Recent questions tagged token-ring

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1

Token ring

asked Dec 3, 2018 in Computer Networks by Na462 Loyal (6.9k points) | 77 views

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token ring
Determine the efficiency of a token ring with a data rate of 250Mbps, a ring latency of 120 µsec and 5000 bit packets. Assume M hosts want to transmit and each host holds the token for a maximum of frame transmission time.

asked Dec 2, 2018 in Computer Networks by Yazanotoom50 (5 points) | 82 views

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3

home work
A broadcast channel has 10 nodes and total capacity of 16Mbps. It uses polling for medium access. Once a node finishes transmission, there is a polling delay of 100 µseconds to poll the next node. Whenever a node is polled, it is allowed to transmit a maximum of 1500 Bytes. The maximum throughput of broadcast channel is: 8 Mbps 14 Mbps 100/11Mbps 750/85 Mbps

asked Nov 30, 2018 in Computer Networks by Samaa.qudah (35 points) | 63 views

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home work
Consider a 8Mbps token LAN with a ring latency of 256µsec. A host need to transmit seizes the token, and then it sends a frame of 1024 bytes removes the frame after it has circulated all around the ring and finally releases the token. This process is repeated for every frame. Assuming that only a single host wishes to transmit, then the effective data rate (in Mbps) is? 4.53 5.36 6.7 9.4

asked Nov 30, 2018 in Computer Networks by Samaa.qudah (35 points) | 67 views

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5

home work
In a token ring, if the propagation delay in a ring is equal to the transmission delay, then what is the maximum efficiency? Assuming that only one station is in token ring.

asked Nov 30, 2018 in Computer Networks by Samaa.qudah (35 points) | 69 views

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6

token ring / home work
Determine the efficiency of a token ring with a data rate of 250Mbps, a ring latency of 120 µsec and 5000 bit packets. Assume M hosts want to transmit and each host holds the token for a maximum of frame transmission time.

asked Nov 30, 2018 in Computer Networks by Samaa.qudah (35 points) | 106 views

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7

Token Ring - ISRO | ISRO CS 2016
In a token ring network the transmission speed is 107 bps and the propagation speed is 200 meters/ μs. The 1-bit delay in this network is equivalent to: (A) 500 meters of cable. (B) 200 meters of cable. (C) 20 meters of cable. (D) 50 meters of cable.

asked Jun 15, 2018 in Computer Networks by bts (123 points) | 129 views

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8

Do we have token ring in Gate 2018 syllabus
Do we have token ring in Gate 2018 syllabus

asked Dec 4, 2017 in Computer Networks by Sikki Tikki (11 points) | 449 views

+1 vote

1 answer

9

Token Ring
If bandwidth of a token ring is 48Mbps and token holding time is 5ms then find the minimum and maximum payload in bytes?

asked Nov 23, 2017 in Computer Networks by Salazar Active (1.1k points) | 322 views

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10

GATE 2014
Consider a token ring network with a length of 2km having 10 stations including a monitoring station.The propagation speed of the signal is 2*108m/s and the token transmission time is ignored. If each station is allowed to hold the token for 2 microseconds, the minimum time for which the monitoring station should wait before assuming that the loken is lost is?

asked Jan 7, 2017 in Computer Networks by pranjalgennext Active (1.3k points) | 132 views

+3 votes

2 answers

11

Token Ring
Suppose each station in IEEE 802.5 with 1bit delay is 48m apart from its neighbouring stations. Token is of 3 Bytes and propagation speed is 2.4 * 10^8 m/sec. To avoid overlapping in the 4Mbps token ring the monitor must insert 15 bits of artificial delay into ring. How many stations are there in the ring? A.2 B.3 C.4 D.5

asked Oct 2, 2016 in Computer Networks by Shubhi Tiwari Junior (755 points) | 1.8k views

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1 answer

12

What should be the Token Holding Time
Can anyone explain why the answer is infinite time?

