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Recent questions tagged flow-control-methods
1
vote
1
answer
1
[email protected]
2023 Test Series
Answer a,b,c,d
Amit Mehta
asked
in
Computer Networks
Oct 20, 2022
by
Amit Mehta
103
views
true-false
flow-control-methods
zeal-test-series
0
votes
0
answers
2
Test series question(Aceacademy)
Can someone explain it to me as to why in selective repeat it's not possible for an acknowledgment to come for a packet that falls outside the current window? Because it may be possible that there is some delayed acknowledgment. It's possible ... I feel is not possible because here we are talking about cumulative ack not independent. So how is this reason valid?
Ananya Nayak
asked
in
Computer Networks
Dec 25, 2021
by
Ananya Nayak
165
views
computer-networks
flow-control-methods
selective-repeat
0
votes
1
answer
3
Andrew S. Tanenbaum Edition 5th Exercise 3 Question 34 (Page No. 254)
Consider an error-free 64-kbps satellite channel used to send 512-byte data frames in one direction, with very short acknowledgements coming back the other way. What is the maximum throughput for window sizes of 1, 7, 15, and 127? The earth-satellite propagation time is 270 msec.
ajaysoni1924
asked
in
Computer Networks
Mar 16, 2019
by
ajaysoni1924
630
views
computer-networks
tanenbaum
data-link-layer
flow-control-methods
0
votes
1
answer
4
Andrew S. Tanenbaum Edition 5th Exercise 3 Question 22 (Page No. 253)
A 3000-km-long T1 trunk is used to transmit 64-byte frames using Protocol GO back N. If the propagation speed is 6 μsec/km, how many bits should the sequence numbers be?(refer Tanenbaum)
ajaysoni1924
asked
in
Computer Networks
Mar 16, 2019
by
ajaysoni1924
1.9k
views
computer-networks
tanenbaum
data-link-layer
flow-control-methods
0
votes
0
answers
5
Gateforum mock 2
Prince Sindhiya
asked
in
Computer Networks
Jan 20, 2019
by
Prince Sindhiya
240
views
flow
flow-control-methods
0
votes
1
answer
6
cbt-1
A Selective Repeat ARQ is using 7 bits to represent the sequence numbers.The maximum window size is __________. (ans is 64) why It is
mrinmoyh
asked
in
Computer Networks
Jan 17, 2019
by
mrinmoyh
2.1k
views
computer-networks
flow-control-methods
cbt-2019
0
votes
0
answers
7
ME_test_series
Assume in TCP client is sending segment to server. After successfully receiving segments from client, server is waiting for next segments and clients is also waiting for acknowledgment from the server and this lead to deadlock situation. Which timer is used and who ... timer, client Keep alive timer, client I am not understand how persistent timer is used and what is it used for?
Shivam Kasat
asked
in
Computer Networks
Jan 13, 2019
by
Shivam Kasat
902
views
computer-networks
flow-control-methods
0
votes
0
answers
8
MadeEasy Subject Test 2019: Computer Networks - Flow Control Methods
Here in LIST—II,i think point 1,2 is true for all the protocols. please confirm!
junaid ahmad
asked
in
Computer Networks
Dec 22, 2018
by
junaid ahmad
280
views
made-easy-test-series
computer-networks
flow-control-methods
0
votes
1
answer
9
MadeEasy Subject Test 2019: Computer Networks - Flow Control Methods
Some one please explain the concept behind this.
Markzuck
asked
in
Computer Networks
Dec 21, 2018
by
Markzuck
411
views
made-easy-test-series
computer-networks
flow-control-methods
0
votes
0
answers
10
MadeEasy Subject Test 2019: Computer Networks - Flow Control Methods
for Transmission delay, 2KB, K shall be 1024 and NOT 1000 as its data, right?
