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Quiz No. 3 Dated: Jul 15, 14

Dear Students,


Quiz No. 3 of CS601 will be held on July 21, 2014 and will also remain open on July 22, 2014. Lecture no. 23 to 32 will be included in the quiz. You are required to attempt the quiz as early as possible once it is available to you.


Best of Luck!


Regards,

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Please share the question and their answers of this quiz if anyone has done.
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UIZ # 3>>>>>>>>>>>>>

Question # 1 of

Multiplexing is the set of techniques that allows simultaneous TX of multiple signals across a

___________ data link

Select correct option:

Single *
Double
Multi
None of the given

Question # 2 of 10

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

Select correct option:

True *
False

Question # 3 of 10

Speed of light in a vacuum

Select correct option:

200000 Km/sec
300000 Km/sec *
600000 Km/sec
None of Given

Question # 4 of 10

A traditional telephone line has a bandwidth of __________.

Select correct option:

2000 Hz *
4000 Hz
2000 MHz
4000 MHz

Question # 5 of 10

Mechanical specifications of _________ define a combination of two connectors , on with 37 pins and

one with 9 pins for a combined 46 pins.

Select correct option:

EIA 854
EIA 558
EIA 302
EIA 448 *

Question # 6 of 10

STP can eliminate a phenomenon called Crosstalk

Select correct option:

True *
False

Question # 7 of 10

A ______________ modem is used to connect two DTEs directly.

Select correct option:

NULL *
Cable
DSL
None of the given

Question # 8 of 10

TROPOSHERE is the layer of atmosphere above the troposphere but below space

Select correct option:

True
False *

Question # 9 of 10

Effective bandwidth of telephone line used for data transmission is 2400 Hz covering a range from 600

Hz to 3000 Hz.

Select correct option:

1500 Hz
1200 Hz
2000 Hz
2400 Hz *

Question # 10 of 10

Bandwidth required for the ASK is equal to the __________ of the signal.

Select correct option:

Baud rate *
Frequency
Period
Phase

QUIZ # 3>>>>>>>>>>>>>>>>>>>>>

Q # 1: Traditional telephone lines can carry frequencies btw 300 Hz and 3300 Hz giving them a bandwidth of ___________.

2000 Hz
1000 Hz
1500 Hz
3000 Hz *
Q # 2: T-Connector is used thick connector.

True 
false*
Q # 3: ___________ uses a series of filters to decompose multiplexed signal into its constituent signals.

MUX
DEMUX*
DELUX
any of the given
Q # 4: TROPOSHERE is the portion of the atmosphere extending outwards approx. 30 miles from the earth

true *
false
Q # 5: No addressing is necessary in asynchronous TDM.

· True *
false
Q # 6: ______ generates the data and passes it along with any control information to a ________.

DTE, DCE *
DCE, DTE
DTE, DTE
DCE, DCE
Q # 7: 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 *
Q # 8: Permanent analog connection between two subscribers is called. ________________.

Switched 56 Service
Analog Leased Service
DDS *
DS
Q # 9: MUX adds extra bits to a device in bit ______

Stuffing
Adding
Multiplication *
Exchanging
Q # 10: Switched analog service is leased line.

true *
false

  1. There are ________ basic categories of multiplexing.  Select correct option: 

  3

 4

 2

 5

  1. Mechanical specifications of _________ define a combination of two connectors , on with 37 pins and one with 9 pins for a combined 46 pins.  Select correct option: 

  EIA 558

 EIA 854

 EIA 302

 EIA 448

  1. Speed of light in a vacuum….  Select correct option: 

  200000 Km/sec

 300000 Km/sec

 600000 Km/sec

 None of Given

  1. STP can eliminate a phenomenon called……Select correct option: 

  Crosstalk

 Channel

 Coaxial Cable

 Noise

 

  1. In Digital Data Service, maximum data rate is……Select correct option: 

  50kbps

 64kbps

 33kbps

 All of above

 

