CWAP-403 Online Practice Questions and Answers

In the 2.4 GHz band, what data rate are Probe Requests usually sent at from an unassociated STA?

A. The minimum basic rate

B. 1 Mbps

C. 6 Mbps

D. MCS 0

How many frames make up the Group Key Handshake excluding any Ack frames that may be required?

A. 1

B. 2

C. 3

D. 4

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

A. Supported Rates and Extended Supported Rates elements in a Beacon frame

B. In the MBR Action frame

C. In the Minimum Basic Rate Element in a Beacon frame

D. In the MBR Information Element in an Association Response frame

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

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?

A. Only the data frame which was corrupted

B. Both the corrupted data and Block Ack

C. All data frames

D. Only the Block Ack

What is an AIFS?

A. A form of aggregation performed at the PLCP sub-layer

B. The shortest period of time a STA can sleep

C. A medium access method introduced by 802.11n, but never implemented

D. A variable Interframe Space introduced by802.11e to help prioritize medium access for different Access Categories

When would you expect to see a Reassociation Request frame?

A. Every time a STA associates to an AP to which it has previously been associated

B. Only when a STA is using FT roaming

C. Only when a STA roams back to an AP it has previously been associated with

D. Every time a STA roams

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

A. RTS

B. CTS

C. Ack

D. Block Ack

Prior to a retransmission what happens to the CWmax value?

A. Reset to 0

B. Doubles and increases by 1

C. Increases by 1

D. Set to the value of the AIFSN

Which one of the best following is an advantage of using display filters instead of capture-time filters?

A. Display filters allow for focused analysis on just the packets of interest

B. Once created display filters are reusable for later captures

C. Display filters only hide the packets from view and the filtered packets can be enabled for view later

D. Multiple display filters can be applied simultaneously