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Recent questions tagged network-switching
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Message switching
What is the formula for total time in message switching
Ray Tomlinson
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in
Computer Networks
Jul 30, 2023
by
Ray Tomlinson
197
views
computer-networks
network-switching
packet-switching
0
votes
1
answer
2
Unacademy AIMT - 1
In a shared Ethernet link, each user is active only 10% of the time. Suppose switching is used for 10 users and each user is equally likely to transmit at any point of time. The probability P that at any given time exactly 8 users are transmitting simultaneously. What is the value of $10^{10} * P$? Solve for both: 1)Packet switching. 2)Circuit switching.
Pranavpurkar
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in
Computer Networks
Dec 9, 2022
by
Pranavpurkar
806
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computer-networks
ethernet
network-switching
probability
unacademy-test-series
normal
0
votes
2
answers
3
Computer Networks
Summarize the advantages and disadvantages of circuit switching, packet switching and message switching
atajan
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in
Computer Networks
Dec 2, 2022
by
atajan
299
views
computer-networks
packet-switching
network-switching
0
votes
1
answer
4
Kurose and Ross Edition 6 Exercise 1 Question P12 (Page No 73)
A packet switch receives a packet and determines the outbound link to which the packet should be forwarded. When the packet arrives, one other packet is halfway done being transmitted on this outbound link and four other ... bits of the currently-being-transmitted packet have been transmitted, and n packets are already in the queue?
ajaysoni1924
asked
in
Computer Networks
Apr 10, 2019
by
ajaysoni1924
3.5k
views
computer-networks
kurose-and-ross
network-layer
network-flow
network-switching
0
votes
0
answers
5
Kurose and Ross Edition 6 Exercise 1 Question P9 (Page No 73)
In the discussion of packet switching versus circuit switching with a 1 Mbps link. Users are generating data at a rate of 100 kbps when busy, but are busy generating data only with probability p = 0.1. Suppose that the 1 Mbps link is ... . Give a formula (in terms of p, M, N) for the probability that more than N users are sending data.
ajaysoni1924
asked
in
Computer Networks
Apr 10, 2019
by
ajaysoni1924
834
views
computer-networks
kurose-and-ross
network-switching
0
votes
2
answers
6
Kurose and Ross Edition 6 Exercise 1 Question P8 (Page No 72)
Suppose users share a 3 Mbps link. Also, suppose each user requires 150 kbps when transmitting, but each user transmits only 10 percent of the time. When circuit switching is used, how many users can be supported? ... (Hint: Use the binomial distribution.) Find the probability that there are 21 or more users transmitting simultaneously.
ajaysoni1924
asked
in
Computer Networks
Apr 10, 2019
by
ajaysoni1924
11.9k
views
computer-networks
kurose-and-ross
network-flow
network-layer
network-switching
1
vote
2
answers
7
Kurose and Ross Edition 6 Exercise 1 Question P4 (Page No 71)
Consider the circuit-switched network in the Figure below. Recall that there are 4 circuits on each link. Label the four switches A, B, C, and D, going in the clockwise direction. What is the maximum number of ... connections between switches B and D. Can we route these calls through the four links to accommodate all eight connections?
ajaysoni1924
asked
in
Computer Networks
Apr 9, 2019
by
ajaysoni1924
3.4k
views
computer-networks
kurose-and-ross
network-switching
circuit-switching
0
votes
1
answer
8
Kurose and Ross Edition 6 Exercise 1 Question P3 (Page No 71)
Consider an application that transmits data at a steady rate (for example, the sender generates an N-bit unit of data every k time units, where k is small and fixed). Also, when such an application starts, it will continue ... data rates is less than the capacities of each and every link. Is some form of congestion control needed? Why?
ajaysoni1924
asked
in
Computer Networks
Apr 9, 2019
by
ajaysoni1924
2.7k
views
computer-networks
kurose-and-ross
network-layer
network-switching
0
votes
0
answers
9
Kurose and Ross Edition 6 Exercise 1 Question R14 (Page No 68)
Why will two ISPs at the same level of the hierarchy often peer with each other? How does an IXP earn money?
