Online Access Free CWNA-106 Exam Questions

What problems may occur when there are hidden nodes in the BSS?

• A.Excessive use of null data frames.
• B.Use of frame fragmentation with fragment bursts.
• C.Duration values vary widely in each data frame.
• D.Increase in downlink (transmitted by AP) frame retries.
• E.High retransmission count for a subset of client stations.

What statement accurately describes the RF cables and connectors that are used in an
802.11WLAN system?

• A.75 and 125 ohms are the typical impedances of 802.11 WLAN connectors.
• B.Two RF connectors of the same type (e.g. SMA), manufactured by different companies, may vary in specifications.
• C.Large diameter RF cables cause greater loss than small diameter cables.
• D.Some RF connectorsdo not cause insertion loss.

What are two channel modes specified by the 802.11n (High Throughput) PHY? (Choose
2)

• A.22 MHz
• B.20/40 MHz
• C.20 MHz
• D.80 MHz
• E.40/80 MHz
• F.160 MHz

How is throughput capacity scaled in a single channel architecture (SCA) WLAN system?

• A.By adding non-overlapping channel layers through the addition of more APs.
• B.By adding more SSIDs to existing APs to spread users across different contention domains.
• C.By increasing transmit power and placing APs that are on a single channel farther from one another.
• D.By using downlink data compression and uplink flow control at the AP.

You are selecting antennas for a WLAN operating in the 5 GHz frequency band. What specifications should be evaluated for an antenna before it is implemented in this WLAN system? (Choose 3)

• A.802.11ad compatibility
• B.Operating Frequencies
• C.Return Loss Rating
• D.Impedance in Ohms
• E.Elevation Beamwidth
• F.TPCsupport