CWNA-108 Online Practice Questions and Answers

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

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

When a STA has authenticated to an AP (AP-1), but still maintains a connection with another AP (AP-2), what is the state of the STA on AP-1?

A. Transitional

B. Unauthenticated and Unassociated

C. Authenticated and Unassociated

D. Authenticated and Associated

In WLAN security, what authentication method always creates Layer 2 dynamic encryption keys?

A. Shared Key

B. WEP

C. HTTPS captive portal

D. EAP-TLS

What terms accurately complete the following sentence?

The IEEE 802.11-2016 standard specifies mandatory support of the _______________ cipher suite for Robust Security Network Associations, and optional use of the ________________ cipher suite, which is designed for use with pre-RSNA hardware and is deprecated.

A. 802.1X/EAP, WEP

B. CCMP, TKIP

C. TLS, SSL

D. RC5, RC4

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

A. AirTime Faimess

B. Band Steering

C. ARM

D. RRM

You are deploying a WLAN monitoring solution that utilizes distributed sensor devices. Where should sensors be deployed for best results? Choose the single best answer.

A. Every 20 feet and alongside each AP

B. Closer to the APs

C. Closer to the client devices

D. IN critical areas where WLAN performance must be high

You administer a WLAN that offers a guest SSID of GUESTNWORK. Users connect to the GUESTNWORK SSID, but report that they cannot browse the Internet. The devices simply report no Internet connection. What common problem causes this scenario?

A. NTP issues

B. Hardware issues

C. IP routing issues

D. Captive portal issues

You are deploying a WLAN monitoring solution that utilizes distributed sensor devices. Where should sensors be deployed for best results?

A. Every 20 feet and alongside each AP

B. Closer to the APs

C. Closer to the client devices

D. In critical areas where WLAN performance must be high

What frame type is used to reserve the wireless medium for the transmission of high data rate frames that may not be understood by all clients connected to the BSS?

A. RTS

B. ACK

C. Beacon

D. PS-Poll