Login
Register
Dark Mode
Brightness
Profile
Edit Profile
Messages
My favorites
My Updates
Logout
Webpage for Computer Networks:
Recent questions tagged computer-networks
0
votes
0
answers
1021
MadeEasy Subject Test 2019: Computer Networks - Flow Control Methods
for Transmission delay, 2KB, K shall be 1024 and NOT 1000 as its data, right?
for Transmission delay, 2KB, K shall be 1024 and NOT 1000 as its data, right?
Markzuck
398
views
Markzuck
asked
Dec 17, 2018
Computer Networks
made-easy-test-series
computer-networks
flow-control-methods
+
–
1
votes
0
answers
1022
MadeEasy Subject Test 2019: Computer Networks - Congestion Control
shouldn’t the ans be 5600? as it takes 14 RTTs to get back to full size ans given is considered 15 RTTs please confirm
shouldn’t the ans be 5600? as it takes 14 RTTs to get back to full sizeans given is considered 15 RTTs please confirm
Markzuck
428
views
Markzuck
asked
Dec 17, 2018
Computer Networks
made-easy-test-series
computer-networks
congestion-control
+
–
0
votes
0
answers
1023
gfg quiz
From a large set of prime numbers Jimmy choose 23 and 17 as P and Q respectively and a random integer to be 13. Jimmy wants to sends a plain text to M = 127. What will be the value of cipher text using RSA? since i am getting ciphertext =(127^13) mod 391 now how should i calculate
From a large set of prime numbers Jimmy choose 23 and 17 as P and Q respectively and a random integer to be 13. Jimmy wants to sends a plain text to M = 127. What will be...
vijju532
488
views
vijju532
asked
Dec 17, 2018
Computer Networks
computer-networks
network-security
rsa-security-networks
+
–
3
votes
2
answers
1024
MadeEasy Test Series: Computer Networks - Flow Control Methods
Assume 2 computers are connected via a network. The network uses Go-Back 7 sliding window protocol for maintaining flow control. It is observed that every 5th packet that has been sent through the network is lost. ... number of extra packets that has to be resent for transmitting 10 such packet through the network? With explanation.
Assume 2 computers are connected via a network. The network uses Go-Back 7 sliding window protocol for maintaining flow control. It is observed that every 5th packet that...
Subham Nagar
2.5k
views
Subham Nagar
asked
Dec 17, 2018
Computer Networks
made-easy-test-series
computer-networks
flow-control-methods
go-back-n
+
–
0
votes
0
answers
1025
Channel Utilization
Consider a LAN with 500 stations connected to five 500 m segments. The data rate is 10 Mbps and slot time is 51.2 micro sec, If all the stations transmit With equal probability what is the channel utilization using a frame size of 512 bytes? Note-Number of contention slots are 1.716 how to proceed with these kind of questions?
Consider a LAN with 500 stations connected to five 500 m segments. The data rate is 10 Mbps and slot time is 51.2 micro sec, If all the stations transmit With equal proba...
aditi19
2.0k
views
aditi19
asked
Dec 16, 2018
Computer Networks
computer-networks
ethernet
+
–
2
votes
2
answers
1026
# CN TCP connection establishment doubt about MSS
Say Client buffer is of 12000 Bytes and MSS is 1200 B and this info is sent to server and now server send the info in (SYN +ACK) segment as Server Buffer = 18000 B and MSS is 600 B Now in data transfer phase does both Client and ... 1200, 600) = 600 Bytes? Or does the sever will send 1200 Bytes segments to C and C sends 600 B segments to server?
Say Client buffer is of 12000 Bytes and MSS is 1200 B and this info is sent to server and now server send the info in (SYN +ACK) segment as Server Buffer = 18000 B and MS...
iarnav
693
views
iarnav
asked
Dec 16, 2018
Computer Networks
computer-networks
tcp
ip-packet
network
+
–
0
votes
0
answers
1027
self doubts
Is there any difference in round trip delay when change in transmission medium like double duplex single, single duplex and half duplex with respected to n packets transmitted from A to B.
