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Webpage for Computer Networks:
Recent questions tagged computer-networks
13
votes
6
answers
901
GATE CSE 2019 | Question: 54
In an RSA cryptosystem, the value of the public modulus parameter $n$ is $3007$. If it is also known as that $\phi(n)=2880$ where $\phi()$ denotes Euler’s Totient Function, then the prime factor of $n$ which is greater than $50$ is _________
In an RSA cryptosystem, the value of the public modulus parameter $n$ is $3007$. If it is also known as that $\phi(n)=2880$ where $\phi()$ denotes Euler’s Totient Funct...
Arjun
8.9k
views
Arjun
asked
Feb 7, 2019
Computer Networks
gatecse-2019
numerical-answers
computer-networks
network-security
out-of-gate-syllabus
2-marks
+
–
0
votes
1
answer
902
GATE 2019
To connect 15 system in local network, how many 8 port switch required...if switch dont have uplink.
To connect 15 system in local network, how many 8 port switch required...if switch dont have uplink.
ROHIT SHARMA 5
555
views
ROHIT SHARMA 5
asked
Feb 5, 2019
Computer Networks
computer-networks
+
–
0
votes
1
answer
903
Ace Subject Test : Computer Networks - Fragmentation
Na462
700
views
Na462
asked
Feb 2, 2019
Computer Networks
computer-networks
ace-test-series
+
–
1
votes
1
answer
904
ME adv Test
Suppose that host A is connected to a router R1, R1 is connected to another router R2 and R2 is connected to host B. Suppose that a TCP message that contains 900 bytes of data and 20 bytes of TCP header is passed to the IP layer at host A for delivery to B. Assume ... Offset=63 LENGTH=460; DF=0;MF=0;Offset=60. (Given ans is C can anyone help with this question whether ans is D or C? )
Suppose that host A is connected to a router R1, R1 is connected to another router R2 and R2 is connected to host B. Suppose that a TCP message that contains 900 bytes of...
newdreamz a1-z0
679
views
newdreamz a1-z0
asked
Jan 31, 2019
Computer Networks
computer-networks
fragmentation
+
–
0
votes
1
answer
905
Made Easy Subject Test 2019: Computer Networks - Lan Technologies
100 stations on a pure Aloha network share a 1 MBPS channel. if frames are 1000 bits long, find the throughput if each station is sending 10 frames per second
100 stations on a pure Aloha network share a 1 MBPS channel. if frames are 1000 bits long, find the throughput if each station is sending 10 frames per second
Jaggi
554
views
Jaggi
asked
Jan 30, 2019
Computer Networks
computer-networks
made-easy-test-series
+
–
1
votes
0
answers
906
MadeEasy Full Length Test 2019: Computer Networks - Sliding Window
A 1 Mbps satellite link connects two ground stations. The altitude of the satellite is 6000 km and speed of the signal is 3 10^8 m/s. What should be the packet size for a channel utilization of 50% ... packets are negligible in size and that there are no errors during communication. 81031 Bytes 83101 Bytes 801301 Bytes 81301 Bytes
A 1 Mbps satellite link connects two ground stations. The altitude of the satellite is 6000 km and speed of the signal is 3 × 10^8 m/s. What should be the packet size ...
Badayayash
804
views
Badayayash
asked
Jan 28, 2019
Computer Networks
sliding-window
computer-networks
made-easy-test-series
+
–
0
votes
1
answer
907
Applied course
Calculate total time to transmit a 1500 KB file over a link.Assume one way delay in either direction is 40ms .Bandwidth is 1Mbps and packet size including header is 1 KB where header length is 40 Bytes ?
