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Question 15 - CWAP-404 discussion

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You are performing a multiple adapter channel aggregation capture to troubleshoot a VoIP roaming problem and would like to measure the roaming time from the last VoIP packet sent on the old AP's channel to the first VoIP packet sent on the new AP's channel. Which timing column in the packet view would measure this for you?

A.
Roaming
Answers
A.
Roaming
B.
Relative
Answers
B.
Relative
C.
Absolute
Answers
C.
Absolute
D.
Delta
Answers
D.
Delta
Suggested answer: D

Explanation:

Delta is the timing column in the packet view that measures the time difference between two consecutive packets in a capture file. Delta can be used to measure the roaming time from the last VoIP packet sent on the old AP's channel to the first VoIP packet sent on the new AP's channel by selecting these two packets and looking at their delta values. The other timing columns are not suitable for this measurement because they do not show the time difference between two specific packets. Roaming is a column that shows whether a packet belongs to a roaming event or not. Relative is a column that shows the time elapsed since the beginning of the capture file.Absolute is a column that shows the date and time when a packet was captured5Reference:

CWAP-404 Study Guide, Chapter 2: Protocol Analysis, page 57

CWAP-404 Objectives, Section 2.4: Analyze timing values

asked 16/09/2024
Mir Ali
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