Answer:
Option(b) i.e "connection " is the correct answer for the given question.
Explanation:
In the visual basics of .Net when we want to establish the connection with the database we have to use the data configuration wizard. A connection is the string contacts of the data source that establishes a connection with the database.
Option(a),Option(c) and Option(d) are not relate the connection of the database.
So the "connection" is the correct answer.