1
GATE CSE 2024 Set 1
MCQ (More than One Correct Answer)
+1
-0.33

TCP client P successfully establishes a connection to TCP server Q. Let $N_P$ denote the sequence number in the SYN sent from P to Q. Let $N_Q$ denote the acknowledgement number in the SYN ACK from Q to P. Which of the following statements is/are CORRECT?

A

The sequence number $N_P$ is chosen randomly by P

B

The sequence number $N_P$ is always 0 for a new connection

C

The acknowledgement number $N_Q$ is equal to $N_P$

D

The acknowledgement number $N_Q$ is equal to $N_P + 1$

2
GATE CSE 2023
MCQ (Single Correct Answer)
+1
-0.33

Suppose two hosts are connected by a point-to-point link and they are configured to use Stop-end-Wait protocol for reliable data transfer. Identify in which one of the following scenarios, the utilization of the link is the lowest.

A
Longer link length and lower transmission rate
B
Longer link length and higher transmission rate
C
Shorter link length and lower transmission rate
D
Shorter link length and higher transmission rate
3
GATE CSE 2022
Numerical
+1
-0.33

Consider a 100 Mbps link between an earth station (sender) and a satellite (receiver) at an altitude of 2100 km. The signal propagates at a speed of 3 $$\times$$ 108 m/s. The time taken (in milliseconds, rounded off to two decimal places) for the receiver to completely receive a packet of 1000 bytes transmitted by the sender is _____________.

Your input ____
4
GATE CSE 2022
Numerical
+1
-0.33

Consider the data transfer using TCP over a 1 Gbps link. Assuming that the maximum segment lifetime (MSL) is set to 60 seconds, the minimum number of bits required for the sequence number field of the TCP header, to prevent the sequence number space from wrapping around during the MSL is ___________.

Your input ____
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