CWNA-108 Online Practice Questions and Answers

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

A. WAN interface analysis results

B. Capacity analysis results

C. Application Layer protocol availability analysis results

D. Layer 4 protocol availability analysis results

A non-802.11 device is suspected of causing interference on the WLAN. You are not certain of the location or type of device. What is the best solution for locating this non-802.11 device?

A. Access point spectrum analyzer

B. Laptop-based spectrum analyzer with an omni-directional antenna

C. Laptop-based spectrum analyzer with an omni-directional antenna

D. Laptop-based spectrum analyzer with a directional antenna

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

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

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

To ease user complexity, your company has implemented a single SSID for all employees. However, the network administrator needs a way to control the network resources that can be accessed by each employee based in their department.

What WLAN feature would allow the network administrator to accomplish this task?

A. RBAC

B. WPA2

C. WIPS

D. SNMP

You are troubleshooting an issue reported by several wireless users. The problem is contained to one cell (several users connected to the same AP). You manage the WLAN and no other network devices. After analysis it appears to be a switch problem. What action should be taken?

A. Create a plan of action and implement it

B. Escalate the problem to the network administration team

C. Document the results and close the case

D. Escalate the problem to the wireless vendor support staff

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

Which unit of measurement is an absolute unit that is used to quantify received signal power levels on a logarithmic scale?

A. dBm

B. SNR

C. RSSI

D. VSWR

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

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 the first Fresnel zone is clear of obstructions.

D. Fade Margin is an additional pad of signal strength designed into the RF system to compensate for unpredictable signal fading.

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