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Recent questions tagged computer-networks

Recent questions tagged computer-networks
0 votes
0 answers 44 views
https://gateoverflow.in/348346/Gate-overflow-computer-networks-1-2
pradeep_reddy asked in Computer Networks Dec 19, 2021
by pradeep_reddy
5 points
44 views
0 votes
0 answers 66 views
Applied gate test series
Suppose a router receives a 1500Byte ipv4 packet with a 20 B IP header, ip id X, MF = 1 and DF=0 .it needs to forward it out a link with a 1000 bytes MTU .what should be the length and flegs fields(ie. MF and DF) of the header of the 2nd fragment contain.
Enolx.21 asked in Computer Networks Sep 4, 2021
by Enolx.21
53 points
66 views
0 votes
0 answers 28 views
TCP sliding window question
can anyone please help with this question. Unable to understand why answer is 4? @arjun sir @bikram sir
rish1602 asked in Computer Networks Jul 1, 2021
by rish1602
9 points
28 views
0 votes
0 answers 24 views
#Self-Doubt Network Security in Computer networks
hi i want to ask that “network security” in computer networks is necessary for gate 2022 or not ? cause gate 2021 syllabus have not so can i do for sake of completing or left that topic. thank you
ykrishnay asked in Computer Networks Jun 30, 2021
by ykrishnay
103 points
24 views
0 votes
0 answers 48 views
Computer Networking: A Top-down Approach
#Fragmentation How will a Datagram packet react (fragment or drop packet ) when it's Do not fragment is set true and the MTU of it's own network is less, is this case possible? Sender can fragment it's packet based on the MTU of Data link layer
Shakyaji asked in Computer Networks Jun 26, 2021
by Shakyaji
5 points
48 views
0 votes
0 answers 58 views
Lecturer In Information Technology Kerala PSC-2015
Midhun K R asked in Computer Networks Jun 21, 2021
by Midhun K R
5 points
58 views
0 votes
0 answers 59 views
Lecturer In Information Technology
An HTML form is to be designed to enable purchases of office stationery.Required items are to be selected(Checked).Credit card details are to be entered and then the submit button is to be pressed.Which of the following options would be appropriate for ... that is transparent to form design. A.Only GET B.Only POST C.Either GET or POST. D.Neither GET nor POST.
Midhun K R asked in Computer Networks Jun 21, 2021
by Midhun K R
5 points
59 views
0 votes
0 answers 29 views
Forouzan's Sliding Window Numerical
I was scrolling through sample questions when I chanced over this question. Consider a sliding window flow control protocol between hosts A and B. Suppose the link propagation delay is 1 time unit, the retransmission timeout is 3 time units ... I would really appreciate any help regarding this question. Also, can someone please leave a link to similar questions?
tuhinnn_py asked in Computer Networks Jun 15, 2021
by tuhinnn_py
5 points
29 views
0 votes
0 answers 40 views
Go Back N flow control
I had a doubt regarding one scenario in Go Back N flow control algorithm. Consider the following scenario shown in the image The left hand side is the sender and the right hand side is the reciever. I referred to Kurose Ross Extended FSM Description of GBN sender ... window(packets 1, 2 and 3). Is this correct? Can such a scenario even occur in real life? Thanks in advance.
punter147 asked in Computer Networks Jun 12, 2021
by punter147
5 points
40 views
0 votes
0 answers 27 views
#forozoun#tannenbaum#computernetworks#syllabus#flowcontrol#errorcontrol
Dr Regina Phalange asked in Computer Networks Jun 12, 2021
by Dr Regina Phalange
5 points
27 views
0 votes
0 answers 14 views
#Self Doubt #TCP header #flags
Do TCP packets with PSH flag set, which are immediately pushed to the Application layer arrive out of order?
Saswat_17 asked in Computer Networks May 19, 2021
by Saswat_17
5 points
14 views
0 votes
0 answers 27 views
i dont know its a assignment
If the bandwidth is 100 Mbps, round trip time is 50sec and the frame size is 25 bits. Calculate (i) Window size used in selective repeat ARQ. (ii) Number of sequence bits in selective repeat ARQ.
nim_nambi asked in Computer Networks May 15, 2021
by nim_nambi
5 points
27 views
0 votes
0 answers 64 views
Finding optimal window size
Finding Optimal Window Size In Slinding Window Protocol. Given Round trip time(RTT sec), Bandwidth(BW bits/sec), packet size(L bits), which approch is right? Approch 1. max data that can be sent in RTT = RTT * BW bits max window size = (RTT * BW)/L ... = (1 + 2a) packets; a=Tp/Tt Some problems are sloved with approch 1 and others with 2nd one. Which one should we use?
