Answer:
a. point-to-point connections
Explanation:
Point - to - point connections -
It is the method of communication , where the connection is established between two endpoints or nodes , is referred to as point-to-point connections .
The example of point-to-point connections is - telephone call , two - way radio , microwave radio relay , leased lines etc.
In point-to-point connections , there is only one ending in one specific line .
Hence , from the given information of the question ,
The correct option is a. point-to-point connections .