Calculate total time to transmit a 1500 KB file over a link.Assume one way delay in either direction is 40ms .Bandwidth is 1Mbpsand packet size including header is 1 KB ...
screddy1313
467
views
screddy1313
asked
Jan 27, 2019
Computer Networks
numerical-answers
computer-networks
transmission-media
+
–
0
votes
1
answer
908
10Base5 cable
I think its answers should be 500 m , is any one having idea of this:
I think its answers should be 500 m , is any one having idea of this:
Nandkishor3939
601
views
Nandkishor3939
asked
Jan 26, 2019
Computer Networks
computer-networks
+
–
0
votes
0
answers
909
self doubt
is it correct solution?
is it correct solution?
iamdeepakji
441
views
iamdeepakji
asked
Jan 26, 2019
Computer Networks
computer-networks
+
–
0
votes
1
answer
910
DH algorithm
How to calculate such a value: Please, someone explain because this is not possible on cal….!
How to calculate such a value:Please, someone explain because this is not possible on cal….!
Nandkishor3939
448
views
Nandkishor3939
asked
Jan 25, 2019
Computer Networks
computer-networks
cryptography
+
–
0
votes
0
answers
911
TestBook_FLT
Frames of 20000Bytes are sent over a 10Megabytes per second duplex link between two hosts.Propagation time is 45ms(One-way). Suppose that the sliding window protocol is used with the sender window size of 16 and acknowledgements are always piggybacked.After sending 35 frames, what is the minimum time the sender will have to wait before starting transmission of next frame?
Frames of 20000Bytes are sent over a 10Megabytes per second duplex link between two hosts.Propagation time is 45ms(One-way).Suppose that the sliding window protocol is us...
Ayush Upadhyaya
317
views
Ayush Upadhyaya
asked
Jan 25, 2019
Computer Networks
computer-networks
+
–
1
votes
0
answers
912
Count to infinity
Accorsing to Kenneth rosen, poison reverse cant solve count to infinity What is difference between split horizon and poison reverse. Can split horizon solve count to infinity problem? Can split horizon with poison reverse solve count to infinity problem?
Accorsing to Kenneth rosen, poison reverse cant solve count to infinityWhat is difference between split horizon and poison reverse.Can split horizon solve count to infini...
bts1jimin
471
views
bts1jimin
asked
Jan 24, 2019
Computer Networks
computer-networks
+
–
0
votes
2
answers
913
ACE CBT 2018
Identify valid statements pertaining to switching S1: Computer networks are based on packet switching. S2: Packet switching increases the available throughput. (A) Both S1 and S2 (B) S1 only (C) S2 only (D) Neither S1 nor S2
Identify valid statements pertaining to switchingS1: Computer networks are based on packet switching.S2: Packet switching increases the available throughput.(A) Both S1 a...
OneZero
533
views
OneZero
asked
Jan 24, 2019
Computer Networks
computer-networks
gate2018-analysis
+
–
2
votes
0
answers
914
MadeEasy Full Length Test 2019: Computer Networks - Network Flow
Consider a source computer (S) transmitting a file of size $2 * 10^6$ bits to a destination computer (D) over a network of three routers ($R_1$, $R_2$ and $R_3$) and four links $(L_1, L_2, L_3 and L_4)$. $L_1$ connects $S$ ... and propagation delays in transmitting the file from $S$ to $D$? a. 1007 ms b. 1010 ms c. 2010 ms d 2007 ms
Consider a source computer (S) transmitting a file of size $2 * 10^6$ bits to a destination computer (D) over a network of three routers ($R_1$, $R_2$ and $R_3$) and four...
CSHuB
405
views
CSHuB
asked
Jan 24, 2019
Computer Networks
computer-networks
network-flow
made-easy-test-series
+
–
1
votes
0
answers
915
TestBook_FLT
A data is sent to UDP,along with a pair of socket address and the length of the data.After receiving data,UDP adds the header and passes the UDP datagram to IP.What is the maximum size of the payload that can be encapsulated in a UDP datagram, to avoid fragmentation. ... $1500-20-8=1472\,Bytes$ But Answer is given to be $65507$ I know how that figure came but my question is Why that?
A data is sent to UDP,along with a pair of socket address and the length of the data.After receiving data,UDP adds the header and passes the UDP datagram to IP.What is th...