jaswanth431 asked in Computer Networks May 11, 2021
by jaswanth431
5 points
64 views
0 votes
0 answers 17 views
#SELF DOUBT -can a host simultaneously exist in two different network
abhijeet at asked in Computer Networks Apr 17, 2021
by abhijeet at
9 points
17 views
2 votes
4 answers 878 views
GATE CSE 2021 Set 2 | Question: 7 | Video Solution
Arjun asked in Computer Networks Feb 18, 2021
by Arjun
1.4k points
878 views
4 votes
2 answers 2.1k views
GATE CSE 2021 Set 1 | Question: 29 | Video Solution
Arjun asked in Computer Networks Feb 18, 2021
by Arjun
1.4k points
2.1k views
5 votes
3 answers 1.2k views
GATE CSE 2021 Set 1 | Question: 45 | Video Solution
Arjun asked in Computer Networks Feb 18, 2021
by Arjun
1.4k points
1.2k views
0 votes
0 answers 36 views
Made easy question about sliding window protocol
Options are: 8,4,6,7. This is a multiple correct question. Answer as per key is 8,6,7 Their explanation is this: My doubt: if the window size is 8, then why does the sender wait for acknowledgement after sending 3 packets? It can send more without waiting.
ytheuyr asked in Computer Networks Feb 7, 2021
by ytheuyr
2 points
36 views
0 votes
0 answers 44 views
Supernetting Rules (Self Doubt)
I have read rules of supernetting from a few sources and have got conflicting information. this (3:20) , this and this say that the rules are: 1.All the Networks should be contiguous. 2.The block size of every networks should be equal ... 2 and first address being divisible by "number of blocks" in the supernet. What is going wrong? Am I missing something?
shantanu4raje asked in Computer Networks Feb 5, 2021
by shantanu4raje
25 points
44 views
0 votes
0 answers 24 views
Computer network (self doubt)
In datagrams fragmentation occurs at routers. What about in virtual circuits? As CPU bandwidth and buffers are reserved, is there a chance for fragmentation to occur in router?
Kishore7 asked in Computer Networks Jan 9, 2021
by Kishore7
5 points
24 views
0 votes
1 answer 116 views
Applied Gate Test Series Computer Network
badman asked in Computer Networks Jan 8, 2021
by badman
9 points
116 views
0 votes
0 answers 24 views
#made-easy #computer-networks
consider the following figure of connection release.what will be B values ,if A is 21? in ans it is given 52.but it should be 51 bcz in connection release server sends FIN+ACK packet but ack packet does not consume any sequence number.Am i correct?
404 found asked in Computer Networks Dec 29, 2020
by 404 found
41 points
24 views
0 votes
0 answers 17 views
Made Easy Test Series
Abhisheksmile94 asked in Computer Networks Dec 24, 2020
by Abhisheksmile94
347 points
17 views
0 votes
0 answers 279 views
Ace Test Series
How many maximum numbers of hosts can be connected to in a LAN, having three 6 port switches… The answer given is 14 but I suspect.
vipin.gautam1906 asked in Computer Networks Dec 14, 2020
by vipin.gautam1906
9 points
279 views
0 votes
0 answers 77 views
Applied Gate Course CN- Topic Wise Test
Group of user stations(N) share a 56Kbps pure aloha channel .Each Station outputs a 1000 bits frame on an average of once every 100sec(stations are buffered). What is the max value of N?
samir757 asked in Computer Networks Dec 12, 2020
by samir757
29 points
77 views
0 votes
0 answers 22 views
While considering the wrap around time, why are the headers not considered?
HitechGa asked in Computer Networks Dec 12, 2020
by HitechGa
9 points
22 views
0 votes
0 answers 41 views
https://www.gatevidyalay.com/go-back-n-practice-problems/
bj293 asked in Computer Networks Dec 9, 2020
by bj293
5 points
41 views
0 votes
0 answers 129 views
Made Easy Test Series 2021
Let N station share 40kbps of a pure aloha channel.Frame size is 512 bits which are sent at every 40 seconds. The maximum value of N is _______
Veda Pradhan asked in Computer Networks Dec 2, 2020
by Veda Pradhan
11 points
129 views
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