  1. In 56K Modems Max Uploading speed is ______ bytes and downloading speed is ______ byte.  Select correct option: 

  40K, 56K

 33.6K, 56K

 56K, 33.6K

 56K, 36.6K

 

  1. In Synchronous TDM, Time slots are not same in number as input devices.  Select correct option: 

  True

 False

  1. Inverse multiplexing and Demultiplexing are different.Select correct option: 

  True

 False

 

  1. A broadcast signal is received by the orbiting satellites which rebroadcasts  Select correct option: 

  to the resender

 to the sender

 to the atmosphere 

 none of the given

 

 

  1. Cable that connects the subscriber telephone to the nearest end office in a local loop is called  Select correct option: 

  Twisted-pair cable

 Coaxial cable

  Fiber-optic cable

 Subscriber cable      

QUIZ # 3

Question # 1 of

Multiplexing is the set of techniques that allows simultaneous TX of multiple signals across a

___________ data link

Select correct option:

    Single 
    Double
    Multi
    None of the given

 

Question # 2 of 10

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

Select correct option:

    True 
    False

 

Question # 3 of 10

Speed of light in a vacuum

Select correct option:

    200000 Km/sec
    300000 Km/sec 
    600000 Km/sec
    None of Given

 

Question # 4 of 10

A traditional telephone line has a bandwidth of __________.

Select correct option:

    2000 Hz 
    4000 Hz
    2000 MHz
    4000 MHz

 

Question # 5 of 10

Mechanical specifications of _________ define a combination of two connectors , on with 37 pins and

one with 9 pins for a combined 46 pins.

Select correct option:

    EIA 854
    EIA 558
    EIA 302
    EIA 448 

 

Question # 6 of 10

STP can eliminate a phenomenon called Crosstalk

Select correct option:

    True 
    False

 

Question # 7 of 10

A ______________ modem is used to connect two DTEs directly.

Select correct option:

    NULL 
    Cable
    DSL
    None of the given

 

Question # 8 of 10

TROPOSHERE is the layer of atmosphere above the troposphere but below space

Select correct option:

    True
    False 

 

Question # 9 of 10

Effective bandwidth of telephone line used for data transmission is 2400 Hz covering a range from 600

Hz to 3000 Hz.

Select correct option:

    1500 Hz
    1200 Hz
    2000 Hz
    2400 Hz 

 

Question # 10 of 10

Bandwidth required for the ASK is equal to the __________ of the signal.

Select correct option:

    Baud rate 
    Frequency
    Period
    Phase

Time slots are dynamically alloted in --- TDM technique.

FDM
Asynchronous    
WDM
Synchronous


Answer: 2




Asynchronous TDM is efficient only when the size of the time slot is kept relatively...

Large    
Small
Medium
Zero


Answer:  1




No addressing is necessary is asynchronous TDM.

False    
True


Answer:  1  




Twister pair cable consists of --- conductors.

2    
3
4
5


Answer:  1




In Digital Data Service, maximum data rate is

50kbps
64kbps    
33kbps
All of the above


Answer:  2




STP can eliminate a phenomenon called

Crosstalk    
Channel
Coaxial Cable
Noise


Answer: 1




Air is ---

DTE
DCE
Tranmission medium    
DTE & DCE


Answer: 3




A portion of the path that carries TX b\w a given pair of devices is known as ---

Node
Bridge
Channel    
Access Point


Answer:  3




Terminal, microprocessor, computer, printer or any other device that generates or
consumes digital data is known as ---.

DCE
DTE    
DCE & DTE
DTE & DTE


Answer:  2



STP is more expensive than UTP and is less susceptible to noise

True    
False


Answer:  1

QUIZ # 3>>>

Question # 1 of 10

The __________ converts the signal to a format appropriate to the transmission medium and introduces

it onto the network link.