ajaysoni1924
asked
in
Computer Networks
Apr 9, 2019
by
ajaysoni1924
303
views
computer-networks
kurose-and-ross
network-layer
network-switching
descriptive
0
votes
1
answer
10
Kurose and Ross Edition 6 Exercise 1 Question R13 (Page No 68)
Suppose users share a 2 Mbps link. Also, suppose each user transmits continuously at 1 Mbps when transmitting, but each user transmits only 20 percent of the time. When circuit switching is used, how many users can ... given time, all three users are transmitting simultaneously. Find the fraction of time during which the queue grows.
ajaysoni1924
asked
in
Computer Networks
Apr 9, 2019
by
ajaysoni1924
3.8k
views
computer-networks
kurose-and-ross
network-layer
network-switching
circuit-switching
0
votes
0
answers
11
Kurose and Ross Edition 6 Exercise 1 Question R12 (Page No 68)
What advantage does a circuit-switched network have over a packet-switched network? What advantages does TDM have over FDM in a circuit-switched network?
ajaysoni1924
asked
in
Computer Networks
Apr 9, 2019
by
ajaysoni1924
378
views
computer-networks
kurose-and-ross
network-layer
network-switching
descriptive
0
votes
1
answer
12
Kurose and Ross Edition 6 Exercise 1 Question R11 (Page No 68)
Suppose there is exactly one packet switch between a sending host and a receiving host. The transmission rates between the sending host and the switch and between the switch and the receiving host are R1 and R2, respectively. ... -to-end delay to send a packet of length L? (Ignore queuing, propagation delay, and processing delay.)
ajaysoni1924
asked
in
Computer Networks
Apr 9, 2019
by
ajaysoni1924
430
views
computer-networks
kurose-and-ross
network-layer
network-switching
packet-switching
descriptive
0
votes
1
answer
13
Andrew S. Tanenbaum Edition 5th Exercise 5 Question 16 (Page No. 491)
A datagram network allows routers to drop packets whenever they need to. The probability of a router discarding a packet is p. Consider the case of a source host connected to the source router, which is connected to ... hops a packet makes per transmission? (b) transmissions a packet makes? (c) hops required per received packet?
ajaysoni1924
asked
in
Computer Networks
Mar 16, 2019
by
ajaysoni1924
600
views
computer-networks
tanenbaum
network-layer
network-switching
1
vote
1
answer
14
Andrew S. Tanenbaum Edition 5th Exercise 5 Question 3 (Page No. 489)
Assuming that all routers and hosts are working properly and that all software in both is free of all errors, is there any chance, however small, that a packet will be delivered to the wrong destination?
ajaysoni1924
asked
in
Computer Networks
Mar 16, 2019
by
ajaysoni1924
1.2k
views
computer-networks
tanenbaum
network-layer
network-switching
0
votes
0
answers
15
Andrew S. Tanenbaum Edition 5th Exercise 5 Question 2 (Page No. 489)
Datagram networks route each packet as a separate unit, independent of all others. Virtual-circuit networks do not have to do this, since each data packet follows a predetermined route. Does this observation mean ... the capability to route isolated packets from an arbitrary source to an arbitrary destination? Explain your answer.
ajaysoni1924
asked
in
Computer Networks
Mar 16, 2019
by
ajaysoni1924
771
views
computer-networks
tanenbaum
network-layer
network-switching
descriptive
0
votes
0
answers
16
Reading Doubt
Which has lower latency amongst “Switch” and “Router”. And why ?
Hardik Maheshwari
asked
in
Computer Networks
Jan 18, 2019
by
Hardik Maheshwari
318
views
routers-bridge-hubs-switches
computer-networks
network-switching
3
votes
1
answer
17
Applied Course | Mock GATE | Test 1 | Question: 64
Let us consider a scenario of sending real-time voice from Host A to Host B over a packet-switched network. Host A converts analog voice to a digital $32$ kbps bit stream on the fly. Host A then groups the bits into $44$-byte packets. There is one link ... bit is decoded (as part of the analog signal at Host B)? $11$ ms $88$ ms $30$ ms $30.088$ ms
Applied Course
asked
in
Computer Networks
Jan 16, 2019
by
Applied Course
735
views
applied-course-2019-mock1
network-switching
computer-networks
3
votes
1
answer
18
MadeEasy Subject Test 2019: Computer Networks - Network Switching
junaid ahmad
asked
in
Computer Networks
Dec 8, 2018
by
junaid ahmad
819
views
made-easy-test-series
computer-networks
network-switching
3
votes
1
answer
19
Packet vs Circuit switching
Suppose Host A is connected to another Host B via a switch. The data rate of the link connecting the hosts to the switch is Rbps. Assume a packet length of L bits. In the calculation below, ignore processing, propagation and queuing delay. A - ... If packet switching was being used, for what fraction of the time (expressed in percentage) can the queue at the switch grow?
