CWNP CWNA-107 Online Practice Questions and Exam Preparation

CWNP CWNA-107 Online Questions & Answers

• Question 1:

  You are performing a post-implementation validation survey. What basic tool can be used to easily locate areas of high co-channel interference?

  A. Throughput tester
  B. Access point spectrum analyzer
  C. Laptop-based spectrum analyzer
  D. Wi-Fi scanner
  B. Access point spectrum analyzer

• Question 2:

  You are evaluating access points for use in the 5 GHZ frequency band. What PHY supports this band and supports 80 MHz channels?

  A. OFDM
  B. HT
  C. VHT
  D. ERP
  C. VHT

• Question 3:

  Lynne runs a small hotel, and as a value added for his customers he has implemented a Wi-Fi hot-spot. Lynne has read news articles about how hackers wait at hot-spots trying to take advantage of unsuspecting users. He wants to avoid this problem at his hotel.

  What is an efficient and practical step that Lynne can take to decrease the likelihood of active attacks on his customers' wireless computers?

  A. Implement Network Access Control (NAC) and require antivirus and firewall software along with OS patches.
  B. Implement an SSL VPN in the WLAN controller that initiates after HTTPS login.
  C. Enable station-to-station traffic blocking by the access points in the hotel.
  D. Require EAP_FAST authentication and provide customers with a username/password on their receipt.
  B. Implement an SSL VPN in the WLAN controller that initiates after HTTPS login.

• Question 4:

  You are troubleshooting a WLAN problem and you suspect hidden node as the cause. What should you look for in a protocol analyzers?

  A. Frames with the HN bit set to 1
  B. Frames with the retry bit set to 0
  C. Frames transmitted from the AP without acknowledgement
  D. Retransmitted frames from multiple STAs at higher rates than other STAs
  D. Retransmitted frames from multiple STAs at higher rates than other STAs

• Question 5:

  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
  C. DSSS

• Question 6:

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

• Question 7:

  What is appended to the end of each 802.11 data frame after the payload?

  A. FCS
  B. Preamble
  C. MAC header
  D. PHY header
  A. FCS

• Question 8:

  When implementing PoE, what role is played by a switch?

  A. PD
  B. PSE
  C. Midspan injector
  D. Power splitter
  B. PSE

• Question 9:

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

• Question 10:

  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
  A. AirTime Faimess