Option A is the correct answer for the above question.
Explanation:
Decision making is a processor where a user can select the best alternative from among another alternative. It is consist of four steps--
Decide the goal or objective,
Then Take the data
Then Analyze the data.
Then Make the choice.
The above question asked that how can anyone can choose the best telecommunication technology for some specific task and it is done by the help of Decision-making process which is stated from the option A. Hence A is the correct answer while the other is not because:-
Option B states Internet telephony which can not help to choose the best technology for telecommunications.
Option C states about routing which also not helps to choose the best technology for telecommunications.
Option D states about voice over IP which also not helps to the choice of the best technology for telecommunications.
