Recent questions tagged computer-networks

1 votes
1 answer
571
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...
2 votes
1 answer
572
1 votes
1 answer
573
A digital signature is required:for non-repudiation of communication by a senderfor all e-mail sendingfor all $\text{DHCP}$ serverfor $\text{FTP}$ transactions
1 votes
1 answer
574
1 votes
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575
To guarantee correction of upto $5$ errors in all cases, the minimum Hamming distance in a block code must be ______.$11$$6$$5$$2$
1 votes
1 answer
576
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...
1 votes
1 answer
577
1 votes
1 answer
579
0 votes
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581