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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