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Concept of layering.OSI and TCP/IP Protocol Stacks; Basics of packet, circuit and virtual circuit-switching; Data link layer: framing, error detection, Medium Access Control, Ethernet bridging; Routing protocols: shortest path, flooding, distance vector and link state routing; Fragmentation and IP addressing, IPv4, CIDR notation, Basics of IP support protocols (ARP, DHCP, ICMP), Network Address Translation (NAT); Transport layer: flow control and congestion controlUDPTCP, sockets; Application layer protocols: DNS, SMTP, HTTP, FTPEmail.

.$$\scriptsize{\overset{{\large{\textbf{Mark Distribution in Previous GATE}}}}{\begin{array}{|c|c|c|c|c|c|c|c|}\hline
\textbf{Year}& \textbf{2022} & \textbf{2021-1}&\textbf{2021-2}&\textbf{2020}&\textbf{2019}&\textbf{2018}&\textbf{2017-1}&\textbf{2017-2}&\textbf{2016-1}&\textbf{2016-2}&\textbf{Minimum}&\textbf{Average}&\textbf{Maximum}
\\\hline\textbf{1 Mark Count} & 2 &1&1&2&1&3&2&3&2&3&1&2&3
\\\hline\textbf{2 Marks Count} & 4 &4&3&2&4&2&3&1&4&3&1&3&4
\\\hline\textbf{Total Marks} & 10 &9&7&6&9&7&8&5&10&9&\bf{5}&\bf{8}&\bf{10}\\\hline
\end{array}}}$$

Recent questions in Computer Networks

1 votes
2 answers
3331
Consider a subnet mask 255.255.255.42 for a network 192.198.191. A data packet has arrived with destination IP as 192.198.191.121. The Broadcasting address of the subnet ...
2 votes
3 answers
3332
round trip delay is 160ms and bottlenect BW is 256kbps.sender uses sliding window protocol to send 64bytes packet.optimal window size that sender should use is : (in pack...
1 votes
1 answer
3333
The best effort delivery services such as an IP does not include:a. error checkingb. datagram acknowledgmentc. error correctiond. all of theseerror checking iis same as e...
2 votes
1 answer
3337
2 votes
2 answers
3338
0 votes
0 answers
3340
Q. which of the following is incorrect about User datagram protocol ???A. UDP is unreliable transport protocol.B. There is no window mechanism in UDP.C. there is a robust...
1 votes
0 answers
3341
0 votes
1 answer
3342
Q. which of the device is used to connect similar LAN with protocol??A. BridgesB. routerC. switchD. gateways
1 votes
0 answers
3343
1 votes
1 answer
3344
Q.If one link fails, the entire network can be disabled in A. Mesh Topology B. Bus TopologyC. Star Topology D..Bus and Ring Topology
1 votes
1 answer
3345
0 votes
1 answer
3346
A network has B bandwidth and a sender is sending data of length L. If there are N intermediate routers from sender to destination, approximate delay will beA.2 NL/BB. NL...
0 votes
0 answers
3347
1 votes
1 answer
3350