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Questions by ajaysoni1924
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votes
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answers
581
Andrew S. Tanenbaum Edition 5 Exercise 4 Question 15 (Page No. 352)
A 1-km-long, 10-Mbps CSMA/CD LAN (not 802.3) has a propagation speed of 200 m/μsec. Repeaters are not allowed in this system. Data frames are 256 bits long, including 32 bits of header, checksum, and ... send a 32-bit acknowledgement frame. What is the effective data rate, excluding overhead, assuming that there are no collisions?
A 1-km-long, 10-Mbps CSMA/CD LAN (not 802.3) has a propagation speed of200 m/μsec. Repeaters are not allowed in this system. Data frames are 256 bits long,including 32 b...
673
views
asked
Mar 15, 2019
Computer Networks
computer-networks
tanenbaum
mac-protocol
ethernet
csma-cd
+
–
0
votes
0
answers
582
Andrew S. Tanenbaum Edition 5 Exercise 4 Question 14 (Page No. 352)
Sketch the Manchester encoding on a classic Ethernet for the bit stream 0001110101.
Sketch the Manchester encoding on a classic Ethernet for the bit stream 0001110101.
523
views
asked
Mar 15, 2019
Computer Networks
computer-networks
tanenbaum
data-link-layer
mac-protocol
manchester-encoding
+
–
0
votes
1
answer
583
Andrew S. Tanenbaum Edition 5 Exercise 4 Question 13 (Page No. 352)
What is the baud rate of classic 10-Mbps Ethernet?
What is the baud rate of classic 10-Mbps Ethernet?
810
views
asked
Mar 15, 2019
Computer Networks
computer-networks
mac-protocol
serial-communication
tanenbaum
+
–
0
votes
0
answers
584
Andrew S. Tanenbaum Edition 5 Exercise 4 Question 12 (Page No. 351)
A seven-story office building has 15 adjacent offices per floor. Each office contains a wall socket for a terminal in the front wall, so the sockets form a rectangular grid in the vertical plane, with a separation of 4 m between ... sockets using (a) A star configuration with a single router in the middle? (b) A classic 802.3 LAN?
A seven-story office building has 15 adjacent offices per floor. Each office contains awall socket for a terminal in the front wall, so the sockets form a rectangular gri...
352
views
asked
Mar 15, 2019
Computer Networks
computer-networks
tanenbaum
mac-protocol
mac-layer
data-link-layer
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–
0
votes
1
answer
585
Andrew S. Tanenbaum Edition 5 Exercise 4 Question 10 (Page No. 351)
Consider five wireless stations, A, B, C, D, and E. Station A can communicate with all other stations. B can communicate with A, C and E. C can communicate with A, B and D. D can communicate with A, C and ... is sending to A, what other communications are possible? (c) When B is sending to C, what other communications are possible?
Consider five wireless stations, A, B, C, D, and E. Station A can communicate with allother stations. B can communicate with A, C and E. C can communicate with A, B andD....
1.9k
views
asked
Mar 15, 2019
Computer Networks
computer-networks
tanenbaum
mac-protocol
lan-technologies
communication
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–
0
votes
0
answers
586
Andrew S. Tanenbaum Edition 5 Exercise 4 Question 1 (Page No. 350)
Frames arrive randomly at a 100-Mbps channel for transmission. If the channel is busy when a frame arrives, it waits its turn in a queue. Frame length is exponentially distributed with a mean of 10,000 bits/frame. For each of the ... queueing time and transmission time. (a) 90 frames/sec. (b) 900 frames/sec. (c) 9000 frames/sec.
Frames arrive randomly at a 100-Mbps channel for transmission. If the channel is busy whena frame arrives, it waits its turn in a queue. Frame length is exponentially dis...
709
views
asked
Mar 15, 2019
Computer Networks
computer-networks
tanenbaum
mac-protocol
data-link-layer
network-flow
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–
0
votes
1
answer
587
Andrew S. Tanenbaum Edition 5 Exercise 4 Question 7 (Page No. 351)
How long does a station, s, have to wait in the worst case before it can start transmitting its frame over a LAN that uses the basic bit-map protocol?
How long does a station, s, have to wait in the worst case before it can start transmittingits frame over a LAN that uses the basic bit-map protocol?
2.0k
views
asked
Mar 15, 2019
Computer Networks
computer-networks
tanenbaum
mac-protocol
lan-technologies
bit-map-protocol
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–
1
votes
2
answers
588
Andrew S. Tanenbaum Edition 5 Exercise 4 Question 6 (Page No. 351)
What is the length of a contention slot in CSMA/CD for (a) a 2-km twin-lead cable (signal propagation speed is 82% of the signal propagation speed in vacuum)?, and (b) a 40-km multimode fiber optic cable (signal propagation speed is 65% of the signal propagation speed in vacuum)?
