Match the columns.

Match List - I with List – II.

List - I (Testing Type)	List - II (Description)
A.	Unit testing	I.	Testing individual components of the software.
B.	Integrating testing	II.	Testing the interaction between integrated components.
C.	System testing	III.	Testing to verity the system meets business needs.
D.	Acceptance testing	IV.	Testing the complete system to ensure it meets requirements.

Choose the correct answer from the options given below:

Correct option is B

A. Unit Testing → I. Testing individual components of software: Unit testing is the process of testing the smallest individual parts (units) of an application to ensure they work as intended.
B. Integration Testing → II. Testing the interaction between integrated components: This phase tests how different software modules work together after integration.
C. System Testing → IV. Testing the complete system to ensure it meets requirements: System testing involves testing the entire integrated software application to check whether it meets the specified requirements.
D. Acceptance Testing → III. Testing the system meets business needs: Acceptance testing verifies whether the software meets business needs and is ready for delivery to the end-user.