Markzuck
asked
in
Computer Networks
Dec 17, 2018
by
Markzuck
298
views
made-easy-test-series
computer-networks
flow-control-methods
3
votes
2
answers
11
MadeEasy Test Series: Computer Networks - Flow Control Methods
Assume 2 computers are connected via a network. The network uses Go-Back 7 sliding window protocol for maintaining flow control. It is observed that every 5th packet that has been sent through the network is lost. ... number of extra packets that has to be resent for transmitting 10 such packet through the network? With explanation.
Subham Nagar
asked
in
Computer Networks
Dec 17, 2018
by
Subham Nagar
1.9k
views
made-easy-test-series
computer-networks
flow-control-methods
go-back-n
2
votes
1
answer
12
MadeEasy Subject Test 2019: Computer Networks - Flow Control Methods
consider a network connecting two nodes A and B having a propagation delay of 6*10^-4 micro sec.bandwidth of network is 150 Mbps if each frame size is 5000 bytes and both uses go back n sliding window protocal, where maximum 100 frames can be sent at a time then the maximum possible data rate is ----- [ mbps]
suneetha
asked
in
Computer Networks
Dec 9, 2018
by
suneetha
1.2k
views
made-easy-test-series
computer-networks
flow-control-methods
sliding-window
1
vote
1
answer
13
TCP-Flow Control
Suppose host A is sending a large file to host B over a TCP connection. The two end hosts are 10msec apart (20msec RTT) connected by a 1Gbps link. Assume that they are using a packet size of 1000 bytes to transmit the file. Also assume for simplicity that ACK ... $W_s \gt 2000.8$(Window Size) And hence my answer came 2001. Is it correct?
Ayush Upadhyaya
asked
in
Computer Networks
Nov 10, 2018
by
Ayush Upadhyaya
451
views
computer-networks
flow-control-methods
2
votes
0
answers
14
MIT assignment
A geosynchronous satellite has a half-duplex channel with a transmission rate of 10 kbps and a propagation delay of 0.25 sec each way. With a data packet size of 1000 bits and a loss probability p of 0.001 ,(A) what is the expected transmission time of ... parameters are the same as part (a), what is the longest channel propagation delay for which we can still use stop-and-wait?
sushmita
asked
in
Computer Networks
Oct 15, 2018
by
sushmita
711
views
computer-networks
network-flow
flow-control-methods
stop-and-wait
data
data-link-layer
0
votes
0
answers
15
flow control
A series of 1000 bit frames is to be transmitted across a data link 100 km in length at 20 Mbps. If the link has a velocity of propagation 2*10^8 m/s and BER is 2*10 ^-5, then the link utlization for i. selective repeat with send window w=10 ii. go back n with send window w =10 is a) 34%,46% b)46%,20% c)46%,34% d)20%,46%
balaganesh
asked
in
Computer Networks
Oct 6, 2018
by
balaganesh
771
views
computer-networks
flow-control-methods
please
1
vote
1
answer
16
flow control
Host A is sending data to host B over a full duplex link. A and B are using the sliding window protocol for flow control. The send and receive window sizes are 4 packets each. Data packets (sent only from A to B) are all 1500 bytes long and the transmission time ... What is the maximum achievable throughput in this communication? 3.75 10^6 Bps 7.5 10^6 Bps 10 10^6 Bps 12.75 10^6Bps
balaganesh
asked
in
Computer Networks
Oct 5, 2018
by
balaganesh
936
views
computer-networks
flow-control-methods
0
votes
1
answer
17
Flow control methods
Sambhrant Maurya
asked
in
Computer Networks
Sep 17, 2018
by
Sambhrant Maurya
351
views
computer-networks
stop-and-wait
flow-control-methods
1
vote
3
answers
18
Ace Test Series: Computer Networks - Flow Control Methods
thor
asked
in
Computer Networks
Dec 7, 2016
by
thor
262
views
ace-test-series
computer-networks
flow-control-methods
sliding-window
2
votes
1
answer
19
MadeEasy Test Series: Computer Networks - Flow Control Methods
Assume 100 nodes are connected to a 10000 meter length of coaxial cable. Using some protocol, each node can transmit 100 frames/seconds, where the average frame length is 2500 bits. The transmission rate of the system is 108 bps. The efficiency of the protocol in percentage is _______. Answer given :: 25
thor
asked
in
Computer Networks
Dec 5, 2016
by
thor
1.5k
views
made-easy-test-series
computer-networks
flow-control-methods
4
votes
1
answer
20
TestBook Test Series: Computer Networks - Flow Control Methods
Two station A and B are connected via a point to point Link.A sends a freame to B using Go back-n protocolwith window size 7 and sequence number is of 3 bit.A sends frame one by one but B's ack for frame 3 is not reached to ... ACK4,but frame 5 is lost and not received by B..so now what will be the buffer frame of current window of A?
