Multiple Choice Questions (MCQs)
In CRC there is no error if the remainder at the receiver is _______.
What is the period of a Sine wave having frequency of 2 Hz?
The transmission medium that carries the message is referred to as the ___________.
The inversion of the level at 1 bit is called as ________.
Analog signals are refers to be ___________
Baud rate is greater than or equal to the bit rate.
In Synchronous TDM, Time slots are not same in number as input devices.
Quantization is a method of assigning ________ values in a specific range to sampled instances.
Which of the following is most affected by noise?
In ASK, Noise usually affects the ________.
BSC supports ___________ transmission using ___________ flow control.
Which layer is concerned with the syntax and semantics of info exchange between two systems?
The __________ generates the data and passes it along with any control information to a __________.
In ________, both peak amplitude and frequency remains constant as the phase changes.
Which of the following consist of just one redundant bit per data unit?
AM signal requires ___________ the BW of original signal
Following characteristics fully describe ___________, Amplitude Period/Frequency Phase
Digital signals are refered to be ___________.
Which error detection method consists of a parity bit for each unit as well as an entire data unit of parity bits?
Central Hub in a Tree is an ___________.
A portion of the path that carries TX between a given pair of devices is known as ___________.
A ___________ modem is used to connect two DTEs directly.
What is the frequency of a sine wave if it completes one cycle in 5 seconds?
Digitizing an Analog Signal is called ___________.
Analog refers to something that is continuous in ___________.
In ASK, both ______ and ________ remain constant.
Time domain plot show changes in signal phase with respect to time.
Like 10 Base 5, 10 Base 2 is a ________ topology LAN.
PSK is susceptible to the noise degradation.
Flow control is needed to prevent ________.
Which level of the TCP/IP reference model routes data/information across a network channel?
What is the frequency of a sine wave if it completes one cycle in 2 seconds?
There are __________types of guided media.
Analog To Analog Conversion Methods include ___________.
At the CRC generator, ___________ added to the data unit before the divisional process.
___________ is the rate of change with respect to time.
In _________, a signal is directed straight from antenna to antenna.
What is the Bandwidth of a periodic signal if it is decomposed into 4 sine waves with frequencies 300, 600, 900 and 1200?
Asynchronous transmission is ___________.
Is there any difference between Data communication and telecommunication are network?
By using ___________ system, change in the file contents during file transmission can be avoided.
The inversion of the level represents a 1 bit in ______ encoding
Which one is not the function of data link layer?
___________ contains a repeater.
If the window size is 63 in go-back N ARQ then what is the range of sequence number?
In line discipline after the data transmission, the sending system finishes with an ________ frame.
___________ encoding is almost obsolete today
In analog transmission, the base signal is called the________.
There are _________ types of serial transmission.
In ___________ a dedicated communication path is established between two stations through the nodes of the network
If users must take turns using the link, then it is called Spatial Sharing.
The term _______means that only one bit of a given data unit is changed from 1 to 0 or from 0 to 1.
Radio is an example of _______ signal conversion.
What is the Bandwidth of a periodic signal if it is decomposed into 4 sine waves with frequencies 200, 400, 600 and 800?
In selective-reject ARQ, only the specific damaged or lost frame is ________.
STP is more expensive than UTP and is less susceptible to noise.
What is the period of a Sine wave having frequency of 10 Hz?
Like Data link layer, ___________ is also responsible for Flow control.
TROPOSHERE is the layer of atmosphere above the troposhere but below space
Each computer on the Internet has a unique numeric address called a(n) ___________.
Data is transmitted using light through a ___________ cable.
A broadcast signal is received by the orbiting satellites which rebroadcasts ___________.
WDM stands for _________.
Two or more computers connected so that they can communicate with each other and share information is called a ___________.
A sine wave is ___________.
YMODEM has ________ Byte of data unit.
Asynchronous TDM is efficient only when the size of the time slot is kept relatively ___________.
At the CRC checker, ___________ means that the data unit is damaged.
Which of the following sublyer resolves the contention for the shared media.
The Internet is ___________.
A sine wave is defined by ___________ characteristics.
To make sure that source does not overwhelm destination by sending data faster than it can be handled and processed is called?
Terminal, microprocessor, computer, printer or any other device that generates or consumes digital data is known as ___________
In the encoding where positive to negative transition is one and vice versa is zero.
Line Configuration refers to the way two or more devices attach to a ___________.
RZ stands for ___________.
dB is negative if a signal is ___________.
What is the period of a Sine wave having frequency of 5 Hz?
Session layer is responsible for _________.
___________ of a signal is the collection of all the component frequencies it contains.
Human voice is example of ___________ signal.
Radio wave transmission utilizes ___________ different types of propagation.
Sampling means measuring ____________ of signal at equal intervals
Which error detection method uses one's complement arithmetic.
In OSI model headers are added at layer _________.
Traditionally MANs have been implemented using one of the 2 technologies, Circuit Switching and Packet Switching
There are three types of Hubs that exist. Which of the following options correctly describes these three?
Time domain shows changes in ___________.
The level of signal is always positive in NRZ encoding.
Encoding digital data into digital signals is called ___________.
Which of the following statement is correct?
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