GATE CS 2019 — Question 21
Consider that 15 machines need to be connected in a LAN using 8-port Ethernet switches. Assume that these switches do not have any separate uplink ports. The minimum…
Subject-wise GATE questions
Computer Networks
11 questions and papers
GATE CS 2019 — Question 9
Consider three machines \(M\), \(N\) and \(P\) with IP addresses 100.10.5.2, 100.10.5.5 and 100.10.5.6 respectively. The subnet mask is set to 255.255.255.252 for all the three machines. Which…
GATE CS 2017 Set 2 — Question 10
Consider a TCP client and a TCP server running on two different machines. After completing data transfer, the TCP client calls close to terminate the connection and a…
GATE CS 2018 — Question 47
Consider a long-lived TCP session with an end-to-end bandwidth of 1 Gbps (= \(10^{9}\) bits-per-second). The session starts with a sequence number of 1234. The minimum time (in…
GATE CS 2016 Set 1 — Question 52
A sender uses the Stop-and-Wait ARQ protocol for reliable transmission of frames. Frames are of size 1000 bytes and the transmission rate at the sender is 80 Kbps…
GATE CS 2015 Set 1 — Question 52
Consider a network connecting two systems located 8000 km apart. The bandwidth of the network is \(500 \times 10^{6}\) bits per second. The propagation speed of the media is \(4 \times 10^{6}\) meters per second. It is needed to design a…
GATE CS 2014 Set 1 — Question 47
Consider a selective repeat sliding window protocol that uses a frame size of 1 KB to send data on a 1.5 Mbps link with a one-way latency of…
GATE CS 2013 — Question 24
Assume that source \(S\) and destination \(D\) are connected through two intermediate routers labelled \(R\), as shown below:S --- R --- R --- DDetermine how many times each…
GATE CS 2012 — Question 52
Consider a source computer \(S\) transmitting a file of size \(10^{6}\) bits to a destination computer \(D\) over a network of two routers \(R_1\) and \(R_2\) and three…
GATE CS 2008 — Question 55
A computer on a 10 Mbps network is regulated by a token bucket. The token bucket is filled at a rate of 2 Mbps. It is initially filled…
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