Q.1.
A transmission media can have signal impairment because of
Q.2.
If the bit rate for an FSK signal isbps, the baud rate is ________.
Q.3.
A sine wave is defined by
Q.4.
________ uses two carriers, one in-phase and the other quadrature.
Q.5.
Block coding can help in _______ at the receiver.
Q.6.
If the frequency spectrum of a signal has a bandwidth ofHz with the highest frequency atHz, what should be the sampling rate, according to the Nyquist theorem?
Q.7.
PCM is an example of _______ conversion.
Q.8.
The completion of one full pattern is called a
Q.9.
MAC address is also known as __________.
Q.10.
The power in our house can be represented by
Q.11.
If the bandwidth of a signal is 5 KHz and the lowest frequency isKHz, what is the highest frequency?
Q.12.
This kind of data transmission allows data to be transmitted in both directions on a signal carrier at the same time.
Q.13.
In decoding a digital signal, the receiver calculates a running average of the received signal power, called the _______.
Q.14.
A signal is measured at two different points. The power is P1 at the first point and P2 at the second point. The dB isThis means ________.
Q.15.
Repeaters are often used on an 802.3 network to help strengthen the signals being transmitted. As with the length of segments and the number of segments, a limit exists as to how many repeaters can be used between any two nodes. What is the maximum number of repeaters that can be used?
Q.16.
A device is sending out data at the rate ofbps. How long does it take to send a file of 100,characters?
Q.17.
We need to sendkbps over a noiseless channel with a bandwidth ofkHz. How many signal levels do we need?
Q.18.
One Picoseconds (PS) is equivalent to
Q.19.
How many factors data rate limit depends on
Q.20.
Data to be transmitted must be transformed into