In a Wi-Fi client configuration utility, what feature is most likely to be user configurable?
A. 802.1p to WMM mappings
B. SNMPv3 Users
C. WMM-PS Dozing Interval
D. RADIUS Server IP Address
E. EAP Authentication Type
As XYZ Company's wireless specialist, you have been asked to troubleshoot some unexpected frame patterns in a wireless protocol capture. Your peers explain that the network's beacon frames are inconsistent. That is, the BSSID is the same for all beacons, but the source address varies between three different addresses.
What network configuration would cause this beacon frame behavior?
A. A single AP supports multiple BSSs with different SSIDs
B. A virtual cell single channel network has been implemented
C. The beacons are from an IBSS instead of a BSS
D. Three APs still share the same default configuration.
What features are most often configurable within 802.11 WLAN client utilities? (Choose two)
A. Frame generator utility
B. Power management
C. Co-channel interference threshold
D. Roaming aggressiveness
E. AES key and block size
What can cause an excessively high VSWR (Voltage Standing Wave Ratio) in a WLAN RF transmission line?
A. An impedance mismatch in the RF cables and connectors
B. Reflected direct current (DC) voltage on the main RF signal line
C. Attenuation of the RF signal as it travels along the main signal path
D. Crosstalk (inductance) between adjacent RF conductors
What statement about 802.11 WLAN performance is true?
A. Use of larger frame sizes results in greater throughput in low interference environments.
B. BSS support for 65 KB A-MPDUs will increase the maximum data rate available to client devices.
C. In 802.11n, changing the security mechanism from WPA2-Personal to WPA2-Enterprise will enable the HT MCS rates.
D. Compared to an Independent BSS, an Infrastructure BSS can provide almost twice the throughput between wireless nodes.
E. Use of short guard intervals improves reliability and throughput in high multipath environments
In WLAN security, which authentication methods always create Layer 2 dynamic encryption keys? (Choose two)
A. HTTPS Captive Portal
B. WEP
C. WPA2-PSK
D. EAP-TLS
E. Shared Key
F. TKIP
Given: ABC Company has hired you to perform an indoor site survey of their 7-story facility. ABC Company owns the building and rents out unused floors (floors 2 and 4) to other companies, and the other companies use
802.11 WLANs already. ABC Company wants all of the offices they occupy to be surveyed as part of the project.
What actions should be recommended as part of the site survey project? (Choose two)
A. Verify that RF signals from ABC's APs are not penetrating outside the perimeter of the building.
B. Determine how much signal strength is bleeding between floors.
C. Locate wiring closets on each floor occupied by ABC Company.
D. Identify security best practice violations on neighboring WLANs.
E. Verify that ABC's APs are not directly above or below APs on adjacent floors.
Given: When designing a WLAN infrastructure implementation for high client density at a public venue such as a conference or stadium, what are common best practices? (Choose 2)
A. Use high-gain omnidirectional antennas to improve SNR
B. Use directional antennas to isolate the RF propagation
C. Configure APs to transmit at or near their maximum power setting
D. Use WPA2-Personal security for ease of deployment
E. Disable 802.11n MCS rates to prevent high overhead protection mechanisms
F. Implement a band steering feature for dual-band clients
What statements accurately describe the RF cables and connectors that are used in an 802.11 WLAN system? (Choose three)
A. RF cables have upper and lower frequency range specifications.
B. 75 and 125 ohms are the typical impedances of 802.11 WLAN connectors.
C. Two RF connectors of the same type (e.g. SMA), manufactured by different companies, may vary in specifications.
D. Every RF connector causes insertion loss.
E. Large diameter RF cables cause greater loss than small diameter cables.
F. Coaxial RF cables can be used to carry Power-over-Ethernet (PoE) to an outdoor bridge mounted on a mast.
What frequency band is NOT specified for use by IEEE 802.11 radios?
A. 902 - 928 MHz ISM band
B. 2.4000 2.4835 GHz ISM band
C. 4.94 4.99 GHz public safety band
D. 5.15 5.25 GHz UNII band
E. 5.470 5.725 GHz UNII band
F. 5.725 5.875 GHz ISM band
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