Computer Networks MCQ-2

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1)Frame Relay

a)does not use error correction routine
b)is used by facsimile machines
c)uses error correction routines
d)does not work weel on the internet
e)is an outdated technology
2)At……… layer,TCP/IP defines two protocols: Transmission Control Protocol and User Datagram Protocol(UDP)
a)Transport Layer
b)Network Layer
c)Physical Layer
d)Application Layer
e)None of these
3)The ……..layer is the layer closest to transmission medium.
a)Transport
b)Network
c)Data Link
d)Physical
e)None of these
4)Which protocol does ping use?
a)TCP
b)ARP
c)ICMP
d)BootP
e)None of these
5)How many collision domains are created when you segment a network with a 12 port switch?
a)1
b)2
c)5
d)12
e)None of these
6)Synchronous optical network(SONET)
a)It provides away to multiplex digital channels together
b)It consists of switches, multiplexes and repeaters all connected by fiber
c)Sonet can be meshed but is often dual ring
d)All of the above
e)None of these
7)Packages are used
a)to avoid name collision
b)to determine the accessibility of variables
c)to fast retrieving
d)All of the above
e)None of these
8)What is main reason for OSI model creation
a)To create a layered model larger than the DoD model
b)Application developers can change only one layers protocol at a time
c)So different networks could communicate
d)Cisco could use the model
e)None of these
9)Which of the following forms does not describe parallel ATA devices
a)SCSI
b)IOE and DOE
c)IOE
d)DOE
e) ATA
10)Which of the following could be a legitimate Media Access Control Address
a)192.168.254.3
b)3FA2.4756.F9A3
c)A5514
d)C1.3A.77.5B
e)None of these
Answers:
1)a
2)a
3)d
4)c
5)d
6)d
7)a
8)c
9)a
10)d