Select correct option:

    DCE *
    DTE
    DCE & DTE
    None of the given

 

Question # 2 of 10

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

Select correct option:

    True *
    False

 

Question # 3 of 10

WDM stands for

Select correct option:

    Wave Division Multiplexing *
    Wrong Division Multiplexing
    Well Division Multiplexing
    West Division Multiplexing

 

Question # 4 of 10

Bit stuffing is the process in which extra bits are___________.

Select correct option:

    Removed
    Added
    Added and Removed *
    None of the above

 

Question # 5 of 10

Data rate limitation of traditional modems is 6KHz.

Select correct option:

    True
    False *

 

Question # 6 of 10

Time slots are dynamically allotted in _______________TDM technique.

Select correct option:

    FDM
    Asynchronous
    WDM
    Synchronous *

 

Question # 7 of 10

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

Select correct option:

    MUX
    DEMUX *
    DELUX
    any of the given

 

Question # 8 of 10

Mechanical specifications of _________ define a combination of two connectors , on with 37 pins and

one with 9 pins for a combined 46 pins.

Select correct option:

    EIA 558
    EIA 854
    EIA 302
    EIA 448 *

CS601 Quizz # 3

 

 

Quiz Start Time: 10:59 AM      

Time Left          89

sec(s)  

Question # 1 of 10 ( Start time: 10:59:02 AM )             Total Marks: 1

WDM stands for

Select correct option:

            Wave Division Multiplexing

            Wrong Division Multiplexing

            Well Division Multiplexing

            West Division Multiplexing

 

1


 

-----
 

Quiz Start Time: 10:59 AM      

Time Left          42

sec(s)  

Question # 2 of 10 ( Start time: 10:59:54 AM )             Total Marks: 1

Europeans use a version of T-lines called _________

Select correct option:

            F-lines

            E-lines

            D-lines

            S-lines

 

 2

 

------
 

Quiz Start Time: 10:59 AM      

Time Left          66

sec(s)  

Question # 3 of 10 ( Start time: 11:00:50 AM )             Total Marks: 1

T Lines are ___________ lines designed for digital data

Select correct option:

            Analog

            Digital

            Composite

            Telephone

 

2

 

-----
 

Quiz Start Time: 10:59 AM      

Time Left          58

sec(s)  

Question # 4 of 10 ( Start time: 11:01:22 AM )             Total Marks: 1

Which of the following techniques takes data from one high speed line and breaks it into

portions?

Select correct option:

            Inverse subtraction

            Inverse addition

            Multiplexing

            Inverse multiplexing

 

4

 

--------


Quiz Start Time: 10:59 AM      

Time Left          34

sec(s)  

Question # 5 of 10 ( Start time: 11:02:02 AM )             Total Marks: 1

________ measures the relative strength of the two signals or a signal at two different

points.

Select correct option:

            Data rate

            Baud rate

            Frequency

            Decibel

 

4

 

-------

 

Quiz Start Time: 10:59 AM      

Time Left          46

sec(s)  

Question # 6 of 10 ( Start time: 11:03:09 AM )             Total Marks: 1

T-Connector is used in ______

Select correct option:

            Thin Ethernet

            Thick Ethernet

            Terminator

            Refraction

 

1

 

----------

 

Quiz Start Time: 10:59 AM      

Time Left          19

sec(s)  

Question # 7 of 10 ( Start time: 11:04:02 AM )             Total Marks: 1

Bit stuffing is the process in which extra bits are___________.

Select correct option:

            Removed

            Added

            Added and Removed

            None of the above

 

3

 

---------

 

Quiz Start Time: 10:59 AM      

Time Left          29

sec(s)  

Question # 8 of 10 ( Start time: 11:05:22 AM )             Total Marks: 1

TROPOSHERE is the layer of atmosphere above the troposhere but below space

Select correct option:

            True

            False

 

2

 

----------

 

Quiz Start Time: 10:59 AM      

Time Left          6

sec(s)  

Question # 9 of 10 ( Start time: 11:06:34 AM )             Total Marks: 1

______________ is caused by random motion of electrons in a wire that creates extra signals

which are not originally sent by sender.

