
B. Four 802.1p user priorities are mapped to eight 802.11 transmit queues.
C. 802.11 control frames are assigned to the 802.11 EF priority queue.
D. When the Voice queue has frames awaiting transmission, no data will be transmitted from the Best Effort queue.
ABC Company is planning to install 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 new Ethernet 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?
A. The power budget in the edge switches must be carefully planned and monitored based on the number of supported PoE devices.
B. The edge Ethernet switches should support Ether-channel to get the best results out of the network.
C. VoIP phones and 802.11 access points should not be powered by the same edge switch due to distortion.
D. If the switches are in optimal locations for VoIP phones, they are likely to be suboptimal locations for 802.11 APs
What statement describes the authorization component of a AAA implementation?
A. Validating client device credentials against a database.
B. Implementing a WIPS as a full-time monitoring solution to enforce policies.
C. Granting access to specific network services or resources according to a user profile.
D. Verifying that a user is who he says he is.
What common feature of MDM solutions can be used to protect enterprise data on mobile devices?
A. Over-the-air registration
B. Onboarding
C. Containerization
D. Self-registration
What factor will have the most significant impact on the amount of wireless throughput available to each station within a BSS?
A. The Layer 3 protocol used by each station to transmit data over the wireless link
B. The number of client stations associated to the BSS
C. The power management settings in the access point beacons
D. The presence of co-located (10m away) access points on non-overlapping channels
You are deploying a WLAN monitoring solution that utilizes distributed sensor devices. Where should sensors be deployed for best results? Choose the single best answer.
A. Every 20 feet and alongside each AP
B. Closer to the APs
C. Closer to the client devices
D. IN critical areas where WLAN performance must be high
What security solution is deprecated in the 802.11 standard and should never be used in any modern WLAN deployment?
A. AES
B. Shared Key Authentication
C. CCMP
D. Open System Authentication
When antenna gain is reported in dBI, the gain of the antenna is compared to what theoretical antenna?
A. Yagl
B. Dipole
C. Rubber ducky
D. Isotropic radiator
When using a spectrum analyzer to look for non-Wi-Fi interference sources, you notice significant interference across the entire 2.4 GHz band (not on a few select frequencies) within the desktop area of a user's workspace, but the interference disappears quickly after just 2 meters. What is the most likely cause of this interference?
A. USB 3 device in the user's work area
B. Bluetooth devices in the user's work area
C. Excess RF energy from a nearby AP
D. Unintentional radiation from the PC power supply
What cipher suite is specified by the 802.11-2016 standard and is not deprecated?
A. Temporal Key Integrity Protocol
B. Extensible Authentication Protocol
C. Counter Mode with CBC- MAC Protocol
D. Wired Equivalent Privacy
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