CWNP Certified wireless analusis professional(cwap) Sample Questions:
1. The More Fragments subfield is found in which 802.11 frame field?
A) Frame Control field
B) MAC Service Data Unit field
C) Protocol Order field
D) Sequence Control field
E) Fragmentation Control field
2. Which is true of the Association Identifier (AID) used in 802.11 wireless LANs?
A) When bit 16 of the field is zero, the value in bits 15-0 represent the remaining duration of a frame exchange.
B) The AID has a maximum value of 2007, and resides in the duration/ID field of a PS-Poll frame only.
C) The AID has a maximum value of 2048, and is used to uniquely identify a wireless client station associated with an access point.
D) The least significant 8 bits of this field are used by the wireless client station to identify which bit in a TIM indicates that the access point has frames buffered for the wireless client station.
E) The AID is used by the access point in DCF mode to reduce duplicate transmissions when sending multicasts.
3. Which of the following parameters accurately describe the Beacon Interval field in the Beacon Management frame?
A) Indicates the exact time interval between beacon transmissions
B) Measured in time units of 1024 us
C) Value can range from 1 to 32,768
D) Indicates the desired time interval between TBTTs
E) 4-octet length
F) Measured in time units of 1 us
4. There are many wireless LAN scanners on the market such as NetStumbler, Kismet, MacStumbler, and others that can aid in finding the SSID of wireless LANs. In order to defeat the efforts of these scanners, some administrators configure their access points to stop broadcasting SSIDs in Beacons and not to respond to Probes with null (empty) SSID fields. Describe how wireless LAN protocol analyzers can circumvent this so-called
"security" solution.
A) Wireless LAN protocol analyzer software puts the radio card driver into RF Monitor mode. This mode is recognized by access points as privileged, allowing them connectivity when it would otherwise be denied.
B) Wireless LAN protocol analyzers analyze all frames on a wireless LAN. Frame types other than Beacons and Probe Responses carry the SSID information.
C) Wireless LAN protocol analyzers use a special driver, used to operate the card in promiscuous mode. Promiscuous mode is a special mode allowing the radio card to see raw data frames, instead of the filtered data frames that standard mode radio cards see.
D) Wireless LAN protocol analyzers using cards from the same manufacturer as the access point will always be able receive the SSID due to the proprietary chipset protocol extensions.
E) Wireless LAN protocol analyzers send specialized Probe Requests to which 802.11 compliant access points are required to respond with a Probe Response containing the SSID information.
5. While analyzing a small office wireless network, you notice WEP is in use. In your protocol analyzer, where would you look to view the WEP Initialization Vector (IV) information?
A) In any PPDU header Service field.
B) In any Data frame Frame Control field.
C) It is not possible to view the IV information because it is encrypted.
D) In any MPDU frame body.
E) In any Data frame Sequence Control field.
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: B | Question # 3 Answer: B,D | Question # 4 Answer: B | Question # 5 Answer: D |














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