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CS601 Solved MCQs - CS601 Solved Online Quizzes - CS601 Solved MCQs Bank - CS601 MCQs Collection from Online Quizzes – CS601 Mega Solved MCQs

CS601 Solved MCQs - CS601 Solved Online Quizzes - CS601 Solved MCQs Bank - CS601 MCQs Collection from Online Quizzes – CS601 Mega Solved MCQs  

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CS601 - Data Communication Solved MCQs

Multiplexing is the set of techniques that allows simultaneous TX of multiple signals across a___________ data link.
Single

Double
Multi
None of the given

Speed of light in a vacuum.
200000 Km/sec
300000 Km/sec

600000 Km/sec
None of Given

 A traditional telephone line has a bandwidth of __________.
2000 Hz

4000 Hz
2000 MHz
4000 MHz 

Mechanical specifications of _________ define a combination of two connectors , on with 37 pins and one with 9 pins for a combined 46 pins.
EIA 558
EIA 854
EIA 302
EIA 448

STP can eliminate a phenomenon called Crosstalk.
True
False 

A ______________ modem is used to connect two DTEs directly.
NULL

Cable
DSL
None of the given 

TROPOSHERE is the layer of atmosphere above the troposhere but below space.
True
False

 Effective bandwidth of telephone line used for data transmission is 2400 Hz covering a range from 600 Hz to 3000 Hz..
1500 Hz
1200 Hz
2000 Hz
2400 Hz 

Bandwidth required for the ASK is equal to the __________ of the signal.
Baud rateFrequency
Period
Phase 

TROPOSHERE is the portion of the atmosphere extending outwards approx. 30 miles from the earth.
 True 

False

 WDM stands for
Wave Division Multiplexing

Wrong Division Multiplexing
Well Division Multiplexing
West Division Multiplexing

 Bit stuffing is the process in which extra bits are___________.
Removed
Added
Added and Removed

None of the above 

Data rate limitation of traditional modems is 6KHz..
True
False

Time slots are dynamically allotted in _______________TDM technique.
FDM
Asynchronous
WDM
Synchronous

___________ uses a series of filters to decompose multiplexed signal into its constituent signals.
MUX
DEMUX

DELUX
any of the given

Telephone network is an example of a __________ network.
Packet-switched
Circuit-sw itched

Message-switched
Tele-switched 

No addressing is necessary in asynchronous TDM.
False

True

Data rate limitation of traditional modems is 6KHz..
True
False

 The __________ converts the signal to a format appropriate to the transmission medium and introduces it onto the network link.
DCE

DTE
DCE & DTE
None of the given

Unused bandwidth between channels to prevent signals from overlaping is called _____________.
Frequency
Time Period
Guard Bands

Spectrum 

56K Modems maximum Uploading data rate is 40K.
True
False

CS601 - Data Communication Solved MCQs

The four basic elements of any communication system include
peer-to-peer, videoconferencing, online photo-conferencing, net optical
sending and receiving devices, communication channel, connection de...
telephone lines, coaxial cables, fiber-optics cables, and communication channel
software, hardware, communication channel, network.

http://www.google.com.pk/url?sa=t&rct=j&q=&esrc=s&s...
2Fwww.atilim.edu.tr%2F~compe101%2Fquestions%2Fch9.doc&ei=eAOtUN_3LMrDtAbc6YHQBQ&usg=AFQjCNE6CMSV
JrP2jMgZPMgBoh8qYwsIZA


Do other than Binary System like Octal or Hexa are used for data communication.
Yes

No

 To make sure that source does not overwhelm destination by sending data faster than it can be handled and processed is called?
Addressing & Routing

