CWNP CWAP-403 Exam Practice Test Instant Access

Question 1

Which one of the following is not a valid acknowledgment frame?

ARTS

BCTS

CAck

DBlock Ack

Answer : C

Question 2

How is the length of an AIFS is calculated?

AAIFSN * Slot Time + SIFS

BSIFS * Slot Time + AIFSN

CDIFS + SIFS + AIFSN

DSIFS + AIFS * Time Unit

Answer : A

(or length) of an AIFS interval. AIFSN values are set for each access category, giving the AIFS

[AC] a shorter or longer duration, in accordance with the desired priority. This is demonstrated by the AIFS[AC]

formula:

AIFS[AC] = AIFSN[AC] aSlotTime + aSIFSTime

Question 3

What is the difference between a Data frame and a QoS-Data frame?

AQoS Data frames include a QoS control field

BQoS Data frames include a QoS information element

CQoS Data frames include a DSCP control field

DQoS Data frames include an 802.1Q VLAN tag

Answer : A

Question 4

Which one of the following is not an 802.11 Management frame?

AAction

BAuthentication

CPS-Poll

DBeacon

Answer : C

Question 5

A client is operating in an unstable RF environment. Out of five data frames transmitted to the client it only receives four. The client sends a Block Ack to acknowledge the receipt of these four frames but due to frame corruption the Block Ack is not received by the AP. Which frames will be transmitted?

AOnly the data frame which was corrupted

BBoth the corrupted data and Block Ack

CAll data frames

DOnly the Block Ack

Answer : D

Question 6

After examining a Beacon frame decode you see the SSID Element has a length of 0. What do you conclude about this frame?

AThe frame is corrupted

BThis is a common attack on WISP backend SQL databases

CThe beacon is from a BSS configured to hide the SSID

DSSID elements always have a length of 0

Answer : C

Question 7

Where would you look in a packet trace file to identify the configured Minimum Basic Rate (MBR) of a BSS?

ASupported Rates & Extended Supported Rates elements in a Beacon frame

BIn the MBR Action frame

CIn the Minimum Basic Rate Element in a Beacon frame

DIn the MBR Information Element in an Association Response frame

Answer : A

CWNP CWAP-403 Certified Wireless Analysis Professional (CWAP) Exam Practice Test