Computer Network Mcqs

Page No. 12

The total nodal delay is given by ____________


adnodal = dproc – dqueue + dtrans + dprop

✖


bdnodal = dproc + dtrans – dqueue

✖


cdnodal = dproc + dqueue + dtrans + dprop

✓


ddnodal = dproc + dqueue – dtrans – dprop

✖



If end to end delay is given by dend-end = N(dproc + dtrans + dprop) is a non congested network. The number of routers between source and destination is?


aN/2

✖


bN

✖


cN-1

✓


d 2N

✖


View Answer N-1

In the transfer of file between server and client, if the transmission rates along the path is 10Mbps, 20Mbps, 30Mbps, 40Mbps. The throughput is usually ___________


a20Mbps

✖


b 10Mbps

✓


c40Mbps

✖


d50Mbps

✖


View Answer 10Mbps

Given L = number of bits in the packet, a = average rate and R = transmission rate. The Traffic intensity in the network is given by ____________


a La/R

✓


b LR/a

✖


c R/La

✖


dRa/L

✖


View Answer La/R

The time required to examine the packet’s header and determine where to direct the packet is part of __________


aProcessing delay

✓


bQueuing delay

✖


cTransmission delay

✖


dPropagation delay

✖


View Answer Processing delay

For a 10Mbps Ethernet link, if the length of the packet is 32bits, the transmission delay is ____________ (in microseconds)


a3.2

✓


b 32

✖


c0.32

✖


d320

✖


View Answer 3.2

Which of the following delay is faced by the packet in travelling from one end system to another?


aPropagation delay

✖


bQueuing delay

✖


cTransmission delay

✖


d All of the mentioned

✓



Which of the following architecture uses the CSMA/CD access method?


aARC net

✖


bEthernet

✓


cRouter

✖


dSTP server

✖


View Answer Ethernet

What is the max data transfer rate for optical fiber cable?


a10 Mbps

✖


b100 Mbps

✖


c1000 Mbps

✖


d10000 Mbps

✓


View Answer 10000 Mbps

What is the central device in star topology?


a STP server

✖


bHub/switch

✓


cPDC

✖


dRouter

✖


View Answer Hub/switch

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