a2zinterviews

26.	What is white box testing?
	White box testing is a test case design method that uses the control structure of the procedural design to derive test cases. It is otherwise called as structural testing.

27.	What is Black box testing?
	Black box testing is a test case design method that focuses on the functional requirements of the software. It is otherwise called as functional testing.

28.	What is the difference between coupling and cohension?
	Cohension is a measure of the relative functional strength of a module. Coupling is a measure of the relative interdependence among modules.

29.	What is Software reliability?
	Software reliability is defined as the probability of failure free operation of a computer program in a specified environment for a specified time.

30.	What are the categories of metrics?
	There are three types of metrics are : Product Metrics Process Metrics Project Metrics