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Multiple Choice Quiz
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Please answer all questions.




1The _______ is the physical path over which a message travels.
A)Protocol
B)Medium
C)Signal
D)All the above



2The information to be communicated in a data communications system is the _______.
A)Medium
B)Protocol
C)Message
D)Transmission



3Frequency of failure and network recovery time after a failure are measures of the _______ of a network.
A)Performance
B)Reliability
C)Security
D)Feasibility



4An unauthorized user is a network _______ issue.
A)Performance
B)Reliability
C)Security
D)All the above



5Which topology requires a central controller or hub?
A)Mesh
B)Star
C)Bus
D)Ring



6Which topology requires a multipoint connection?
A)Mesh
B)Star
C)Bus
D)Ring



7Communication between a computer and a keyboard involves ______________ transmission.
A)simplex
B)half-duplex
C)full-duplex
D)automatic



8A television broadcast is an example of _______ transmission.
A)simplex
B)half-duplex
C)full-duplex
D)automatic



9A _______ connection provides a dedicated link between two devices.
A)point-to-point
B)multipoint
C)primary
D)secondary



10In a _______ connection, more than two devices can share a single link.
A)point-to-point
B)multipoint
C)primary
D)secondary



11In _______ transmission, the channel capacity is shared by both communicating devices at all times.
A)simplex
B)half-duplex
C)full-duplex
D)half-simplex



12In the original ARPANET, _______ were directly connected together.
A)IMPs
B)host computers
C)networks
D)routers



13This was the first network.
A)CSNET
B)NSFNET
C)ANSNET
D)ARPANET



14Which organization has authority over interstate and international commerce in the communications field?
A)ITU-T
B)IEEE
C)FCC
D)ISOC



15_______ are special-interest groups that quickly test, evaluate, and standardize new technologies.
A)Forums
B)Regulatory agencies
C)Standards organizations
D)All of the above



16Which agency developed standards for physical connection interfaces and electronic signaling specifications?
A)EIA
B)ITU-T
C)ANSI
D)ISO



17_______ is the protocol suite for the current Internet.
A)TCP/IP
B)NCP
C)UNIX
D)ACM



18_______ refers to the structure or format of the data, meaning the order in which they are presented.
A)Semantics
B)Syntax
C)Timing
D)All of the above



19________ defines how a particular pattern to be interpreted, and what action is to be taken based on that interpretation.
A)Semantics
B)Syntax
C)Timing
D)None of the above



20_______ refers to two characteristics: when data should be sent and how fast it can be sent.
A)Semantics
B)Syntax
C)Timing
D)none of the above



21Data flow between two devices can occur in a _______ way.
A)simplex
B)half-duplex
C)full-duplex
D)all of the above



22In a ______ connection, two and only two devices are connected by a dedicated link.
A)multipoint
B)point-to-point
C)(a) and (b)
D)none of the above



23In a ________ connection, three or more devices share a link.
A)multipoint
B)point-to-point
C)(a) and (b)
D)none of the above



24______ refers to the physical or logical arrangement of a network.
A)Data flow
B)Mode of operation
C)Topology
D)None of the above



25Devices may be arranged in a _____ topology.
A)mesh
B)ring
C)bus
D)all of the above



26A _______ is a data communication system within a building, plant, or campus, or between nearby buildings.
A)MAN
B)LAN
C)WAN
D)none of the above



27A ______ is a data communication system spanning states, countries, or the whole world.
A)MAN
B)LAN
C)WAN
D)none of the above



28________ is a collection of many separate networks.
A)A WAN
B)An internet
C)a LAN
D)None of the above



29There are ______________ Internet service providers.
A)local
B)regional
C)national and international
D)all of the above



30A ________ is a set of rules that governs data communication.
A)forum
B)protocol
C)standard
D)none of the above



31________ is an idea or concept that is a precursor to an Internet standard.
A)RCF
B)RFC
C)ID
D)none of the above







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