Is there any difference in round trip delay when change in transmission medium like double duplex single, single duplex and half duplex with respected to n packets transm...
Gawade Sahadev
137
views
Gawade Sahadev
asked
Dec 15, 2018
Computer Networks
computer-networks
+
–
2
votes
2
answers
1028
MadeEasy Test Series 2019: Computer Networks - Sliding Window
Assume 2 computers are connected via a network. The network uses GB-7 sliding window protocol for flow control.It is observed that every 5th packet that has been sent is lost. The number of extra packets needs to resend Number of total packets transmitted by sender for sending 10 packets .
Assume 2 computers are connected via a network. The network uses GB-7 sliding window protocol for flow control.It is observed that every 5th packet that has been sent is ...
jatin khachane 1
3.8k
views
jatin khachane 1
asked
Dec 15, 2018
Computer Networks
made-easy-test-series
computer-networks
go
go-back-n
+
–
0
votes
1
answer
1029
ME CN 1
Consider the following statements: Which of the above statement is correct? A Hidden terminals can be handled by using either of RTS or CTS control frame. B RTS/CTS exchange helps in reducing collisions and leads to efficient use of channel resources. C 802.11 frame has three address fields. D By the help of 802.11 frame, we can come to known whether encryption is used on n
Consider the following statements:Which of the above statement is correct?A Hidden terminals can be handled by using either of RTS or CTS control frame.B RTS/CTS exchange...
himgta
922
views
himgta
asked
Dec 15, 2018
Computer Networks
computer-networks
csma-ca
+
–
3
votes
2
answers
1030
MadeEasy Subject Test 2019: Computer Networks - Subnetting
In the network 143.128.67.235 / 20, it x represent the decimal value of 3rd octet and y represent the decimal value of 4th octet of last IP address assigned to any host, then the value of x*y is
In the network 143.128.67.235 / 20, it x represent the decimal value of 3rd octet and y represent the decimal value of 4th octet of last IP address assigned to any host, ...
scarz
1.1k
views
scarz
asked
Dec 13, 2018
Computer Networks
made-easy-test-series
computer-networks
subnetting
+
–
0
votes
0
answers
1031
Self Doubt
What is the maximum size of packet which one host can send to other host through application layer?.
What is the maximum size of packet which one host can send to other host through application layer?.
raahul
144
views
raahul
asked
Dec 13, 2018
Computer Networks
computer-networks
+
–
0
votes
0
answers
1032
IP Header Doubt
https://gateoverflow.in/2062/gate2014-3-28 In the above question we are subtracting the header length from the IP paxket to find out number of IP fragments. But in this question https://gateoverflow.in/8255/gate2015-2-52 Why we are adding the header length to the UDP datagram to find number of IP fragments?
https://gateoverflow.in/2062/gate2014-3-28In the above question we are subtracting the header length from the IP paxket to find out number of IP fragments.But in this que...
Shamim Ahmed
424
views
Shamim Ahmed
asked
Dec 13, 2018
Computer Networks
computer-networks
ip-addressing
+
–
1
votes
1
answer
1033
Calculate mod in RSA algorithm
How to calculate Mod of a big number in RSA Like 5 raise to power 13 mod 77
How to calculateMod of a big number in RSALike 5 raise to power 13 mod 77
Fida
1.8k
views
Fida
asked
Dec 10, 2018
Computer Networks
cryptography
computer-networks
+
–
2
votes
1
answer
1034
MadeEasy Subject Test 2019: Computer Networks - Flow Control Methods
consider a network connecting two nodes A and B having a propagation delay of 6*10^-4 micro sec.bandwidth of network is 150 Mbps if each frame size is 5000 bytes and both uses go back n sliding window protocal, where maximum 100 frames can be sent at a time then the maximum possible data rate is ----- [ mbps]
consider a network connecting two nodes A and B having a propagation delay of 6*10^-4 micro sec.bandwidth of network is 150 Mbps if each frame size is 5000 bytes and both...
