Recent questions tagged computer-networks

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968
What key(s) are used by the sender of an encrypted message in an asymmetric-key cipher?Private key of the senderPublic or private key of the senderNeither public nor priv...
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969
If in $\text{CIDR}$ notation an $\text{IP}$ address is written as $172.26.17.1/25$, the subnet mask is:$255.255.255.192$$255.255.255.0$$255.255.240.0$$255.255.255.128$
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970
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971
Suppose that a code has the following four valid codewords:$\begin{array} \\ 11001100 \\ 00110011 \\ 11111111 \\ 00000000 \end{array}$What is the minimum number of errors...
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973
Which one of the following fields is present in both $\text{TCP}$ header and $\text{UDP}$ header?Urgent pointerChecksumSequence numberAcknowledgement number
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974
Sliding Window Protocols are Half Duplex or Full duplex ?
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975
How many bits can a 2-dimensional parity detect and correct? Is there any general formula for no of bit detection and correction for N-dimensional parity?
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976
Consider $ISO-OSI$ network architecture reference model. Session layer of this model offers dialog control, token management and ______ as services.SyncronizationAsyncron...
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981
True / False) LSR uses dijkstra algorithm ?) LSR working is similar to dijkstra algorithm ?) DVR uses bellman algorithm for finding the shortest distance to other routers...
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983
A 3000 km long trunck operates at 1.536 x 10^6 bps is used to transmit 64 byte frames and uses SWP. If the propagation speed is 6 micro-sec/km then the number of bits in ...
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986
In Ethernet ..what should be the right condition for collision detection Tt >= 2Tp OR Tt >= 2Tp + Tjam[Tranmission time for jam signal]
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988
Hub is broadcasting device- means collision is there and bridge , switch is broadcasting or collision domain separator- means it has no collisionis it true? and give some...
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989
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990