John Doe
asked
in
Computer Networks
Nov 24, 2018
by
John Doe
1.1k
views
computer-networks
network-switching
0
votes
0
answers
20
CHALLENGING PROBLEMS IN COMPUTER NETWORKING
A university has 150 LANs with 100 hosts in each LAN. (a) Suppose the university has one Class B address. Design an appropriate subnet addressing scheme. (b) Design an appropriate CIDR addressing scheme. A router has the following CIDR entries ... address of the gateway? e) How many packets (sent or received) contain the IP address of the DHCP server?
Soumyadeep Roy
asked
in
Computer Networks
Sep 1, 2018
by
Soumyadeep Roy
5.5k
views
computer-networks
network-switching
network-addressing
0
votes
1
answer
21
packet switching
Consider the store and forward packet switched network where host A and B are connected via 2 routers R1 and R2 . Assume Transmission time to be 1ms and Propagation time of link to be 5ms. If a message is divided into 6 packets of equal length then total time to transfer message is _________ ?
Lone Wolf
asked
in
Computer Networks
Jul 26, 2018
by
Lone Wolf
1.3k
views
network-switching
computer-networks
pipelining
0
votes
3
answers
22
UGC NET CSE | July 2018 | Part 2 | Question: 46
Which of the following statements are true? Three broad categories of Networks are Circuit Switched Networks Packet Switched Networks Message Switched Networks Circuit Switched Network resources need not be reserved during the set up phase In packet switching there is no ... $\text{i and iii}$ only $\text{i, ii and iii}$ only
Pooja Khatri
asked
in
Computer Networks
Jul 13, 2018
by
Pooja Khatri
3.0k
views
ugcnetcse-july2018-paper2
computer-networks
network-switching
1
vote
1
answer
23
Circuit switching
If two host are connected by a link and in middle of the link there is a switch between them, then transmission and propagation time both doubled. But if for the same link, there is no switch between that two hosts, then propagation time and ... once Why that happens? Though both are operating on same link, why only a switch doubles propagation delay and transmission delay time?
srestha
asked
in
Computer Networks
Jun 8, 2018
by
srestha
956
views
computer-networks
network-switching
2
votes
1
answer
24
Computer Networking A top down approach(Packet switching)
How long does it take a packet of length L to propagate over a link of distance D, propagation speed S, and transmission rate R bps. Does this delay depend on transmission rate? Answer given is No. But I don't understand how it is possible. Until the packet is transmitted , it can't be propagate over the link.
!KARAN
asked
in
Computer Networks
May 5, 2018
by
!KARAN
757
views
computer-networks
network-switching
1
vote
1
answer
25
packet switching
C consider the two hosts A and B are connected Via a Router R which is having a queuing delay of 7 μsec is as shown below : The Router R has two links Link1 and Link2, connected to A and B respectively. Each link is 250 meters long and has a bandwidth ... speed is 500,000 km/sec. The total transfer delay for 2 KB packet from A to B is __________ μsec. (ignore the processing delay).
Jaspreet Kaur Bains
asked
in
Computer Networks
Dec 26, 2017
by
Jaspreet Kaur Bains
2.6k
views
network-switching
2
votes
1
answer
26
Switching
1)What is switching? And in which layer switching happens? 2)Is circuit better than packet in OSI model? 3)Main difference between circuit switching and packet switching?
srestha
asked
in
Computer Networks
Dec 13, 2017
by
srestha
727
views
computer-networks
network-switching
3
votes
0
answers
27
Computer_Network_Online
saxena0612
asked
in
Computer Networks
Dec 7, 2017
by
saxena0612
1.4k
views
hamming-code
network-switching
computer-networks
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