CS601 Quiz 2 Set 2 by VU Topper RM

Which multiplexing technique involves signals composed of light beams?

1. TDM
2. WDM
3. FDM
4. PDM

Correct answer: WDM

While implementing Binary ASK or On-Off Keying (OOK), the binary number 1 is used for --------. A. binary stream of 1s B. Numbers of 1s in data C. No amplitude

D. Maintaining the amplitude

In frequency shift keying, _________ remain(s) constant.

A. Both Amplitude and Phase

B. Amplitude C. Both Phase and Frequency D. Frequency

Both ----------- remain constant in Frequency Shift Keying. A. frequency and amplitude B. bit rate and phase

C. phase and baud rate ok

D. amplitude and phase

____________ technique does not follows analog to analog conversion. A. PM B. AM C. FM

D. QAM

In statistical time division multiplexing, number of slots in frame are less than ____________. A. Multiplexed T lines B. Input frequency C. Output data rate

D. Input lines

In the analog transmission of digital data,the baud rate is _______________ to the bit rate.

A. less than or equal

B. greater than C. less than D. greater than or equal

PSK is ________ susceptible to noise as compared to ASK. A. Equally B. More C. Highly

D. Less

Technique that allows the simultaneous transmission of multiple signals across a single data link, is known as _____________. A. Encryption

B. Multiplexing

C. Compressing D. Demodulating

Television broadcast where user can only view the information sent in the form of video is an example of____________ communication.

A. Simplex

B. Complex C. Full duplex D. Half duplex

_____________is Shannon capacity formula to determine highest theoretically data rate for a noisy channel.

Capacity=Bandwidth*log2(1+SNR)

Two stations are connected via a secure link in which messages are encrypted from source to the destination. This encrypted message is called ___________ . A. Message

B. Protocol

C. Plain text D. Cipher text

Taking off the header from the message is called

A. Stuffing B. Layering

C. Encryption

D. Decapsulation

____________ is the range of frequencies contained in a composite signal. A. Noise B. Phase C. Amplitude

D. Bandwidth

_______is the data format used at Transport layer of TCP/IP Protocol suite. A. packet