Ayush Upadhyaya
400
views
Ayush Upadhyaya
asked
Jan 22, 2019
Computer Networks
computer-networks
+
–
2
votes
1
answer
916
Made easy test series computer network gbn Sr sliding window protocol
Consider two computers A and B are connected through a network of 30 Mbps. Assume the distance between them is 3000km and the signal propagation speed is same as the speed of light and the packet size is 12 KB. What is the minimum number of bits ... -N and selective repeat protocol? A . 5 and 6 B. 6 and 7 C. 6 and 6 D. 7 and 8
Consider two computers A and B areconnected through a network of 30 Mbps. Assume the distance between them is 3000km and the signal propagation speed is same as the speed...
Ram Swaroop
1.7k
views
Ram Swaroop
asked
Jan 22, 2019
Computer Networks
sliding-window
computer-networks
selective-repeat
go-back-n
+
–
1
votes
0
answers
917
MadeEasy Test Series : Computer Networks - Sliding Window
Q.Consider a network connecting two systems connected 2000 Km apart. The band width of the network is 70 Mbps. The propagation speed of the signal is 2 10 m/sec and average size of the frame is 10 KB. Assume processing delays at nodes ... x 10^3 bits , how? it should be multiplied with 8 to convert frame to bits. correct me if i m wrong.
Q.Consider a network connecting two systems connected 2000 Km apart. The band width of the network is 70 Mbps. The propagation speed of the signal is 2 × 10 m/sec and av...
Badayayash
510
views
Badayayash
asked
Jan 22, 2019
Computer Networks
computer-networks
sliding-window
made-easy-test-series
+
–
0
votes
0
answers
918
MeTest-MOCK2
When 54 bytes of data is transferred using the UDP protocol, the efficiency is? (In per cent) IN UDP, the maximum datagram size can be $2^{16}-1 \, bytes$ Now to this, 8 Bytes of UDP header is included and this together must fit within $65535\, bytes$ IPv4 ... are actually sending 54 Bytes, so the efficiency of the protocol is $\frac{54}{65507} \times 100(\,in\,\%)$ Am I correct?
When 54 bytes of data is transferred using the UDP protocol, the efficiency is? (In per cent)IN UDP, the maximum datagram size can be $2^{16}-1 \, bytes$Now to this, 8 By...
Ayush Upadhyaya
505
views
Ayush Upadhyaya
asked
Jan 22, 2019
Computer Networks
computer-networks
+
–
2
votes
2
answers
919
Made Easy Subject Test 2019: Computer Networks - Congestion Control
I thought 2600 cause after 34, it takes one RTT and size becomes 36 before sending the 14th segment(i.e., segment with window size = 36KB). Questions based on this are confusing. Please clarify.
I thought 2600 cause after 34, it takes one RTT and size becomes 36 before sending the 14th segment(i.e., segment with window size = 36KB). Questions based on this are c...
Naveen Muralidhar
665
views
Naveen Muralidhar
asked
Jan 20, 2019
Computer Networks
computer-networks
congestion-control
made-easy-test-series
+
–
0
votes
1
answer
920
Sliding Window protocol.
There are two stations A and B connected by a $512 * 10^3$ bps network using a sliding window protocol. The speed of the signal is $10^8$ meter/sec and the distance between two stations is $45,000$ km. If the packet size is $256$ B, then what will be the optimal window size(in packets)?
There are two stations A and B connected by a $512 * 10^3$ bps network using a sliding window protocol. The speed of the signal is $10^8$ meter/sec and the distance betwe...
`JEET
754
views
`JEET
asked
Jan 19, 2019
Computer Networks
computer-networks
sliding-window
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–
0
votes
0
answers
921
hamming code
what is approach to solve this type of question?
what is approach to solve this type of question?
