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Webpage for Computer Networks:
Recent questions tagged computer-networks
1
votes
1
answer
571
NIELIT Scientific Assistant A 2020 November: 43
In $\text{ICMP}$, in case of time exceeded error, when the datagram visits a router, the value of time to live field is ________ Remains constant Decremented by $2$ Incremented by $1$ Decremented by $1$
In $\text{ICMP}$, in case of time exceeded error, when the datagram visits a router, the value of time to live field is ________Remains constantDecremented by $2$Increme...
gatecse
722
views
gatecse
asked
Dec 9, 2020
Computer Networks
nielit-sta-2020
computer-networks
icmp
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2
votes
1
answer
572
NIELIT Scientific Assistant A 2020 November: 44
Which among the following types of Server filters Website Traffic? POP Server Database Server Proxy Server Mail Server
Which among the following types of Server filters Website Traffic?POP ServerDatabase ServerProxy ServerMail Server
gatecse
592
views
gatecse
asked
Dec 9, 2020
Computer Networks
nielit-sta-2020
computer-networks
network-protocols
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–
1
votes
1
answer
573
NIELIT Scientific Assistant A 2020 November: 62
A digital signature is required: for non-repudiation of communication by a sender for all e-mail sending for all $\text{DHCP}$ server for $\text{FTP}$ transactions
A digital signature is required:for non-repudiation of communication by a senderfor all e-mail sendingfor all $\text{DHCP}$ serverfor $\text{FTP}$ transactions
gatecse
481
views
gatecse
asked
Dec 9, 2020
Computer Networks
nielit-sta-2020
computer-networks
digital-signature
+
–
1
votes
1
answer
574
NIELIT Scientific Assistant A 2020 November: 75
The ___________ field in $\textsf{IPv4}$ datagram is not related to fragmentation. Flag Offset TOS Identifier
The ___________ field in $\textsf{IPv4}$ datagram is not related to fragmentation.FlagOffsetTOSIdentifier
gatecse
390
views
gatecse
asked
Dec 9, 2020
Computer Networks
nielit-sta-2020
computer-networks
fragmentation
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–
1
votes
1
answer
575
NIELIT Scientific Assistant A 2020 November: 82
To guarantee correction of upto $5$ errors in all cases, the minimum Hamming distance in a block code must be ______. $11$ $6$ $5$ $2$
To guarantee correction of upto $5$ errors in all cases, the minimum Hamming distance in a block code must be ______.$11$$6$$5$$2$
gatecse
557
views
gatecse
asked
Dec 9, 2020
Computer Networks
nielit-sta-2020
computer-networks
hamming-code
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–
1
votes
1
answer
576
NIELIT Scientific Assistant A 2020 November: 87
Why does congestion occur? Because the routers and switches have tables Because the routers and switches have queues Because the routers and switches have cross-points None of the options
Why does congestion occur?Because the routers and switches have tablesBecause the routers and switches have queuesBecause the routers and switches have cross-pointsNone o...
gatecse
687
views
gatecse
asked
Dec 9, 2020
Computer Networks
nielit-sta-2020
computer-networks
congestion-control
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–
1
votes
1
answer
577
NIELIT Scientific Assistant A 2020 November: 95
The router table contains addresses belonging to ___________ protocol(s). a single two multiple none of the options
The router table contains addresses belonging to ___________ protocol(s).a singletwomultiplenone of the options
gatecse
512
views
gatecse
asked
Dec 9, 2020
Computer Networks
nielit-sta-2020
computer-networks
network-protocol
+
–
1
votes
2
answers
578
NIELIT Scientific Assistant A 2020 November: 102
You have a network ID of $192.168.10.0$ and require at least $25$ host IDs for each subnet, with the largest amount of subnets available. Which subnet mask should you assign? $255.255.255.192$ $255.255.255.224$ $255.255.255.240$ $255.255.255.248$
You have a network ID of $192.168.10.0$ and require at least $25$ host IDs for each subnet, with the largest amount of subnets available. Which subnet mask should you ass...
gatecse
948
views
gatecse
asked
Dec 9, 2020
Computer Networks
nielit-sta-2020
computer-networks
subnetting
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–
1
votes
1
answer
579
NIELIT Scientific Assistant A 2020 November: 120
In $\text{CRC}$ calculation if divisor is $1011$, and dataword is $1001$ what will be the $\text{CRC}$? $111$ $101$ $110$ $100$
In $\text{CRC}$ calculation if divisor is $1011$, and dataword is $1001$ what will be the $\text{CRC}$?$111$$101$$110$$100$
gatecse
520
views
gatecse
asked
Dec 9, 2020
Computer Networks
nielit-sta-2020
computer-networks
crc-polynomial
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–
3
votes
1
answer
580
UGC NET CSE | October 2020 | Part 2 | Question: 31
Consider a code with only four valid code words: $0000000000$, $0000011111$, $1111100000$, and $1111111111$. This code has distance $5$. If the code word arrived is $0000000111$ then the original code word must be _______ $0000011111$ $0000000000$ $1111100000$ $1111111111$
Consider a code with only four valid code words: $0000000000$, $0000011111$, $1111100000$, and $1111111111$. This code has distance $5$. If the code word arrived is $0000...
go_editor
2.6k
views
go_editor
asked
Nov 20, 2020
Computer Networks
ugcnetcse-oct2020-paper2
computer-networks
hamming-code
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–
0
votes
1
answer
581
UGC NET CSE | October 2020 | Part 2 | Question: 32
Using ‘RSA’ public key cryptosystem, if $p=3$, $q=11$ and $d=7$, find the value of $e$ and encrypt the number $’19’$ $20, 19$ $33,11$ $3, 28$ $77, 28$
Using ‘RSA’ public key cryptosystem, if $p=3$, $q=11$ and $d=7$, find the value of $e$ and encrypt the number $’19’$$20, 19$$33,11$$3, 28$$77, 28$
go_editor
2.0k
views
go_editor
asked
Nov 20, 2020
Computer Networks
ugcnetcse-oct2020-paper2
computer-networks
network-security
cryptography
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–
0
votes
2
answers
582
UGC NET CSE | October 2020 | Part 2 | Question: 33
Protocols in which the sender sends one frame and then waits for an acknowledgment before proceeding for next frame are called as ______ Simplex protocols Unrestricted simplex protocols Simplex stop and wait protocols Restricted simplex protocols
Protocols in which the sender sends one frame and then waits for an acknowledgment before proceeding for next frame are called as ______Simplex protocolsUnrestricted simp...
go_editor
1.9k
views
go_editor
asked
Nov 20, 2020
Computer Networks
ugcnetcse-oct2020-paper2
computer-networks
network-protocols
+
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