What is the length of a contention slot in CSMA/CD for (a) a 2-km twin-lead cable(signal propagation speed is 82% of the signal propagation speed in vacuum)?, and (b)a 40...
4.4k
views
asked
Mar 15, 2019
Computer Networks
computer-networks
tanenbaum
lan-technologies
ethernet
csma-cd
+
–
0
votes
0
answers
589
Andrew S. Tanenbaum Edition 5 Exercise 4 Question 5 (Page No. 351)
In an infinite-population slotted ALOHA system, the mean number of slots a station waits between a collision and a retransmission is 4. Plot the delay versus throughput curve for this system.
In an infinite-population slotted ALOHA system, the mean number of slots a stationwaits between a collision and a retransmission is 4. Plot the delay versus throughputcur...
668
views
asked
Mar 15, 2019
Computer Networks
computer-networks
tanenbaum
mac-protocol
lan-technologies
slotted-aloha
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–
0
votes
1
answer
590
Andrew S. Tanenbaum Edition 5 Exercise 4 Question 4 (Page No. 351)
A large population of ALOHA users manages to generate 50 requests/sec, including both originals and retransmissions. Time is slotted in units of 40 msec. (a) What is the chance of success on the first attempt? (b) ... of exactly k collisions and then a success? (c) What is the expected number of transmission attempts needed?
A large population of ALOHA users manages to generate 50 requests/sec, includingboth originals and retransmissions. Time is slotted in units of 40 msec.(a) What is the ch...
1.8k
views
asked
Mar 15, 2019
Computer Networks
computer-networks
tanenbaum
mac-protocol
slotted-aloha
lan-technologies
+
–
0
votes
2
answers
591
Andrew S. Tanenbaum Edition 5 Exercise 4 Question 3 (Page No. 351)
Consider the delay of pure ALOHA versus slotted ALOHA at low load. Which one is less? Explain your answer.
Consider the delay of pure ALOHA versus slotted ALOHA at low load. Which one isless? Explain your answer.
5.7k
views
asked
Mar 15, 2019
Computer Networks
computer-networks
tanenbaum
mac-protocol
pure-aloha
slotted-aloha
+
–
3
votes
1
answer
592
Andrew S. Tanenbaum Edition 5 Exercise 4 Question 2 (Page No. 351)
A group of N stations share a 56-kbps pure ALOHA channel. Each station outputs a 1000-bit frame on average once every 100 sec, even if the previous one has not yet been sent (e.g., the stations can buffer outgoing frames). What is the maximum value of N?
A group of N stations share a 56-kbps pure ALOHA channel. Each station outputs a1000-bit frame on average once every 100 sec, even if the previous one has not yetbeen sen...
15.8k
views
asked
Mar 15, 2019
Computer Networks
computer-networks
tanenbaum
lan-technologies
mac-protocol
pure-aloha
+
–
1
votes
2
answers
593
Made Easy Workbook : Relational Model
What should be correct option for 1. and why...?
What should be correct option for 1. and why...?
734
views
asked
May 22, 2018
Databases
databases
er-diagram
er-to-relational
relational-model
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–
0
votes
3
answers
594
relational model
minimum no. of tables required....!!! How to do such question where aggregation generalization or specialization is involved
minimum no. of tables required....!!!How to do such question where aggregation generalization or specialization is involved
513
views
asked
May 22, 2018
Databases
databases
er-diagram
er-to-relational
relational-model
+
–
0
votes
1
answer
595
Registers
How it is gray code conversion?....!!! i think output should be 00000000
How it is gray code conversion?....!!!i think output should be 00000000
851
views
asked
May 22, 2018
Digital Logic
register
digital-logic
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–
0
votes
1
answer
596
Counter
Answer given is 4 but mine is 2
Answer given is 4 but mine is 2
422
views
asked
May 22, 2018
Digital Logic
digital-logic
digital-counter
flip-flop
+
–
0
votes
1
answer
597
Flipflop
Answer is TQ'+T'[Q(s+r')+sr']
Answer is TQ'+T'[Q(s+r')+sr']
1.5k
views
asked
May 22, 2018
Digital Logic
digital-logic
flip-flop
+
–
0
votes
1
answer
598
relational algebra and relational calculas
Any one plz help i have completed my relation algebra and calculas topics but whenever i go for question i am confused that how to approach. i am able to solve objective questions somehow but sometimes not able to write query directly. plz suggest.
Any one plz helpi have completed my relation algebra and calculas topics but whenever i go for question i am confused that how to approach.i am able to solve objective qu...
189
views
asked
May 21, 2018
1
votes
1
answer
599
question of type where propagation delay is given
3.0k
views
asked
May 15, 2018
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