Explain Software Configuration Management and Its need. The answer must include following details: 1. The activities involved in this process 2. Different roles and responsibilities assigned 3....

Explain Software Configuration Management and Its need. The answer must
include following details:

1. The activities involved in this process
2. Different roles and responsibilities assigned
3. Different configuration management concepts
4. Change management, how to control changes, and change policies
5. Difference of version, revision, baseline and release
6. Software Configuration Management (SCM) Planning
7. Examples of tools used for SCM