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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 control, UDP, TCP, sockets; Application layer protocols: DNS, SMTP, HTTP, FTP, Email.

.$$\scriptsize{\overset{{\large{\textbf{Mark Distribution in Previous GATE}}}}{\begin{array}{|c|c|c|c|c|c|c|c|}\hline
\textbf{Year}& \textbf{2024-1} & \textbf{2024-2} & \textbf{2023}&  \textbf{2022} & \textbf{2021-1}&\textbf{2021-2}&\textbf{Minimum}&\textbf{Average}&\textbf{Maximum}
\\\hline\textbf{1 Mark Count} & 3&3&2& 2 &1&1&1&2&3
\\\hline\textbf{2 Marks Count} & 3&3&3& 4 &4&3&3&3.33&4
\\\hline\textbf{Total Marks} & 9&9&8& 10 &9&7&\bf{7}&\bf{8.67}&\bf{10}\\\hline
\end{array}}}$$

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Recent questions in Computer Networks

#1521
759
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I'm getting trouble to solve this Computer Network Numerical #Congestion #Packetization
Quoted Question:"Suppose you have a network with an RTT of 100ms and a packetization delay of 1ms for a maximum sized TCP segment of 1.4kB. You are using ... before the first data byte is sent. Do not consider teardown."Thanks in advance.
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#1522
329
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0 answers
0 votes
IP addressing (ipv4)
What would be the broadcast address if a host in subnet 'a' wants to broadcast a packet in network 'X'? X is a network which is divided in various subnets namely 'a', 'b', ... 'z'.
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#1523
158
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0 answers
0 votes
Corman
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#1524
547
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0 answers
0 votes
forouzan
Which signal has a wider bandwidth, a sine wave with a frequency of 100 Hzor a sine wave with a frequency of 200 Hz?
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#1525
697
views
4 answers
1 votes
MadeEasy Test Series: Computer Networks - Network Security
DH key exchange algorithm is used to establish a session between sender and receiver with n=23 and g=5. The sender's secret key is 6 and the receiver's ... the receiver and sender? Please explain with solution P.S: Answer is given as 2
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#1526
925
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0 answers
3 votes
MadeEasy Workbook: Computer Networks - Sliding Window
Consider a sliding window protocol operating at the data link layer between two stations 1000kilometers apart, directly connected by an error-free 1.0 Mbps link. The frame ... size of W = 10 is used, then the efficiency of the channel is
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#1527
342
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0 answers
0 votes
Online
What will the congestion window size after 4 RTTs be provided the congestion window is assigned to 1 MSS(=512B) initially?My approach:First transmission: 1 MSS=512 B are ... =4096 B.Ans given is 2560 B . Please correct me if I am wrong.
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#1528
305
views
1 answers
0 votes
Computer network
we know that router is a 3 layer device (upto network layer)....then how it runs RIP,OSPF protocol for routing protocol ????i mean routing protocol runs on transport layer(because they uses UDP/TCP).....how it is possible??
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#1529
218
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0 answers
1 votes
ME_Test_CSMA/CD
I was not convinced by the solution provided so, I made my own analysis.Given propagation delay is 225-bit times, and since bandwidth is $10^7 bps$ ... $50 \mu s$ ?
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#1530
1.2k
views
2 answers
1 votes
Bit stuffing
A message M = 11111111 after bit stuffing with End delimeter as 111 will be sent as____________?
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#1531
8.2k
views
0 answers
0 votes
frozen chapter 19 Ex. 19.10
An ISP is granted a block of addresses starting with 190.100.0.0/16 (65,536 addresses). The ISPneeds to distribute these addresses to three groups of ... 24,576In this question I am not able to understand how they divide the groups
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#1532
582
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1 answers
0 votes
Ethernet
In Ethernet the header size is 26 Bytes. Can anybody explain me how it is?
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#1533
2.0k
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2 answers
1 votes
ip addressing
A host in a subnet has the IP address 130.83.126.10. How many hosts can be addressed in network?Here subnet mask is not given .please explain brieflly.
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#1534
336
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0 answers
0 votes
ip addressing
The subnet mask for a particular network is 255.255.31.0 . Which of the following pairs of IP addresses could belong to this network?a) 172.57.88.62 and 172. ... .234.31.88d) 128.8.129.43 and 128.8.161.55Explain briefly with valid points.
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#1535
812
views
1 answers
1 votes
GATE syllabus
Does TDM, pooling, Token Ring access control method in GATE 2019 Syllabus?
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#1536
419
views
1 answers
0 votes
Doubt in networking
Except reliability and connection oriented what are the other functionalities which are produced by TCP but not by UDP?
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#1537
1.1k
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1 answers
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Doubt in networking
What is the difference between host to host network connection and end to end network connection? Why host to host connection for network layer and end to end connection for transport layer?
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#1538
167
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0 answers
0 votes
Doubt in networking
I have a small doubt about throughput concept in TDM. Can you explain howThroughput of LAN = number of stations in LAN * Throughput of each station. (Throughput is in bits per second )
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#1539
227
views
1 answers
0 votes
Made easy testseries
Application layer entity wants to send 500 byte message to its peer process , using an existing TCP connection . The TCP segment consists of the message plus 20 ... the transmitted bits in physical layer is correspond to message is ??????
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#1540
241
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1 answers
0 votes
Ethernet
For gigabit ethernet , the length of the cable , if length of the cable in standard ethernet L(2000) to maintain same frame size is???
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