Dark Mode

Recent questions and answers in Computer Networks

0 votes

1 answer

1

Doubt.
How pipelining process occurs in SR protocol? will it minimize the Tt time?

lalitver10 answered in Computer Networks 18 minutes ago

27 views

7 votes

1 answer

2

GATE Overflow | Mock GATE | Test 1 | Question: 40
You are working on a laptop connected to a $100 \text{Mbps}$ Ethernet LAN. You need a $2 \text{GB}$ file that is on the server in the same LAN. The entire file is also on your pen drive but you have left ... and bring the pen drive, before the transfer on the LAN completes. Assume continuous data transmission on the LAN(no packetization required)).

akashmaji945 answered in Computer Networks 3 hours ago

by akashmaji945

962 views

1 vote

1 answer

3

ISI2014-PCB-CS-6b
In a LAN, $n^2$ routers are connected in an $n \times n$ mesh such that $R(i, j)$ represents a router in the $i$-th row and $j$-th column of the mesh. Find how many distinct shortest paths exist between two routers $R(i_1, j_1)$ ... how many of these distinct shortest paths will be node disjoint, i.e., with no common node except the source and the destination? Justify your answer.

HM answered in Computer Networks 4 hours ago

by HM

521 views

0 votes

4 answers

4

Subnetting/Supernetting
In class $B$ if subnet mask is $255.192.0.0$ then the total number of networks that can be joined is: $32$ $64$ $16$ None of the Above

afroze answered in Computer Networks 1 day ago

by afroze

93 views

0 votes

1 answer

5

doubt.
What are the effect of stop & wait protocol on half & full duplex system ?

Aditya_ answered in Computer Networks 1 day ago

52 views

1 vote

1 answer

6

Forouzan Ethernet (chapter 13 Q.no- 6,7,8,11.)5th edition
Q: In a Gigabit Ethernet LAN the average size of frame is 1000 bytes .If a noise of 2 ms occurs on the LAN , how many frame are destroyed ? What will happen if Gigabit Ethernet LAN replaced by a) Fast Ethernet LAN b) Standard Ethernet LAN c) 10 Gigabit Ethernet LAN ?

nameaman2170 answered in Computer Networks 3 days ago

by nameaman2170

43 views

0 votes

1 answer

7

MAXIUMUM SIZE OF ETHERNET FRAME CALCULATION
IN standard Ethernet, if the maximum propagation time is 26.6 micro-second, what is the maximum size of the Ethernet frame?

Nisha Bharti answered in Computer Networks 3 days ago

by Nisha Bharti

83 views

0 votes

1 answer

8

Networking supernet | CIDR
Can these following networks be aggregated to one network? If no then why? If yes then what would be the supernet mask? Network1: 1.2.0.5/24 Network2: 1.2.1.7/24 Network3: 1.2.2.9/24 Please provide descriptive solution.

Daniyalkhan777 answered in Computer Networks 4 days ago

by Daniyalkhan777

103 views

1 vote

1 answer

9

Random
a token ring lan has total propagation delay of 30 micro second, a channel capacity of 10 power 6 bps and 50 station, each of which generates poisson traffic and has a latency of 1bit. for a traffic intensity of 0.6,calculate A. The switchover time B. The mean service time C. The Average delay for exhaustive, gated and limited service disciplines.

Chandan2580 answered in Computer Networks 6 days ago

3.7k views

0 votes

1 answer

10

Self Doubt.
Can anyone please explain this?

afroze answered in Computer Networks 6 days ago

by afroze

46 views

0 votes

1 answer

11

made easy test series
supernet mask of class c is given 255.255.224.0 .the number of networks that can be joined are 16 32 64 none

Pranavpurkar answered in Computer Networks Sep 22

by Pranavpurkar

61 views

0 votes

2 answers

12

MadeEasy Workbook question.

