CWNP CWNP Certification CWAP-403 Questions & Answers

• Question 41:

  Which one of the following is not a valid reason for an AP to fail a STAs association?

  A. Requesting station has the wrong PSK

  B. Does not support the specified authentication algorithm

  C. AP is unable to handle additional associations

  D. Requesting station does not support all the required data rates

  Correct Answer: A

• Question 42:

  How is the length of an AIFS is calculated?

  A. AIFSN * Slot Time + SIFS

  B. SIFS * Slot Time + AIFSN

  C. DIFS + SIFS + AIFSN

  D. SIFS + AIFS * Time Unit

  Correct Answer: A

• Question 43:

  What does the value of the Listen Interval field in an Association request frame indicate?

  A. How long a STA performing active scanning will listen for Probe Responses before changing channels

  B. How often a STA will go off channel to look for other BSSs

  C. How often a STA in power save mode wakes up to listen to Beacon frames

  D. How long a STA waits for an Ack before retransmitting the frame

  Correct Answer: C

• Question 44:

  How does a VoIP Phone, using WMM Power Save, request data frames buffered at the AP?

  A. The VoIP phone transmits a PS-Poll frame

  B. The VoIP phone transmits a trigger frame

  C. The VoIP phone sets the More Data bit in the MAC Header to 1

  D. The VoIP phone The VoIP transmits a WMM Action frame

  Correct Answer: B

• Question 45:

  What is encrypted within the fourth frame of the 4-Way Handshake?

  A. PMK

  B. PTK

  C. GMK

  D. GTK

  Correct Answer: D

• Question 46:

  You're the WLAN administrator for a large retailer based at the HQ in New York. The London-based office has been complaining about WLAN disconnections around lunch time each day. You suspect this might be interference from the staff microwave, how might you test your theory from the New York office?

  A. Access the microwave remotely and run a diagnostic check

  B. Ask a local member of staff to take some pictures of the microwave, including some close-ups of the door seal so that you can access it

  C. Place one of the London APs into spectrum analyzer mode and monitor the situation over lunch time

  D. Ask a local member of staff to change the frequency of the microwave and see if the disconnections stop

  Correct Answer: A

• Question 47:

  What Interframe space would be expected between a CTS and a Data frame?

  A. SIFS

  B. DIFS

  C. AIFS

  D. PIFS

  Correct Answer: A

• Question 48:

  Protocol analyzers may present field values in either binary, decimal or hexadecimal. What precedes a hexadecimal value to indicate it is hexadecimal?

  A. 0x

  B. %

  C. HEX

  D. 16x

  Correct Answer: A

• Question 49:

  What is the function of the PMD sub-layer?

  A. Converts 1s and 0s given to it by the PLCP sub-layer into the appropriate RF signals

  B. Provides framing

  C. Adds a PHY preamble and header to a PSDU

  D. Performs A-MPDU

  Correct Answer: A

• Question 50:

  What should the To DS and From DS flags be to set to in an Association Response frame?

  A. To DS = 0, From DS = 0

  B. To DS = 0, From DS = 1

  C. To DS = 1, From DS = 0

  D. To DS = 1, From DS = 1

  Correct Answer: A