asked Jun 9, 2016 in Computer Networks by ShiveshRoy Active (1.1k points) | 474 views

+1 vote

0 answers

13

ISI2014-PCB-CS-7b
A heavily loaded $1$ km long, $10$ Mbps token ring network has a propagation speed of $200$ meter per micro-second. Fifty stations are uniformly spaced around the ring. Each data packet is $256$ bits long, including $32$ bits of header. The token is of $8$ bits. What is the effective data rate of the network assuming the stations always have packets to transmit?

asked May 31, 2016 in Computer Networks by jothee Veteran (104k points) | 167 views

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1 answer

14

Computer Networks, Token Ring
In a token ring, if $a

asked Aug 27, 2015 in Computer Networks by Mojo-Jojo Active (3.8k points) | 358 views

+4 votes

4 answers

15

GATE2004-IT-82
Consider a 10 Mbps token ring LAN with a ring latency of 400 µs. A host that needs to transmit seizes the token. Then it sends a frame of 1000 bytes, removes the frame after it has circulated all around the ring, and finally releases the token. This process ... for every frame. Assuming that only a single host wishes to transmit, the effective data rate is 1 Mbps 2 Mbps 5 Mbps 6 Mbps

asked Nov 2, 2014 in Computer Networks by Ishrat Jahan Boss (16.3k points) | 2.7k views

0 votes

2 answers

16

GATE2007-IT-75
Consider a token ring topology with N stations (numbered 1 to N) running token ring protocol where the stations are equally spaced. When a station gets the token it is allowed to send one frame of fixed size. Ring latency is tp, while the transmission time of a frame is tt. All other ... utilization of the token ring when tt = 5 ms, tp = 3 ms, N = 15 is: 0.545 0.655 0.9375 0.961

asked Oct 31, 2014 in Computer Networks by Ishrat Jahan Boss (16.3k points) | 739 views

0 votes

2 answers

17

GATE2007-IT-74
Consider a token ring topology with N stations (numbered 1 to N) running token ring protocol where the stations are equally spaced. When a station gets the token it is allowed to send one frame of fixed size. Ring latency is tp, while the transmission time of a frame is tt. All other ... maximum utilization of the token ring when tt =3 ms, tp = 5 ms, N = 10 is 0.545 0.6 0.857 0.961

asked Oct 31, 2014 in Computer Networks by Ishrat Jahan Boss (16.3k points) | 1.1k views

+26 votes

4 answers

18

GATE2014-2-25
In the diagram shown below, $L1$ is an Ethernet LAN and $L2$ is a Token-Ring LAN. An $IP$ packet originates from sender $S$ and traverses to $R$, as shown. The links within each $\text{ISP}$ and across the two $\text{ISP}$s, are all point-to-point ... of the $\text{TTL}$ field is $32$. The maximum possible value of the $\text{TTL}$ field when $R$ receives the datagram is _______.

asked Sep 28, 2014 in Computer Networks by jothee Veteran (104k points) | 5.8k views

+8 votes

3 answers

19

GATE2014-1-26
Consider a token ring network with a length of 2 km having 10 stations including a monitoring station. The propagation speed of the signal is $2 \times10^8m/s$ and the token transmission time is ignored. If each station is allowed to hold the token for $2 µsec$, the minimum time for which the monitoring station should wait (in $µsec$) before assuming that the token is lost is _______.

asked Sep 26, 2014 in Computer Networks by jothee Veteran (104k points) | 4.2k views

+8 votes

2 answers

20

GATE2007-66, ISRO2016-71
In a token ring network the transmission speed is 10$^7$ bps and the propagation speed is 200 meters/$\mu$s. The 1-bit delay in this network is equivalent to: 500 meters of cable. 200 meters of cable. 20 meters of cable. 50 meters of cable.

asked Sep 22, 2014 in Computer Networks by Kathleen Veteran (52.1k points) | 5.1k views

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