WCNA Wireshark UPDATED Exam Questions and CORRECT Answers
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Course
WCNA Wireshark
Institution
WCNA Wireshark
WCNA Wireshark UPDATED Exam
Questions and CORRECT Answers
From which timer are Wireshark timestamps taken? - CORRECT ANSWER- from the
computer time
What is the delta time in Wireshark? - CORRECT ANSWER- the time spent for a packet to
go from the source to the destination and then back.
T/F...
WCNA Wireshark UPDATED Exam
Questions and CORRECT Answers
From which timer are Wireshark timestamps taken? - CORRECT ANSWER- from the
computer time
What is the delta time in Wireshark? - CORRECT ANSWER- the time spent for a packet to
go from the source to the destination and then back.
T/F: the time format is fixed and can not be adjusted in Wireshark - CORRECT ANSWER-
False.
"T/F: There are only two types of timestamps: related time, absolute time - CORRECT
ANSWER- False
In which measurement unit are Wireshark timestamps? - CORRECT ANSWER- in
millisecond
T/F: Measurement unit of Wireshark timestamps can be changed to nanoseconds -
CORRECT ANSWER- True.
What are some types of timestamps in Wireshark? - CORRECT ANSWER- absolute time,
related time, time from last captured packet, time from last displayed packet, time from the
beginning of the capture
T/F: Capture filters and display filters create the same amount of captured packets. -
CORRECT ANSWER- False. With capture filters we have less packets because we tell
Wireshark to capture only the packets that correspond to the filter. A display filter prevents
packets from being displayed; The capture itself is intact.
T/F: Capture filters are predefined and can not be modified. - CORRECT ANSWER- False.
Users can define new capture filters
, T/F: Configuration profiles are not flexible. - CORRECT ANSWER- False. A network
administrator can add as may configuration profiles as needed.
T/F: Coloring in Wireshark can only be temporary - CORRECT ANSWER- False. There are
both possibilites: temporary coloring, and permanent coloring with Coloring Rules
T/F: There is a mode in Wireshark called "specialist" - CORRECT ANSWER- False. It is
called "expert mode"
What is the best network location to place a wireshark station? - CORRECT ANSWER- as
close to the source of packets as possible.
How to switch between Configuration Profiles in Wireshark? - CORRECT ANSWER- Edit -
> Configuration Profiles
What are the steps of a Wireshark troubleshooting session? - CORRECT ANSWER- plan,
capture, analyse, repeat
What are the steps of a Wireshark security analysis? - CORRECT ANSWER- plan, capture,
analyse, secure, document.
True/False: Wireshark can not help in identifying network devices queuing delays -
CORRECT ANSWER- False.
What is the recommended format when saving Wireshark traces and why? - CORRECT
ANSWER- pcapng, because it allows to save packet comments.
What must a network analysist consider in terms of law? - CORRECT ANSWER- that some
companies require an explicitly written permission to analyse their network, because it may
contain sensitive or confidential data.
Which of these network devices do change the MAC address source and/or destination of an
Ethernet frame header: router, switch, firewall? - CORRECT ANSWER- router, firewall.
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