Pranavpurkar answered in Computer Networks Sep 22

by Pranavpurkar

59 views

0 votes

1 answer

13

https://www.indiabix.com/networking/subnetting/004004
Using the following illustration, what would be the IP address of E0 if you were using the eighth subnet? The network ID is 192.168.10.0/28 and you need to use the last available IP address in the range. The zero subnet should not be considered valid for ... 192.168.10.142 B. 192.168.10.66 C. 192.168.100.254 D. 192.168.10.143 E. 192.168.10.126

lalitver10 answered in Computer Networks Sep 21

44 views

0 votes

1 answer

14

Unacademy test series.
In a stop and wait ARQ, Bandwidth Delay product is 20,000 bits. Given the frame size is 1000 bits. What is the percentage of utilization of link if we have a protocol that can send 15 frames without waiting for acknowledgement?

Abhrajyoti00 answered in Computer Networks Sep 21

by Abhrajyoti00

44 views

0 votes

1 answer

15

non-persistent HTTP - computer networks - test series - made easy
How many messages will it take to receive 3 images from a server using non-persistent HTTP? The provided solution says that it will take 18 messages. But I'm getting 16 messages according to my following method: In total there will ... 1 file. So, in total for 4 such iterations, it'll take 16 messages. What is wrong with my method?

SHUBHAM899 answered in Computer Networks Sep 20

287 views

0 votes

1 answer

16

self doubt
Does the window size parameter in TCP header means segment size?

Vishal_kumar98 answered in Computer Networks Sep 20

by Vishal_kumar98

36 views

3 votes

1 answer

17

Self doubt.
What is the function of router within same network?

LRU answered in Computer Networks Sep 19

by LRU

44 views

1 vote

0 answers

18

Self doubt.
For 8-bit checksum is this correct?

Nisha Bharti asked in Computer Networks Sep 18

by Nisha Bharti

52 views

1 vote

1 answer

19

self doubt
can Header length field, Fragment Offset,options change during transmission if yes then how?

Dewesh Jha answered in Computer Networks Sep 16

45 views

0 votes

1 answer

20

In Go-back-N protocol with m=6, the sending machine is in the ready state with Sf=10 and Sn=15, An ACK with ACKNo =13 arrives, what are the next values of Sf, Sn and Rn?

lalitver10 answered in Computer Networks Sep 16

105 views

0 votes

2 answers

21

#Self Doubt
When we say that vulnerable time in pure aloha will be 2*frame transmission time.So what this frame transmission time?? My doubt is does frame transmission time= propagation time+transmission time … collision can also happen during propagation time ??

Dewesh Jha answered in Computer Networks Sep 15

56 views

0 votes

2 answers

22

Self Doubt
What is the difference between Node-to-node delivery, Host-to-host delivery & Process-to-process delivery?

Dewesh Jha answered in Computer Networks Sep 15

80 views

0 votes

1 answer

23

made easy test series
which of the following is false? In ethernet, each nodes physical address is guaranteed to be globally unique. the single parity check can detect any odd no of bit error in a transmitted codeword. in ethernet , a node wishing to transmit might never be allowed to access the channel. none of these.

Dewesh Jha answered in Computer Networks Sep 14

80 views

0 votes

1 answer

24

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.)

Nisha Bharti answered in Computer Networks Sep 12

by Nisha Bharti

243 views

0 votes

1 answer

25

Computer Networks
I am slightly confused in 40 Gbps. When to use 2^30 and when to use 10^3 in conversion.

Nisha Bharti answered in Computer Networks Sep 12

by Nisha Bharti

140 views

0 votes

0 answers

26

Self Doubt
To finding maximum efficiency of ALOHA protocol or CSMA/CD protocol, why double differentiation is used?

Nisha Bharti asked in Computer Networks Sep 11

by Nisha Bharti

44 views

0 votes

0 answers

27

iitkgp assignment
Two CSMA/CD stations are each trying to transmit long (multi-frame) files.After each frame is sent,they contend for the channel,using the binary exponential back-off algorithm. What is the probability that the contention ends on round k, and what is the mean number of rounds per contention period?

shreyo asked in Computer Networks Sep 11

by shreyo

56 views

0 votes

1 answer

28

Self doubt
In CSMA/CD method why the propagation delay is $2T_p$?

