Web Page

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.

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

Previous GATE Questions in Computer Networks

19 votes
4 answers
126
34 votes
1 answer
130
In the IPv4 addressing format, the number of networks allowed under Class $C$ addresses is:$2^{14}$$2^{7}$$2^{21}$$2^{24}$
29 votes
4 answers
131
Which of the following transport layer protocols is used to support electronic mail?$\textsf{SMTP}$$\textsf{IP}$$\textsf{TCP}$$\textsf{UDP}$
23 votes
5 answers
133
Determine the maximum length of the cable (in km) for transmitting data at a rate of $500$ Mbps in an Ethernet LAN with frames of size $10,000$ bits. Assume the signal sp...
77 votes
8 answers
137
Suppose the round trip propagation delay for a $10\text{ Mbps}$ Ethernet having $48\text{-bit}$ jamming signal is $46.4\ \mu s$. The minimum frame size is:$94$$416$$464$$...
27 votes
5 answers
139
An organization has a class $B$ network and wishes to form subnets for $64$ departments. The subnet mask would be:$255.255.0.0$$255.255.64.0$$255.255.128.0$$255.255.252.0...