When considering data rates available in HT and VHT PHY devices, in addition to the modulation, coding, channel width, and spatial streams, what impacts the data rate according to the MCS tables?
A. The frequency band in use
B. The client drives
C. The guard interval
D. The height of the antennas
An 802.11-based network uses an AP and has several connecting clients. The clients include iPhones, iPads, laptops and one desktop. What WLAN use case is represented?
A. WPAN
B. Ad-hoc
C. BSS
D. IBSS
What 802.11 PHY uses available space in very low frequency ranges that is not in use at the time by broadcast video signals?
A. DMG
B. SIG
C. DSSS
D. TVNT
What statement about 802.11 WLAN performance is true?
A. In modem networks, both centralized and distributed data forwarding work well for most standard office deployments
B. In most WLANs, no special skill or tuning is required to get peak performance
C. WLANs perform better as more wireless clients connect with each AP
D. To get the best performance out of an AP, you should disable data rates of 72 Mbps and lower
Which one of the following 802.11 PHYs is more likely to be used in an industrial deployment but not likely to be used in standard office deployments?
A. SIG
B. VHT
C. OFDM
D. HT
You are attempting to locate the cause of a performance problem in two WLAN cells in a mostly overlapping coverage area. You note that one AP is on channel 1 and the other is on channel 2. When you document your findings, what term do you use to describe the problem in this configuration?
A. Bluetooth interference
B. Non-Wi-Fi interference
C. CCI
D. ACI
Option 43 must be configured to allow access points to locate controllers. In what network service should this option be configured?
A. DHCP
B. LDAP
C. DNS
D. RADIUS
You are using a tool that allows you to see signal strength for all Aps in the area with a visual representation. It shows you SSIDs available and the security settings for each SSID. It allows you to filter by frequency band to see only 2.4 GHz networks or only 5 GHz networks. No additional features are available.
What kind of application is described?
A. Protocol analyzer
B. Site survey utility
C. Spectrum analyzer
D. WLAN scanner tool
What 802.11 PHY uses available space in very low frequency ranges that is not in use at the time by broadcast video signals?
A. DMG
B. SIG
C. DSSS
D. TVHT
ABC Company is planning a point-to-multipoint bridge deployment with standalone (autonomous) 802.11 bridge units. 802.1X/EAP will be used for bridge authentication. A Linux-based RADIUS server will be used for authentication. What device in the bridge implementation acts as the 802.11X Authenticator?
A. All non-root bridges
B. The root bridge
C. The Ethernet switch
D. The RADIUS server
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