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57 result(s)

CS206 Final Term AI Solved

Q20

In the context of computer networks, MSS stands for _____.

A) Maximum Session Service
B) Maximum Segment Size
C) Minimum Segment Size
D) Minimum Session Service

AI Explanation

MSS stands for Maximum Segment Size in TCP networking. It specifies the largest amount of TCP payload data that can be carried in a single segment.

CS206 Final Term AI Solved

Q21

____________ specifically refers to three areas of security in computer networks.

A) None of the given
B) BBB model
C) AAA model
D) CCC model

AI Explanation

The AAA model refers to Authentication, Authorization, and Accounting. These three areas address verifying identity, controlling access to resources, and tracking network activity.

CS206 Final Term AI Solved

Q22

Which file will be opened to identify name Resolution Problems in Wire shark?

A) tr-nameresolution.pcapng
B) tr-youtubebad.pcapng
C) tr-winsize.pcapng
D) tr-general.pcapng

AI Explanation

The Wireshark capture file specifically designed for examining name resolution problems is tr-nameresolution.pcapng. Opening this trace allows the relevant DNS and name-resolution traffic to be analysed.

CS206 Final Term AI Solved

Q23

___________is used to increase the advertised TCP receive buffer size, past the predefined upper limit.

A) Window Scaling
B) Window Broadcasting
C) Window Crashing
D) Window Buffering

AI Explanation

TCP Window Scaling allows the advertised receive window to exceed the standard 16-bit TCP window limit. It is particularly important for high-bandwidth or high-latency connections.

CS206 Final Term AI Solved

Q24

Which file will be opened in first step to find the top talkers in Wire shark?

A) tr-youtubebad.pcapng
B) tr-smbjoindomain.pcapng
C) tr-general.pcapng
D) tr-winsize.pcapng

AI Explanation

The Wireshark exercise for finding top talkers begins by opening the general capture file. Therefore, the first file to open is tr-general.pcapng.

CS206 Final Term AI Solved

Q25

_____________ sends the user name and password in clear text.

A) RARP
B) CHAP
C) PAP
D) ARP

AI Explanation

PAP (Password Authentication Protocol) sends the username and password in clear text during authentication. This makes PAP vulnerable to password interception compared with CHAP.

CS206 Final Term AI Solved

Q26

Which file will be opened to build a basic IO graph in Wire shark?

A) tr-youtubebad.pcapng
B) tr-general.pcapng
C) tr-winsize.pcapng
D) tr-smbjoindomain.pcapng

AI Explanation

The basic IO graph exercise in Wireshark uses the general packet capture file. Therefore, tr-general.pcapng is the appropriate file to open.

CS206 Final Term AI Solved

Q27

To protect against password theft, ___________does not send the password as clear-text.

A) RARP
B) PAP
C) ARP
D) CHAP

AI Explanation

CHAP (Challenge Handshake Authentication Protocol) protects against password theft by using a challenge-response mechanism. The password itself is not transmitted as clear text.

CS206 Final Term AI Solved

Q28

_______ is (are) part of point to point protocol.

A) PAP
B) Both PAP and CHAP
C) CHAP
D) None of the Given

AI Explanation

PAP and CHAP are both authentication protocols supported by Point-to-Point Protocol (PPP). They provide different methods for authenticating users over PPP connections.

CS206 Final Term AI Solved

Q29

Data transfer will stop when advertised TCP receive buffer value drops to _________.

A) 1000
B) 99
C) 0
D) 100

AI Explanation

TCP uses the advertised receive window to control how much data the sender may transmit. When the advertised window reaches 0, the receiver indicates that it cannot accept more data, causing normal data transfer to stop.

CS206 Final Term AI Solved

Q30

How Wireshark's detects Packet Loss_____________

A) TCP delay count process
B) TCP sequencing process
C) TCP recovery process
D) TCP re-transmission process

AI Explanation

Wireshark can identify packet loss by detecting TCP retransmissions, which occur when segments are believed to have been lost or not acknowledged. Retransmitted segments are therefore an important indicator of packet loss.

CS206 Final Term AI Solved

Q31

What type of delay is likely not felt by the end user and can be safely ignored in trace files?

A) Delay before a TCP SYN packet
B) Delay before an HTTP GET request
C) Delay before a TCP RST packet
D) Delay before a DNS query

AI Explanation

A delay before a TCP RST packet is generally not experienced as a meaningful delay by the end user because the connection is being terminated. Such delays can often be safely ignored when analysing trace files.

CS206 Final Term AI Solved

Q32

Which of the following indicates that an encrypted connection is being closed?

A) A TLS Encrypted Alert
B) A DNS query response
C) A TLS handshake initiation
D) A TCP SYN packet

AI Explanation

A TLS Encrypted Alert can indicate that an encrypted TLS connection is being closed. The alert is sent within the established encrypted session, so its contents are not normally visible without decryption.

CS206 Final Term AI Solved

Q33

How does Wireshark number each separate TCP conversation?

A) By TCP Stream Index (tcp.stream) value starting with 0
B) By IP address
C) By timestamp
D) By port number

AI Explanation

Wireshark assigns each TCP conversation a tcp.stream index. The index starts at 0 and increments for each distinct TCP stream.

CS206 Final Term AI Solved

Q34

The SMB Header section contains smb.time field which exists _____________________.

A) Neither in SMB Request nor in Response packets
B) Only in SMB Response packets
C) Only in SMB Request packets
D) In both SMB Request and Response packets

AI Explanation

The smb.time field is associated with SMB request and response processing. It can therefore be found in both SMB Request and Response packets.

CS206 Final Term AI Solved

Q35

Expert Infos button in wireshark define network problem in _________ categories.

A) 6
B) 8
C) 2
D) 4

AI Explanation

Wireshark Expert Information classifies network issues into four severity categories: Chat, Note, Warn, and Error. These categories help users quickly identify and assess potential problems in a packet capture.

CS206 Final Term AI Solved

Q36

Packet Loss Recovery Method maintains ________ for recovery of lost packet

A) Window size
B) Sequence number
C) Acknoledgments
D) Timer

AI Explanation

TCP uses sequence numbers to identify bytes in the data stream and detect missing segments. These sequence numbers allow lost packets to be identified and recovered through retransmission.

CS206 Final Term AI Solved

Q37

Which of the following Internet based application(s) can tolerate data loss?
a. File transfer
b. Live audio calling
c. Stored video streaming
d. Instant messaging
e. Interactive gaming

A) a, d and e
B) a and b only
C) b, c and e
D) c, d and e

AI Explanation

Live audio calling, stored video streaming, and interactive gaming can generally tolerate some data loss because timely delivery is often more important than perfect delivery. File transfer and instant messaging typically require reliable delivery of all data.

CS206 Final Term AI Solved

Q38

____________ file is used to obtain the round trip time (RTT) using Display Filters in Wire shark.

A) tr-chappellu.pcapng
B) tr-winsize.pcapng
C) tr-cnn.pcapng
D) None of given

AI Explanation

The Wireshark exercise for obtaining round-trip time (RTT) using display filters uses the tr-winsize.pcapng capture. This trace provides the TCP traffic needed for RTT analysis.

CS206 Final Term AI Solved

Q39

What is the first step to analyze the “No Response to Service Request” situation in Wireshark?

A) Check the network connection
B) Open the command prompt
C) Install the latest version of Wireshark
D) Open tr-serverresponse.pcapng

AI Explanation

The first step in analysing a “No Response to Service Request” situation in Wireshark is to open the relevant capture file. In this exercise, that file is tr-serverresponse.pcapng.