suneetha
1.7k
views
suneetha
asked
Dec 9, 2018
Computer Networks
made-easy-test-series
computer-networks
flow-control-methods
sliding-window
+
–
3
votes
1
answer
1035
MadeEasy Subject Test 2019: Computer Networks - Network Switching
junaid ahmad
826
views
junaid ahmad
asked
Dec 8, 2018
Computer Networks
made-easy-test-series
computer-networks
network-switching
+
–
2
votes
1
answer
1036
Sequence number In SWP
junaid ahmad
629
views
junaid ahmad
asked
Dec 8, 2018
Computer Networks
computer-networks
sliding-window
sequencenumber
+
–
0
votes
1
answer
1037
GBN Maximum possible data rate
junaid ahmad
677
views
junaid ahmad
asked
Dec 8, 2018
Computer Networks
computer-networks
go-back-n
+
–
2
votes
1
answer
1038
IP Address allocation
An ISP has assigned an address block to user in which 4096 hosts can be assigned IP addresses. Which of the following can be the network ID ? 168.72.90.0/20 168.72.96.0/20 168.72.64.64/20 168.64.64.0/24
An ISP has assigned an address block to user in which 4096 hosts can be assigned IP addresses. Which of the following can be the network ID ?168.72.90.0/20168.72.96.0/201...
Na462
2.1k
views
Na462
asked
Dec 8, 2018
Computer Networks
computer-networks
ip-addressing
subnetting
network-addressing
+
–
3
votes
3
answers
1039
NIELIT 2018-31
Identify the subnet mask for the given direct broadcast address of subnet is $201.15.16.31$ $255.255.192.192$ $255.255.255.198$ $255.255.255.240$ $255.255.257.240$
Identify the subnet mask for the given direct broadcast address of subnet is $201.15.16.31$$255.255.192.192$$255.255.255.198$$255.255.255.240$$255.255.257.240$
Arjun
2.3k
views
Arjun
asked
Dec 7, 2018
Computer Networks
nielit-2018
computer-networks
subnetting
+
–
1
votes
3
answers
1040
NIELIT 2018-44
Time to Live(TTL) field in the IP datagram is used ______ to optimize throughput to prevent packet looping to reduce delays to prioritize packets
Time to Live(TTL) field in the IP datagram is used ______to optimize throughputto prevent packet loopingto reduce delaysto prioritize packets
Arjun
1.8k
views
Arjun
asked
Dec 7, 2018
Computer Networks
nielit-2018
computer-networks
ttl
+
–
2
votes
3
answers
1041
NIELIT 2018-45
______ transport layer protocol is used to support electronic mail SNMP IP SMTP TCP
______ transport layer protocol is used to support electronic mailSNMPIPSMTPTCP
Arjun
2.2k
views
Arjun
asked
Dec 7, 2018
Computer Networks
nielit-2018
computer-networks
transport-layer
+
–
1
votes
1
answer
1042
NIELIT 2018-53
Identify the true statement from the given statements. HTTP may use different TCP connection for different objects of a webpage if non-persistent connections are used FTP uses two TCP connections, one for data and another control TELNET and FTP can only use TWO connections at a time $1$ $1$ and $2$ $2$ and $3$ $1$, $2$ and $3$
Identify the true statement from the given statements.HTTP may use different TCP connection for different objects of a webpage if non-persistent connections are usedFTP u...
Arjun
2.7k
views
Arjun
asked
Dec 7, 2018
Computer Networks
nielit-2018
computer-networks
network-protocols
+
–
3
votes
3
answers
1043
NIELIT 2018-68
_____ IP address can be used in WAN $256.0.0.1$ $172.16.0.10$ $15.1.5.6$ $127.256.0.1$
_____ IP address can be used in WAN$256.0.0.1$$172.16.0.10$$15.1.5.6$$127.256.0.1$
Arjun
7.7k
views
Arjun
asked
Dec 7, 2018
Computer Networks
nielit-2018
computer-networks
ip-addressing
+
–
2
votes
2
answers
1044
NIELIT 2018-79
Given message $M=1010001101$. The CRC for this given message using the divisor polynomial $x^5+x^4+x^2+1$ is ______ $01011$ $10101$ $01110$ $10110$
Given message $M=1010001101$. The CRC for this given message using the divisor polynomial $x^5+x^4+x^2+1$ is ______$01011$$10101$$01110$$10110$
Arjun
2.3k
views
Arjun
asked
Dec 7, 2018
Computer Networks
nielit-2018
computer-networks
crc-polynomial
+
–
2
votes
1
answer
1045
Madeesay Test Series
Consider TCP implements an extension that allows window size much larger than 64KB. Suppose you are using this extended TCP over a 1Gbps link with a latency of 50ms to transfer a 10 MB file and TCP receive window is 1MB. If TCP sends 1KB packet ... multiplied by link latency, then effective throughput of transfer is x Mbps. Find x. (Assuming no congestion and no lost packets)
Consider TCP implements an extension that allows window size much larger than 64KB. Suppose you are using this extended TCP over a 1Gbps link with a latency of 50ms to tr...
