Скачать или смотреть CS601 Data Communication Grand Quiz Fine Solution with Explanation

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multiple data bits are transmitted over multiple channels at the same time. parallel transmission
signal is amplified then the value of decibel will be
A virtual-circuit network operates on data link layer.
Coaxial cables are categorized by their radio government ratings.
Two stations are connected via a secure link in which messages are encrypted from source to the destination
In analog transmission of digital data, the required bandwidth is always proportional to the signal rate except in _______, a digital to analog conversion technique.
Simultaneous transmission of multiple signals across a single data link is called Multiplexing
In Pulse code modulation technique, which approach will be most appropriate for sampling ____________.
Protocol suite used in internet today is TCP/IP protocol suite
VCI variable in virtual circuit approach is local
A telephone line analog signal has got the bandwidth of 2kHz
Which one of the following is not a sampling technique? neutral
analog signal can take infinite levels of intensity over time.
Infrared have established standards for using these signals for communication between devices such as keyboards, mice, PCs, and printers.
If a digital transmission system is sending five bits in every half a second, the bit-rate of the system will be 10bps
how many voltage levels used by Bi-polar 3, positive, negative and zero
Communication between two users in a Cellular (Mobile) network is full deplex
QPSK stands for Quadrature Phase Shift Keying
Data format used at Data Link layer of TCP/IP Protocol Suit is called ____________.
We quantize the sampling output into certain levels based on range of _____________ and required accuracy.
The communication at the Application, Transport and Network layer is ___________.
ATTENUATION means loss of energy in signal.
Manchester encoding scheme uses an inversion at the middle of each bit.
In serial data transmission Asynchronous data transmission mode can be cheap but slower.
AMI is a popular bipolar encoding method.
Electromagnetic waves ranging in frequencies between 3 kHz and 1 GHz are called radiowaves.
unit of phase is degree.
The most common type of connector used by coaxial cable is BNC.
According to the Fourier analysis, frequencies obtained after decomposition of digital signals are continous