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Quizzes
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1
A local area network (LAN) is defined by _______________.
A)the geometric size of the network
B)the maximum number of hosts in the network
C)the maximum number of hosts in the network and/or the geometric size of the network
D)the topology of the network
2
The largest geographic area a wide area network (WAN) can span is _______________.
A)a town
B)a state
C)a country
D)the world
3
A proposed standard is elevated to ________ standard status after at least two successful tries.
A)informational
B)historic
C)draft
D)None of the choices are correct
4
Which of the following is not one of the components of a data communication system?
A)Message
B)Sender
C)Medium
D)All of the choices are correct
5
Which of the following is not one of the characteristics of a data communication system?
A)Delivery
B)Accuracy
C)Jitter
D)All of the choices are correct
6
Data can flow only in one direction all of the times in a _________ mode.
A)simplex
B)half-duplex
C)full-duplex
D)None of the choices are correct
7
Data can flow only in both direction all of the times in a _________ mode.
A)simplex
B)half-duplex
C)full-duplex
D)None of the choices are correct
8
Which of the following is not one of the network criteria?
A)Performance
B)Reliability
C)Security
D)All of the choices are correct
9
In a _____________ communication, the media needs to be shared between devices.
A)point-to-point
B)multipoint
C)mesh
D)None of the choices are correct
10
In a _____________ communication, the media is dedicated.
A)point-to-point
B)multipoint
C)mesh
D)None of the choices are correct
11
In a fully connected mesh topology with six computers, we need ________ links.
A)6
B)36
C)15
D)None of the choices are correct
12
In a star topology with six computers, we need ________ links.
A)6
B)1
C)5
D)None of the choices are correct
13
An RFC is labeled ________ if it must be implemented by all Internet systems.
A)required
B)elective
C)recommended
D)None of the choices are correct
14
In the original ARPANET, _______ were directly connected to each other.
A)interface message processors (IMPs)
B)host computers
C)networks
D)routers
15
_______ was formed to connect universities with no defense ties.
A)ARPANET
B)CSNET
C)NSFNET
D)ANSNET
16
Currently _______ is responsible for the management of Internet domain names and addresses.
A)NIC
B)ICANN
C)ISOC
D)IEFE





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