최신 CWAP-403 무료덤프 - CWNP Certified Wireless Analysis Professional

문제1

What is the function of the PHY Preamble?

A. Allows the receiver to detect and synchronize with the signal

B. To set the modulation method for the MPDU

C. Carries the NDP used in Transmit Beamforming and MU-MIMO

D. To terminate a conversation between transmitter and receiver

정답: A

문제2

How is the length of an AIFS is calculated?

A. SIFS + AIFS * Time Unit

B. SIFS * Slot Time + AIFSN

C. AIFSN * Slot Time + SIFS

D. DIFS + SIFS + AIFSN

정답: C

설명: (DumpTOP 회원만 볼 수 있음)

문제3

Prior to a retransmission what happens to the CWmax value?

A. Doubles and increases by 1

B. Increases by 1

C. Set to the value of the AIFSN

D. Reset to 0

정답: A

문제4

Where, in a protocol analyzer, would you find an indication that a frame was transmitted as part of an AMPDU?

A. The HT Operation Element

B. A-MPDU flag in the HT Control Field

C. A-MPDU flag in the Frame Control Field

D. The Aggregation flag in the Radio Tap Header

정답: B

문제5

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

A. Once created display filters are reusable for later captures

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

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

정답: B

설명: (DumpTOP 회원만 볼 수 있음)

문제6

Given: The Frame Check Sequence (FCS) is a 32 CRC used for error detection. The CRC is calculated over what?

A. PHY Header, MAC Header and Frame Body

B. Frame Body only

C. Mac Header and Frame Body only

D. PHY Header and MAC Header only

정답: C

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