CWNP CWNA CWNA-107 Questions & Answers

• Question 31:

  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

  Correct Answer: D

• Question 32:

  When replacing the antenna of a WLAN device with a similar antenna type that has a higher passive gain, what antenna characteristic will decrease?

  A. Range

  B. Beam width

  C. Active gain D. Receive sensitivity

  Correct Answer: B

• Question 33:

  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

  Correct Answer: B

• Question 34:

  A client STA must choose the best AP for connectivity. As part of the evaluation, it must verify compatible data rates. What can the client STA use to verify that an AP supports the same data rates that it supports?

  A. Beacon frames transmitted by the AP

  B. Data frames sent between the AP and current clients STAs

  C. Authentication frames transmitted by the other client STAs

  D. Probe request frames transmitted by other client STAs

  Correct Answer: D

  Reference https://supportforums.cisco.com/t5/wireless-mobility-documents/802-11-sniffer-capture-analysismanagement-frames-and-open-auth/ta-p/3120622

• Question 35:

  What factor does not influence the distance at which an RF signal can be effectively received?

  A. Free Space Path Loss

  B. Receiving station's radio sensitivity

  C. Transmitting station's output power

  D. Receiving station's output power

  Correct Answer: B

• Question 36:

  In a WALN security, what authentication method always creates Layer2 dynamic encryption keys?

  A. Shared Key

  B. WEP

  C. HTTPS captive portal

  D. EAP-TLS

  Correct Answer: B

• Question 37:

  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

  Correct Answer: C

• Question 38:

  What 802.11 PHY uses available space in very low frequency ranges that is not in use at the time by broadcast video signals?

  A. DMG

  B. SIG

  C. DSSS

  D. TVHT

  Correct Answer: C

  https://www.cwnp.com/802-11ac-vht-just-the-facts/

• Question 39:

  ABC Company is planning a point-to-multipoint bridge deployment with standalone (autonomous) 802.11 bridge units. 802.1X/EAP will be used for bridge authentication. A Linux-based RADIUS server will be used for authentication. What device in the bridge implementation acts as the 802.11X Authenticator?

  A. All non-root bridges

  B. The root bridge

  C. The Ethernet switch

  D. The RADIUS server

  Correct Answer: C

• Question 40:

  You are using a tool that allows you to see signal strength for all Aps in the area with a visual representation. It shows you SSIDs available and the security settings for each SSID. It allows you to filter by frequency band to see only 2.4 GHz networks or only 5 GHz networks. No additional features are available.

  What kind of application is described?

  A. Protocol analyzer

  B. Site survey utility

  C. Spectrum analyzer

  D. WLAN scanner tool

  Correct Answer: D