Exchange Management
Flow Control pg 18

Recovery

The Transmission between Client/Server is called?
 Asymmetric PG 21 

Symmetric

 Which physical connection is the fastest?
 twisted pair

  coaxial
fiber-optic

http://rondanault.com/techquiz/Quiz16.htm

  _____ Contains a repeater
  Active hub pg 31 

Passive hub

What is the period of A Sine wave having frequency of 10 Hz.
  0.2

0.10

.5
0.3

Device that is connected to a network is called a
  client

  node 

entity
 server  
http://rondanault.com/techquiz/Quiz16.htm

_____ allows a user to access file on the remote computers to make changes or read data.
 FTAM pg 54

Mail Server
 Application Server
 Directory Service

The _____________ layer changes bits into electromagnetic signals.
physical
data link
transport
presentation
http://highered.mcgraw-hill.com/novella/MixQuizProcessingServlet

  In _______ each path is passed from node to node
  Circuit switching

Packet switching pg 38

If users must take turns using the link, then it is called Spatial Sharing
True
False pg 27

__________ ensures end-to-end reliable transmission
Application Layer
Data Link Layer
Transport Layer
Network layer

http://www.ifp.illinois.edu/~srikant/book.pdf

Which level of the TCP/IP reference model routes data/information across a network channel?
Application layer
Data Link Layer
Transport Layer
Network Layer

Time domain shows changes in ______
time w.r.t signal amplitude
signal amplitude w.r.t time
time
All of above 

Digital signals are refers to be
Continuous
Discrete
All of above
None

http://www.diffen.com/difference/Analog_vs_Digital

Which of the following connection methods would not be used to connect devices between two different offices?
twisted pairs
fiber-optics
coaxial cables
infrared

http://rondanault.com/techquiz/Quiz16.htm

Traditionally MANs have been implemented using one of the 2 technologies, Circuit Switching and Packet Switching
True pg 37
False

Which of the following network topologies among the list below is incorrect?
Star
Internet
Ring
Bus

______ layer header includes service point address or port address.

Physical
Session
Transport pg 49
Network

Several topologies combined in a larger topology to form a ______
Mix Topologies
Complex Topologies
Large Topologies
Hybrid Topologies

There are three types of Hubs that exist. Which of the following options correctly describes these three 
Passive, dormant, special 
Active , dormant , passive 
Passive, Active, Turbo 
Passive, Active, Intelligenthttp://www.wifinotes.com/computer-networks/what-is-hub.html

Human voice is example of _______ signal 
Digital 
Analog pg79
Discrete 
None of the given

Is there any difference between Data communication and telecommunication network? 
Yes
No
http://wiki.answers.com/Q/Difference_between_data_communication_and...

Data is transmitted using light through a __ cable 
twisted pair 
fiber-optic
coaxial 
http://rondanault.com/techquiz/Quiz16.htm

OSI Model is a Protocol 
True

False
http://books.google.com.pk/books?id=0i9uJJ78LtAC&pg=PA53&lp...

A network where data is actually a bit stream in the shape of 0's and 1's. 
Yes 
No

what is data communication? 
subset of telecommunication as it deals only with the data of Signals 
subset of telecommunication as it deals only with the data of 0's and 1's 
is same as telecommunication 
none of above

Internet with small “i” specifies the world wide Network the actual internet.
true

false

____ is the process of breaking down information sent or transmitted across the Internet into small parts called packets. 
 protocol
 bandwidth
reformatting 

identification
http://rondanault.com/techquiz/Quiz16.htm

______________ is mostly Hardware 
 Presentation Layer

 Network Layer
 Physical layer 

Data Link Layer
http://www.slideshare.net/SehrishRafiq1/lecture-05-14435817

Following characteristics fully describe ______________ Amplitude Period/ Frequency Phase 
 Sine Waves

 Digital Signals
 Aperiodic Signals
 None of the given

In _______ Topology Every device has dedicated a point-to-point link to every other device. 
Star Topology

 Mesh Topology pg 29

 Ring Topology
 Tree Topology

 These communication devices originate as well as accept messages in the form of data, information, and/or instructions.
i-drives

sending and receiving devices

key chain drives
optical drives
http://rondanault.com/techquiz/Quiz16.htm

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