Rahul_Rathod_
584
views
Rahul_Rathod_
asked
Jan 19, 2019
Computer Networks
hamming-code
computer-networks
hamming
hamming
distance
+
–
0
votes
1
answer
922
Ace Test Series: Computer Networks - IP Inverse
Shubhanshu
642
views
Shubhanshu
asked
Jan 19, 2019
Computer Networks
ace-test-series
computer-networks
network-security
+
–
1
votes
1
answer
923
Ace Test Series 2019: Computer Networks - Congestion Control
Na462
637
views
Na462
asked
Jan 19, 2019
Computer Networks
computer-networks
tcp
congestion-control
ace-test-series
+
–
1
votes
1
answer
924
Testbook Test Series: Computer Networks - Sliding Window
Frames of 20000 bytes are sent over 10 MBps full duplex link between 2 hosts. Propagation is 45 ms.Suppose that the sliding window protocol is used with the sender window size of 16 and acknowledgements are piggybacked.After sending 35 frames , what is the minimum time sender will have to wait before starting transmission of the next frame
Frames of 20000 bytes are sent over 10 MBps full duplex link between 2 hosts. Propagation is 45 ms.Suppose that the sliding window protocol is used with the sender window...
jatin khachane 1
1.1k
views
jatin khachane 1
asked
Jan 18, 2019
Computer Networks
testbook-test-series
computer-networks
sliding-window
+
–
1
votes
2
answers
925
AppliedCourse MOCK
Consider a TCP connection between two machines (A and B) in an environment with 0% packet loss. Assume the round trip time (RTT) between the two machines is 4 [seconds], and the segment size is 3 [Kbytes]. The bandwidth of the connection is 500 [kbps]. ... close to zero. I.e., TCP packets are continuously, back-to-back, sent out of the sender before the first ack arrives back.)
Consider a TCP connection between two machines (A and B) in an environment with 0% packet loss. Assume the round trip time (RTT) between the two machines is 4 [seconds], ...
jatin khachane 1
967
views
jatin khachane 1
asked
Jan 18, 2019
Computer Networks
computer-networks
+
–
0
votes
0
answers
926
AppliedCourse MOCK
A system uses selective repeat protocol with window size of 4. If each packet carries 5000 bits , then the time taken to tranfer 5 milion bits of data, if the distance between sender and receiver is 2500km , the propagation speed is 2* 10^8 m/s and data rate is 1Mbps. We assume no data or ACK is lost
A system uses selective repeat protocol with window size of 4. If each packet carries 5000 bits , then the time taken to tranfer 5 milion bits of data, if the distance be...
jatin khachane 1
341
views
jatin khachane 1
asked
Jan 18, 2019
Computer Networks
computer-networks
+
–
0
votes
0
answers
927
Reading Doubt
Which has lower latency amongst “Switch” and “Router”. And why ?
Which has lower latency amongst “Switch” and “Router”. And why ?
Hardik Maheshwari
321
views
Hardik Maheshwari
asked
Jan 17, 2019
Computer Networks
routers-bridge-hubs-switches
computer-networks
network-switching
+
–
0
votes
1
answer
928
cbt-1
A Selective Repeat ARQ is using 7 bits to represent the sequence numbers.The maximum window size is __________. (ans is 64) why It is
A Selective Repeat ARQ is using 7 bits to represent the sequence numbers.The maximum window size is __________.(ans is 64)why It is
mrinmoyh
2.7k
views
mrinmoyh
asked
Jan 17, 2019
Computer Networks
computer-networks
flow-control-methods
cbt-2019
+
–
0
votes
1
answer
929
ME test series question on IP and MAC
Shankar Kakde
550
views
Shankar Kakde
asked
Jan 16, 2019
Computer Networks
computer-networks
mac-address
+
–
1
votes
1
answer
930
Applied Course | Mock GATE | Test 1 | Question: 31
Which of the following statement is/are correct? A Router has a physical and logical(IP) address for each of its interfaces. A router acts only on those packets in which the link-layer destination address matches the address of ... changes the link-layer address of the packet (both source and destination) when it forwards the packet. All the above
Which of the following statement is/are correct?A Router has a physical and logical(IP) address for each of its interfaces.A router acts only on those packets in which th...
Applied Course
701
views
Applied Course
asked
Jan 16, 2019
Computer Networks
applied-course-2019-mock1
routing
computer-networks
+
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