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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

#1541
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2 answers
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TCP CONGESTION CONTROL
Let the size of congestion window of a TCP connection be 32KB , when the time out occurs , maximum segment size used is 2KB , if the time taken by TCP connection to get 32KB congestion window is 440 msec then the RTT of connection is ???
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#1542
1.7k
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1 answers
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Made Easy Workbook - Computer Networks
Consider two machines, A and B, connected by a 100 Mbps Ethernet with three store and forward relay switches in path between them. Suppose that no other machines ... from transmission of first bit from A to receipt of last bit at B?
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#1543
1.8k
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1 answers
1 votes
Made Easy Workbook - Computer Network
The round trip propagation delay for a 100Mbps Ethernet having 48-bit jamming signal is 64 ms. What is the minimum frame size (in bytes)?
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#1544
396
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1 answers
0 votes
flow control protocol
for stop and wait ARP,for n data packets sent ___acknowledgements needed.
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#1545
865
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1 answers
1 votes
MadeEasy Workbook: Computer Networks - Network Flow
If two stations A and B uses copper twisted pair cable having capacity 200 bits/sec. if A transmitted 20 frames to B each of size 50 bits, Assume RTT is ... ) required to transmit the single frame from A to B if pipelining has been used?
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#1546
934
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1 answers
0 votes
Made Easy Workbook - Computer Network
In a Hub based lan system collision is detected bya) Hubb) Transmitting nodec) Hub and Transmitting Noded) Recieving Node
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#1547
2.5k
views
1 answers
1 votes
MadeEasy Workbook: Computer Networks - Network Communication
What signal-to-noise ratio is needed to put a T1 carrier on a 50-kHz line?
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#1548
573
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0 answers
0 votes
Cryptography Topics in Syllabus
Are the following topics there in Syllabus?Digital SignaturesElgamal Digital Signature SchemeSchnorr Digital Signature SchemeMessage Authentication CodesData ... CryptographySecure Hash Algorithm (SHA)Message Authentication Codes(MAC)
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#1549
808
views
1 answers
2 votes
RPSC Programmer Exam 2013
A local area network operates Ethernet with CSMA/CD mechanism and runs at a transmission rate of 8 Mbps and a one-way signal propagation time of ... collisions?1. 125 microseconds. 2. 625 microseconds3. 800 microseconds4. 1600 microseconds.
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#1550
944
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0 answers
0 votes
Concept of layering
Sir i have a doubt in data link layer. I read somewhere DLL takes packet from Network Layer and split into frame. And i also read DLL takes raw ... layer?..Please explain with example how data flow in networking starting from source.
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#1551
126
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0 answers
0 votes
Test Series
Consider Host-A want to transmit data of size 105000 B to Host-B. The communication between Host-A and Host-B is birectional with bandwidth of link between ... this transfer if stop wait protocol with pipelining is used ________. (in KBps)
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#1552
340
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0 answers
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#KUROSE computer network
While reading Kurose book of Computer Network, application layer, about throughput i came across a sentence"There'san adage that says that one cannot be too rich, ... and why can't we have /what is the disadvantage of very high throughput?
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#1553
120
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0 answers
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REGARDING SYLLABUS
ICMPV6 neighbor discovering protocol is in syllabus ???
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#1554
232
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1 answers
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Test Series
Consider the size of congestion window of a TCP connection be 36 KB when a timeout occurs. The round trip time of the connection is 200 μsec and the maximum ... the time taken by the TCP connection to get back to 36 KB congestion window?
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#1555
828
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1 answers
0 votes
You have a class B network with 12bit subnet and how many hosts per shbnet
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#1556
6.7k
views
3 answers
2 votes
Sliding window protocol
Station A needs to send a message consisting of 10 packets to station B using a sliding window of size 4. All packets are ready and can be transferred immediately. ... repeat and GBN respectively to ensure safe delivery to B. Then x+y= ?
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#1557
1.8k
views
1 answers
2 votes
Data Link Layer
What is the channel capacity of printer (in bps) with a 400Hz bandwidth and a signal to noise ratio is 7 dB?
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#1558
1.6k
views
2 answers
1 votes
Data Link Layer
The distance b/w two microwave towers, with the link capacity 100 Mbps, is 24 km and the speed of the signal is 3 x 10^8 m/sec. If the frame size ... in the size and there are no errors during communication.a. 33%b. 50%c. 66%d. 75%
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#1559
13.2k
views
2 answers
1 votes
Forouzon
An ISP is granted a block of addresses starting with 120.60.4.0/22. The ISP wants to distribute these blocks to 100 organizations with each ... each subblock. Find out how many addresses are still available after these allocations.
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#1560
260
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1 answers
0 votes
LAN Technology
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