CWNA-107 Online Practice Questions and Answers

What is the most effective method of testing roaming in relation to 802.11 VoIP handsets?

A. Use the built-in roaming monitor built into all VoIP handsets.

B. Use a protocol analyzer to capture the traffic generated when a laptop roams.

C. Place a call with the handset and move around the facility to test quality during roaming.

D. Use a spectrum analyzer to monitor RF activity during a VoIP call.

What non-standard WLAN solution attempts to give a longer transmission windows to devices with higher data rates then devise with lower data rates?

A. AirTime Fairness

B. Band Steering

C. ARM

D. RRM

In addition to coverage analysis result, what should be included in a post-deployment site survey report to ensure WLAN users experience acceptable performance?

A. Layer 4 protocol availability analysis results

B. Application Layer protocol availability analysis results

C. Capacity analysis results

D. WAN interface analysis results

What primary metric of scanning can stations use to select the best AP for connectivity to the desired BSS?

A. Signal strength of AP beacons received.

B. PING latency when testing against an Internet server.

C. FCS errors in frames transmitted to and from the AP.

D. Throughput speed in Mbps.

The IEEE 802.11-2016 standard requires VHT capable devices to be backward compatible with devices using which other 802.11 physical layer specification (PHY)?

A. ERP-PBCC

B. DSSS

C. OFDM

D. HR/DSSS

When considering data rates available in HT and VHT PJY 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 drivers

C. The guard interval

D. The height of the antennas

What ID is typically mapped to an AP's MAC address if a single BSS is implemented?

A. VLAN ID

B. BSSID

C. Device ID

D. SSID

What Linux shell command can be used to view the hardware and PHY capabilities of a wireless adapter in detail including channel widths, output power setting, channels supported, and more?

A. ifconflg

B. iw phy

C. netsh wlan show device

D. iwconflg

A standard PoE injector is used to power an access point requiring 802.3at. CAT6 cabling is in use. What is the maximum distance supported between the access point and the Ethernet switch with the use of a midspan power injector?

A. 100 meters

B. 300 meters

C. 328 meters

D. 200 meters

What Linux shell command can be used to view the hardware and PHY capabilities of a wireless adapter in detail including channel widths, output power settings, channels supported, and more?

A. ifconfig

B. iw phy

C. netsh wlan show device

D. iwconfig