CWNA-108 Online Practice Questions and Answers

You are managing a wireless access point in autonomous mode using the Web based interface. You capture traffic during this management task and notice that you can see the HTML code of the Web pages used for access point management. What error in administration could be the cause of this security concern?

A. IPsec is not in use of the management connection as recommended

B. A VPN with the AP is not established

C. WPA2 is disabled on the WLAN

D. HTTP is in use instead of HTTPS

A natural disaster has occurred in a remote area that is approximately 40 miles from the response team headquarters. The response team must setup a local wireless network using 802.11 WLAN access points. What is the best method, of those listed, for implementation of a network backhaul for communications across the Internet in this scenario?

A. Temporary wired cable

B. 802.11 bridging

C. Cellular/LTE

D. Temporary wired DSL

When using a spectrum to look for non Wi-Fi interference sources, you notice significant interference across the entire 2.4 GHz band (not on a few select frequencies) within the desktop area of a users workspace, but the interference disappears quickly after just 2 meters. What is the most likely cause of this interference?

A. USB 3 devices in the user's work area

B. Bluetooth devices in the user's work area

C. Excess RF energy from a nearby AP

D. Unintentional radiation from the PC power supply

You are installing an AP to be used by 23 laptops. All laptops will connect on the 5 GHz frequency band. A neighbor network uses channels 1 and 6. What channel should be used for this AP and why?

A. Channel 6, because it is always best to use this channel

B. A 5 GHz channel, because channels 1 and 6 are 2.4 GHz channels they have no impact on the decision

C. Channel 1, because it is best to use the channel with the lowest frequency

D. Channel 11, because channels 1 and 6 are in use nearby

Your consulting firm has recently been hired to complete a site survey for a company. Your engineers use predictive design software for the task, but the company insists on a pre-deployment site visit.

What task should be performed as part of the pre-deployment visit to prepare for a predictive design?

A. Evaluate the building materials at ABC's facility and confirm that the floor plan documents are consistent with the actual building

B. Install at least one AP on each side of the exterior walls to test for co-channel interference through these walls

C. Test several antenna types connected to the intended Aps for use in the eventual deployment

D. Collect information about the company's security requirements and the current configuration of their RADIUS and user database servers

When antenna gain is reported in dBI, the gain of the antenna is compared to what theoretical antenna?

A. Yagl

B. Dipole

C. Rubber ducky

D. Isotropic radiator

What statement about the IEEE 802.11-2016 QoS facility is true?

A. 802.11 QoS is achieved by giving high priority queues a statistical advantage at winning contention.

B. Four 802.1p user priorities are mapped to eight 802.11 transmit queues.

C. 802.11 control frames are assigned to the 802.11 EF priority queue.

D. When the Voice queue has frames awaiting transmission, no data will be transmitted from the Best Effort queue.

You are attempting to explain RF shadow and how it can cause lack of coverage. What common building item frequently causes RF shadow and must be accounted for in coverage plans?

A. Wooden doors

B. Carpeted floors

C. Elevators

D. Cubicle partitions

A POE device requires 47 W of power. What POE specification should be used?

A. 802.3at

B. 802.3af

C. 802.3bt

D. 802. 11at

What security solution is required to be used in place of Open System Authentication for all open network 802.11 implementations in the 6 GHz band?

A. OWE

B. Kerberos

C. WPA3-Enterprise

D. WPA3-SAE