You administer a WLAN that offers a guest SSID of GUESTNWORK. Users connect to the GUESTNWORK SSID, but report that they cannot browse the Internet. The devices simply report no Internet connection. What common problem causes this scenario?
A. NTP issues
B. Hardware issues
C. IP routing issues
D. Captive portal issues
When an ACK frame is not received by the transmitting STA, what is assumed?
A. The frame was correctly delivered
B. The frame was not delivered and must be retransmitted
C. The receiver is offline
D. The receiver processed the frame, but did not respond with an ACK frame because 802.11w is enabled
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 by passing airplanes supporting on-board Wi-Fi should be a prime consideration
B. The channel reuse pattern should be three dimensional with the RF cell extending coverage of each access point to other floors
C. The omni-directional antennas of the access points should be oriented parallel to the floor to maximize the coverage pattern across as many floors as possible
D. The Fresnel Zone is completely blocked between floors so each floor is considered a separate site survey
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. The Fade Margin of a long-distance radio link should be equivalent to the receiver's low noise filter gain.
C. A Fade Margin is unnecessary on a long-distance RF link if more than 80% of
D. Fade Margin is an additional pad of signal strength designed into the RF system to compensate for unpredictable signal fading.
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.
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 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.
Your manager asked you to locate a solution that allows for centralized monitoring of WLAN performance over time. He wants a single pane of glass for administration and monitoring of the solution. What do you recommend?
A. AP-based spectrum analysis
B. Laptop-based spectrum analyzers
C. Overlay WLAN monitoring solution
D. Laptop-based protocol analyzers
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
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