DebSujit answered in Computer Networks Sep 11

79 views

0 votes

0 answers

29

In exponential backoff algorithm, what does exponentially decreasing means?

Nisha Bharti asked in Computer Networks Sep 10

by Nisha Bharti

24 views

0 votes

0 answers

30

How do you find the channel utilization with stop and wait protocol?
The distance from Earth to a distant planet is approximately $5 \times 10^9$ km. Assume that the frame size is 15 Kbits and the speed of light is $3\times 10^8$ m/s. Assume that the bit rate is 8 Mbps. What is the efficiency (channel utilization) if a stop-and-wait protocol is used?

Drechao23 asked in Computer Networks Sep 9

51 views

2 votes

1 answer

31

Token generation or refresh rate: Token Bucket
Consider a token bucket with maximum rate = 20 Mbps. Suppose we want to make sure that maximum rate can only be sent for atmost 5 sec at a time and atmost 150 Mb can be sent over 10 sec window. Computer the required value for token refresh rate?

samarpita answered in Computer Networks Sep 9

909 views

28 votes

9 answers

32

GATE CSE 1994 | Question: 9
Following $7$ ... that at most $1$ bit could be corrupted). If the message contains an error find the bit which is erroneous and gives correct message.

TusharRana answered in Computer Networks Sep 9

6.1k views

1 vote

1 answer

33

Computer Networks: Wild Card
What is wild card host and mask? What is its significance?

Vishal_kumar98 answered in Computer Networks Sep 6

by Vishal_kumar98

47 views

0 votes

1 answer

34

Suppose an ISP owns the block of addresses of the form 131.210.16.0/21. Suppose it wants to create four subnets from this block, with each block having the same number of IP addresses. i. What are the prefixes (of form a.b.c.d/x) for the four subnets? ii. What is the number of host address that can be supported per subnet?

felix59 answered in Computer Networks Sep 6

98 views

25 votes

6 answers

35

GATE CSE 2005 | Question: 27
An organization has a class $B$ network and wishes to form subnets for $64$ departments. The subnet mask would be: $255.255.0.0$ $255.255.64.0$ $255.255.128.0$ $255.255.252.0$

TusharRana answered in Computer Networks Sep 5

32.9k views

0 votes

0 answers

36

An organization is requires 8 subnet each having at least 63 hosts. If the allotted IP address is 193.1.1.0 determine the class of IP address, default mask, subnet mask, number of subnet id bits, and the broadcast address of the subnets.

Nisha Bharti asked in Computer Networks Sep 4

by Nisha Bharti

111 views

39 votes

8 answers

37

GATE CSE 2006 | Question: 46
Station $A$ needs to send a message consisting of $9$ packets to Station $B$ using a sliding window (window size $3$) and go-back-$n$ error control strategy. All packets are ready and immediately available for transmission. If every $5$th packet that $A$ ... what is the number of packets that $A$ will transmit for sending the message to $B$? $12$ $14$ $16$ $18$

TusharRana answered in Computer Networks Sep 2

29.2k views

1 vote

0 answers

38

Is Ipv6 protocol connectionless or connection oriented?

Nisha Bharti asked in Computer Networks Sep 2

by Nisha Bharti

50 views

75 votes

8 answers

39

GATE CSE 2005 | Question: 74
Suppose the round trip propagation delay for a $10\text{ Mbps}$ Ethernet having $48\text{-bit}$ jamming signal is $46.4\ \mu s$. The minimum frame size is: $94$ $416$ $464$ $512$

NiloyNk answered in Computer Networks Aug 28

33.2k views

1 vote

0 answers

40

igate booklate question
what is the character count method which is used for framing, in data link layer ? consider the string 5,4,3,2,5,6,7,8,9,3,2,4,1,2,3 in DLL character count method is used for framing,above msg can be divide in how many frame?

jugnu1337 asked in Computer Networks Aug 25

54 views

To see more, click for all the questions in this category.

Recent questions and answers in Computer Networks