Aboveallplayer
asked
in
Computer Networks
Nov 5, 2016
by
Aboveallplayer
521
views
testbook-test-series
computer-networks
flow-control-methods
go-back-n
2
votes
9
answers
21
MadeEasy Test Series: Computer Networks - Flow Control Methods
Station X needs to send a message consisting of 12 packets to station Y using a sliding window protocol (Window Size 4) and Go back n error control strategy. All packets are ready and immediately available for transmission. If every ... gets lost), then the number of packets that X will transmit for sending the message to Y are _____.
nvnverma18
asked
in
Computer Networks
Sep 23, 2016
by
nvnverma18
1.0k
views
made-easy-test-series
computer-networks
flow-control-methods
sliding-window
2
votes
3
answers
22
MadeEasy Test Series 2017: Computer Networks - Flow Control Methods
Consider a network connecting two systems located 4000 kilometers apart. The bandwidth of the network is 64 Mbps. The propagation speed of the media is 2/3 of the speed of light in vacuum. It is needed to design selective ... at nodes are negligible. Then, the minimum size in bits of the sequence number field has to be _________.
Pankaj Joshi
asked
in
Computer Networks
Sep 8, 2016
by
Pankaj Joshi
1.6k
views
made-easy-test-series
computer-networks
flow-control-methods
sliding-window
selective-repeat
3
votes
1
answer
23
MadeEasy Test Series: Computer Networks - Flow Control Methods
consider a link of length 1000 km with 10^9 bps rate connecting a sender and receiver. assume a fixed packet length of 1250 bytes and sender always has packet to send. packet are never lost or corrupted in the connection. what is the ... window protocol? assume signal propagation is 5 microsec per km (A) 100 (B) 1000 (C) 110 (D) 1100
cse7
asked
in
Computer Networks
Aug 25, 2016
by
cse7
990
views
made-easy-test-series
computer-networks
flow-control-methods
sliding-window
1
vote
0
answers
24
MadeEasy Workbook: Computer Networks - Flow Control Methods
If the size of window is N and N # of frames are transmitted and it is supporting cumulative ACK. The Ack no. that is transmitted is ACK p.Then Calculate a)how many frames are received to the receiver b) How many frames are ... it using GOBACKN and my answer is not matching to his answer plus approach is diff. Anybody ??? help me on this.
mohit chawla
asked
in
Computer Networks
Jul 25, 2016
by
mohit chawla
580
views
made-easy-test-series
computer-networks
flow-control-methods
2
votes
1
answer
25
MadeEasy Test Series: Computer Networks - Flow Control Methods
Bandwidth of a link is 1000 Mbps and round trip time is given as 250 μ sec. If frame size is 500 bits, the utilization (in percentage) of channel when STOP and WAIT ARQ is used is _______.
Akanksha Kesarwani
asked
in
Computer Networks
Feb 1, 2016
by
Akanksha Kesarwani
1.0k
views
made-easy-test-series
computer-networks
flow-control-methods
stop-and-wait
1
vote
2
answers
26
MadeEasy Test Series: Computer Networks - Flow Control Methods
Please help me to solve problem 8.
shikharV
asked
in
Computer Networks
Nov 21, 2015
by
shikharV
1.2k
views
made-easy-test-series
computer-networks
flow-control-methods
stop-and-wait
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