Ankit Gupta 5
3.4k
views
Ankit Gupta 5
asked
Dec 6, 2018
Computer Networks
tcp
computer-networks
+
–
0
votes
0
answers
1046
#CN UserGate 2004 IPV4 question
Consider three IP networks A,B and C. Host HA in network A sends messages each containing 180 bytesof application data to a host HC in network C. The TCP layer prefixes 20 byte header to the message. This passes through an intermediate network B. ... ). My question is what's the overhead at Network Layer and also at Transport Layer of the Host C (Destination Host)
Consider three IP networks A,B and C. Host HA in network A sends messages each containing 180 bytesof application data to a host HC in network C. The TCP layer prefixes 2...
iarnav
490
views
iarnav
asked
Dec 5, 2018
Computer Networks
computer-networks
ip-addressing
tcp
transport-layer
+
–
0
votes
0
answers
1047
Ace Test Series: Computer Networks - Transfer Time
Suppose two hosts are connected through two intermediate switches Suppose each link (one way) propagation delay is 20 ms and each link data transfer rate is 1 Mbps. If packet size is 1000 bytes then the amount of time required to send one file of size 5000 Bytes from sender to receiver is______ ms.
Suppose two hosts are connected through two intermediate switchesSuppose each link (one way) propagation delay is 20 ms and eachlink data transfer rate is 1 Mbps.If packe...
Nidhi Budhraja
649
views
Nidhi Budhraja
asked
Dec 4, 2018
Computer Networks
ace-test-series
computer-networks
+
–
2
votes
2
answers
1048
Subnets
Given an IP address 156.233.42.56 with a subnet mask of 7 bits. How many hosts and Subnets are Possible ? 126 hosts and 510 subnet 128 host and 512 subnet 510 hosts and 126 subnet 512 hosts and 128 Subnet
Given an IP address 156.233.42.56 with a subnet mask of 7 bits. How many hosts and Subnets are Possible ?126 hosts and 510 subnet128 host and 512 subnet510 hosts and 126 ...
Na462
2.4k
views
Na462
asked
Dec 4, 2018
Computer Networks
subnetting
computer-networks
network-addressing
+
–
1
votes
4
answers
1049
Subnet addresses
A class B network address 130.50.0.0 is submitted as follows. The last 10 bits of the host id are allotted for host number and the remaining 6 bits are reserved for subnet number. How many subnets and number of hosts in each subnet are possible with above scheme ? 62,1022 30,510 14,254 ... 130.50.4.1 and 130.50.16.1 130.50.1.1 and 130.50.4.1 130.50.0.0 and 130.50.3.0 None of these
A class B network address 130.50.0.0 is submitted as follows. The last 10 bits of the host id are allotted for host number and the remaining 6 bits are reserved for subne...
Na462
2.2k
views
Na462
asked
Dec 4, 2018
Computer Networks
computer-networks
network-addressing
subnetting
ip-addressing
+
–
0
votes
0
answers
1050
Token ring
Na462
1.3k
views
Na462
asked
Dec 3, 2018
Computer Networks
computer-networks
token-ring
+
–
Page:
« prev
1
...
30
31
32
33
34
35
36
37
38
39
40
...
102
next »
Email or Username
Show
Hide
Password
I forgot my password
Remember
Log in
Register