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Recent questions tagged computer-networks

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Trishna Knowledge System - Gate CSE

akulakrishna asked in Computer Networks May 9

by akulakrishna

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medium access control
Consider a CSMA/CD network running at 10 Mb/s with the following operational setting: Interframe Gap (IFG) = 96-bit times Jam signal = 48-bit times The signal speed in the cable is 2 108 m/s There are two hosts P and Q attached to this CSMA/CD ... P and Q stop the transmission due to the collision? (3%) When will P and Q notice that the network turns idle after the collision?

network123 asked in Computer Networks May 2

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#UGCNET DECEMBER 2022 #IP ADDRESS #CIDR

Deepak sahoo asked in Computer Networks Apr 28

by Deepak sahoo

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4

UGC NET DECEMBER 2022

Deepak sahoo asked in Computer Networks Apr 28

by Deepak sahoo

13 views

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1 answer

5

Wrap around time
Given bandwidth is 128 Gbps. (use giga has 2 power 30), the total time for a complete wrap-around of sequence numbers in TCP

Samridh28 asked in Computer Networks Apr 27

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6

Data communication and Networking 5th edition Multilevel Scheme RU 2019 3b
What is meant by self-synchronization? Mention the name of a line coding technique that can achieve self-synchronization. Explain your answer with an example.

tenjela asked in Computer Networks Apr 24

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1 vote

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GO Classes 2023 | IIITH Mock Test 3 | Question: 37
Consider a TCP machine having window size $32\;\text{KB}$ over a $512\;\text{Mbps}$ channel that has one way delay of $20 \mathrm{~msec}$. The line efficiency in percentage is ______

GO Classes asked in Computer Networks Apr 15

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GO Classes 2023 | IIITH Mock Test 3 | Question: 38
Which of the following statements are true about TCP? It is a byte-oriented port-to-port communication It uses flow control mechanism protocol Its connections are link to link and full duplex It uses piggybacking whenever possible (i), (iii) and (iv) only (i), (ii) and (iv) only (ii), (iii) and (iv) only All of the given

GO Classes asked in Computer Networks Apr 15

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GO Classes 2023 | IIITH Mock Test 3 | Question: 39
TCP connection termination using three-way handshaking is shown below. Consider the following statements about this termination: Between $\text{B}$ and $\text{C},$ both-way communication is possible. Between $\text{B}$ and $\text{C, T}$ can still ... the above statements is/are true? II only I, III, and IV only I and II only II, III, and IV only

GO Classes asked in Computer Networks Apr 15

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GO Classes 2023 | IIITH Mock Test 3 | Question: 40
In the $\textsf{IPv4}$ addressing format, if the number of networks allowed under $\text{Class A, Class B and Class C}$ respectively are $2^a,2^b$ and $2^c,$ the value of $2a + 3b + 5c =$ ________ $160$ $180$ $161$ $181$

GO Classes asked in Computer Networks Apr 15

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GO Classes 2023 | IIITH Mock Test 3 | Question: 41
Station $A$ needs to send a message consisting of $12$ packets to station $B$ using a sliding window $\text{(window size 4)}$ ... packets that $A$ will transmit for sending the message to $B$ will be ______. $23$ $24$ $21$ $18$

GO Classes asked in Computer Networks Apr 15

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GO Classes 2023 | IIITH Mock Test 3 | Question: 43
$A$ and $B$ are the only two stations on an Ethernet. Each has a steady queue of frames to send. $A$ and $B$ attempt to transmit a frame, collide, and $B$ wins the first backoff race. At the end of this successful transmission by $B$, both ... transmit and collide. The probability that $A$ wins the second backoff race is: $5/8$ $1/16$ $1/8$ $3/16$

GO Classes asked in Computer Networks Apr 15

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1 vote

3 answers

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GO Classes 2023 | IIITH Mock Test 3 | Question: 44
Which of the following statements about datagrams sent by a node in a network using $\textsf{IPv4}$ protocol is (are) true? Datagrams at the source must be the size of the smallest maximum transmission unit (MTU) of all the ... may be fragmented during routing. Datagrams are reassembled only at the destination. I only II only III only II and III

GO Classes asked in Computer Networks Apr 15

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Computer networks ( data transmission )
If I am sending data from source to destination through a router and router have three interfaces possible then during sending a data packet from sender to receiver via router how many times the packet will go through data link layer ? ( does the answer would be same if we have 2 interfaces at router or any number of interfaces ?) Expalin please anyone :)

shashwatchawla asked in Computer Networks Apr 14

by shashwatchawla

89 views

1 vote

1 answer

15

#ipv4 addressing(find #subnet mask from #Direct broadcast address)
if direct broadcast address is 200.200.200.31 which of the following can be subnet mask? a.255.255.255.224 b.255.255.255.240 c.255.255.255.198 d.255.255.255.128

DHRUVITKUMAR YADAV asked in Computer Networks Apr 12

by DHRUVITKUMAR YADAV

204 views

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Recent questions tagged computer-networks