Question 1

How do you quickly spot large gapsin time between packets in a trace file containing 6,000 packets?

Options :

A : Open and examine Wireshark'sExpert Infoswindow.

B : Look for packets colorized based on Wireshark-s default coloring rule for high delta times.

C : Set the Time column toSeconds Since Beginning of Captureand scroll through the trace file.

D : Set the Time column toSeconds Since Previously Displayed Packetand sort the Time column.

Answer: D

Question 2

Mark the capture filter for HTTP traffic

Options :

A : http

B : tcp.port == 80

C : udpport ==80

D : tcp port http

Answer: D

Question 3

Choose a correct statement for the packet details as given in below image

Options :

A : The packet details are related to a FTP upload packet

B : The packet details are related to a DNS query packet

C : The packet details are related to a DNS response packet

D : The packet details are related to a FTP download packet

Answer: C

Question 4

What is the use of ARP protocol in the network ?

Options :

A : responsible for gathering various information required for internet communication.

B : mapping of an IP address to the underlying Ethernet address.

C : routing protocol for Internet Protocol (IP) networks.

D : communications protocol between two routers directly without any host or any other networking in between.

Answer: B

Question 5

Identify a correct statement related to TCP recovery process.

Options :

A : Re-transmitted packets use the same sequence number as the original lost packet.

B : The window size field is used in the packet loss recovery process.

C : TCP hosts attempt three re-transmissions before terminating the connection.

D : Packet loss recovery is always started by the client.

Answer: A

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