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Free download in PDF Data Communication Multiple Choice Questions and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams. These short solved questions or quizzes are provided by Gkseries.
(1)
________ is a collection of many separate networks.
[A]
A WAN
[B]
An internet
[C]
A LAN
[D]
None of the above
(2)
_______ is the protocol suite for the current Internet.
[A]
UNIX
[B]
NCP
[C]
TCP/IP
[D]
ACM
(3)
Devices may be arranged in a _____ topology.
[A]
mesh
[B]
ring
[C]
bus
[D]
all of the above
(4)
This was the first network.
[A]
CSNET
[B]
NSFNET
[C]
ARPANET
[D]
ANSNET
(5)
_______ refers to two characteristics: when data should be sent and how fast it can be sent.
[A]
Semantics
[B]
Timing
[C]
Syntax
[D]
none of the above
(6)
A _______ is a data communication system within a building, plant, or campus, or between nearby buildings.
[A]
LAN
[B]
MAN
[C]
WAN
[D]
none of the above
(7)
Which agency developed standards for physical connection interfaces and electronic signaling specifications?
[A]
ISO
[B]
ITU-T
[C]
ANSI
[D]
EIA
(8)
_______ are special-interest groups that quickly test, evaluate, and standardize new technologies.
[A]
Standards organizations
[B]
Regulatory agencies
[C]
Forums
[D]
All of the above
Answer: Regulatory agencies
(9)
Data flow between two devices can occur in a _______ way.
[A]
simplex
[B]
half-duplex
[C]
full-duplex
[D]
all of the above
(10)
A television broadcast is an example of _______ transmission.
[A]
half-duplex
[B]
simplex
[C]
full-duplex
[D]
automatic
(11)
Frequency of failure and network recovery time after a failure are measures of the _______of a network.
[A]
Performance
[B]
Security
[C]
Reliability
[D]
Feasibility
(12)
________ defines how a particular pattern to be interpreted, and what action is to be taken based on that interpretation.
[A]
Syntax
[B]
Semantics
[C]
Timing
[D]
None of the above
(13)
The information to be communicated in a data communications system is the _______.
[A]
Medium
[B]
Protocol
[C]
Message
[D]
Transmission
(14)
In 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
(15)
A ________ is a set of rules that governs data communication.
[A]
protocol
[B]
forum
[C]
standard
[D]
none of the above
(16)
Which topology requires a multipoint connection?
[A]
Bus
[B]
Star
[C]
Mesh
[D]
Ring
(17)
A _______ connection provides a dedicated link between two devices.
[A]
primary
[B]
multipoint
[C]
point-to-point
[D]
secondary
(18)
A ______ is a data communication system spanning states, countries, or the whole world.
[A]
MAN
[B]
WAN
[C]
LAN
[D]
None of the above
(19)
______ refers to the physical or logical arrangement of a network.
[A]
Topology
[B]
Mode of operation
[C]
Data flow
[D]
None of the above
(20)
There are ______________ Internet service providers.
[A]
regional
[B]
local
[C]
national and international
[D]
all of the above
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