Select correct option:

            Thermal Noise

            Induced noise

            Crosstalk

            Impulse noise

 

2

 

-----------

 

 

Quiz Start Time: 10:59 AM      

Time Left          45

sec(s)  

Question # 10 of 10 ( Start time: 11:08:21 AM )           Total Marks: 1

Unused bandwidth between channels to prevent signals from overlapping is called

_____________.

Select correct option:

            Frequency

            Time Period

            Guard Bands

            Spectrum


3


Q # 1: Traditional telephone lines can carry frequencies btw 300 Hz and 3300 Hz giving them a bandwidth of ___________.

    2000 Hz
    1000 Hz
    1500 Hz
    3000 Hz *

Q # 2: T-Connector is used thick connector.

    True *
    false

Q # 3: ___________ uses a series of filters to decompose multiplexed signal into its constituent signals.

    MUX
    DEMUX*
    DELUX
    any of the given

Q # 4: TROPOSHERE is the portion of the atmosphere extending outwards approx. 30 miles from the earth

    true *
    false

Q # 5: No addressing is necessary in asynchronous TDM.

    True *
    false

Q # 6: ______ generates the data and passes it along with any control information to a ________.

    DTE, DCE *
    DCE, DTE
    DTE, DTE
    DCE, DCE

Q # 7: 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 *

Q # 8: Permanent analog connection between two subscribers is called. ________________.

    Switched 56 Service
    Analog Leased Service
    DDS *
    DS

Q # 9: MUX adds extra bits to a device in bit ______

    Stuffing
    Adding
    Multiplication *
    Exchanging

Q # 10: Switched analog service is leased line.

    true *
    false



BC130200963 : Sharafat Rahim

Quiz Start Time: 06:34 PM Time Left 47
sec(s)


Question # 1 of 10 ( Start time: 06:34:06 PM ) Total Marks: 1
A portion of the path that carries TX between a given pair of devices is known as __________.
Select correct option:

Node
Bridge
Channel ans
Access Point





BC130200963 : Sharafat Rahim

Quiz Start Time: 06:34 PM Time Left 43
sec(s)


Question # 2 of 10 ( Start time: 06:35:12 PM ) Total Marks: 1
________ measures the relative strength of the two signals or a signal at two different points.
Select correct option:

Data rate
Baud rate
Frequency
Decibel ans


BC130200963 : Sharafat Rahim

Quiz Start Time: 06:34 PM Time Left 30
sec(s)


Question # 3 of 10 ( Start time: 06:36:17 PM ) Total Marks: 1
PSTN stands for________________
Select correct option:

Public Switched Telephone Network ans
Pakistan Standard Telephone Network
Private Switched Telephone Network
Public Standard Telephone Network






BC130200963 : Sharafat Rahim

Quiz Start Time: 06:34 PM Time Left 64
sec(s)


Question # 4 of 10 ( Start time: 06:37:41 PM ) Total Marks: 1
Fiber Technology supports ______ modes for the propagation of light.
Select correct option:

3
2 ans
4
5



BC130200963 : Sharafat Rahim

Quiz Start Time: 06:34 PM Time Left 28
sec(s)


Question # 5 of 10 ( Start time: 06:38:28 PM ) Total Marks: 1
In Digital Data Service, maximum data rate is
Select correct option:

50kbps
64kbps ans
33kbps
All of above




BC130200963 : Sharafat Rahim

Quiz Start Time: 06:34 PM Time Left 21
sec(s)


Question # 6 of 10 ( Start time: 06:39:46 PM ) Total Marks: 1
Which of the following techniques takes data from one high speed line and breaks it into portions?
Select correct option:

Inverse subtraction
Inverse addition
Multiplexing
Inverse multiplexing






BC130200963 : Sharafat Rahim

Quiz Start Time: 06:34 PM Time Left 33
sec(s)


Question # 7 of 10 ( Start time: 06:41:09 PM ) Total Marks: 1
Speed of light in a vacuum
Select correct option:

200000 Km/sec
300000 Km/sec ans
600000 Km/sec
None of Given






BC130200963 : Sharafat Rahim

Quiz Start Time: 06:34 PM Time Left 35
sec(s)


Question # 8 of 10 ( Start time: 06:42:23 PM ) Total Marks: 1
________ is the layer of atmosphere above the troposhere but below space
Select correct option:

INOSPHERE Ans
TROPOSHERE
INOSPHERIC
TROPOSPHERIC



BC130200963 : Sharafat Rahim

Quiz Start Time: 06:34 PM Time Left 44
sec(s)


Question # 9 of 10 ( Start time: 06:43:34 PM ) Total Marks: 1
Multiplexing is the set of techniques that allows simultaneous TX of multiple signals across a ___________ data link
Select correct option:

Single
Double
Multi
None of the given

BC130200963 : Sharafat Rahim

Quiz Start Time: 06:34 PM Time Left 47
sec(s)


Question # 10 of 10 ( Start time: 06:44:45 PM ) Total Marks: 1
Fiber Optic cable is defined by the ratio of the _________ of its core to the diameter of its cladding.
Select correct option:

Diameter Ans
Length
Radius
Density

For Help Contact 03336767534
All answer by naveed
VU Degree Holder
BSCS




Question # 1 of 10

Multiplexing is the set of techniques that allows simultaneous TX of multiple signals across a

___________ data link

Select correct option:

Single Correct Option
Double
Multi
None of the given

Question # 2 of 10

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

Select correct option:

True   Correct Option
False

Question # 3 of 10

Speed of light in a vacuum

Select correct option:

200000 Km/sec
300000 Km/sec   Correct Option
600000 Km/sec
None of Given

Question # 4 of 10

A traditional telephone line has a bandwidth of __________.

Select correct option:

2000 Hz   Correct Option
4000 Hz
2000 MHz
4000 MHz

Question # 5 of 10

Mechanical specifications of _________ define a combination of two connectors , on with 37 pins and

one with 9 pins for a combined 46 pins.

Select correct option:

EIA 854
EIA 558
EIA 302
EIA 448   Correct Option

Question # 6 of 10

STP can eliminate a phenomenon called Crosstalk

Select correct option:

True   Correct Option
False

Question # 7 of 10

A ______________ modem is used to connect two DTEs directly.

Select correct option:

NULL   Correct Option
Cable
DSL
None of the given

Question # 8 of 10

TROPOSHERE is the layer of atmosphere above the troposphere but below space

Select correct option:

True
False   Correct Option

Question # 9 of 10

Effective bandwidth of telephone line used for data transmission is 2400 Hz covering a range from 600

Hz to 3000 Hz.

Select correct option:

1500 Hz
1200 Hz
2000 Hz
2400 Hz   Correct Option

Question # 10 of 10

Bandwidth required for the ASK is equal to the __________ of the signal.

Select correct option:

Baud rate   Correct Option
Frequency
Period
Phase

 

A portion of the path that carries TX b\w a given pair of devices is known as _________.

Node
Bridge
Channel*    
Access Point

Unused bandwidth between channels to prevent signals from overlapping is called_____.
            Frequency
            Time Period
            Guard Bands*
            Spectrum

________ is the layer of atmosphere above the troposhere but below space 

IONOSPHERE*

TROPOSHERE 

INOSPHERIC 

TROPOSPHERIC 

__________ transmits signals in the form of light.

STP

Coaxial Cable

UTP

Fiber optical cable*

The light source can be an________

            LED, LID

            ELD, ILD

            LED, ILD*

            None of the above

WDM stands for

            Wave Division Multiplexing*
            Wrong Division Multiplexing
            Well Division Multiplexing
            West Division Multiplexing
________ TDM does not guarantee full utilization of the timeslots

Synchronous*

A Synchronous

FTTC can be implemented in __________

Telephone network

Cable network

Telephone network and Cable network*

None of the above

1 mcq angel se related tha or option ye thy

Refraction

Defraction

Reflection

All

 

 

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