1.
What is the minimum number of wires needed to send data over it serial communication link layer?
Answer: Option 'B'
2
2.
Which data communication method is used to send data over a serial communication link?
Answer: Option 'C'
full duplex
3.
The interactive transmission of data within a time sharing system may be best suited to…..
Answer: Option 'B'
half duplex lines
4.
Which of the following is an example of a bounded medium?
Answer: Option 'D'
all of these
5.
The area of coverage of a satellite radio beam is called its….
Answer: Option 'C'
footprint
6.
Buffering is ________.
Answer: Option 'A'
the process of temporarily storing the data to allow for small variation in device speeds.
7.
The amount of uncertainty in a system of the symbol is called.
Answer: Option 'B'
entropy
8.
Coaxial cable has conductors with _______.
Answer: Option 'A'
a common axis
9.
Teleprinters _________.
Answer: Option 'C'
have a printer for output and a keyboard for input
10.
Which of the following statements is incorrect?
Answer: Option 'D'
batch processing is the preferred processing mode for telecommunication operations.