Which of the following issues are addressed by the change control phase in the maintenance phase of the life cycle models? Each correct answer represents a complete solution.
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A. B. C. D.ABC.
The change control phase in the maintenance phase of the life cycle models is responsible for ensuring that all changes made to the system are controlled and managed efficiently. This phase is critical to maintaining the integrity, reliability, and security of the system.
The following issues are addressed by the change control phase:
C. Developing the changes and corresponding tests: This involves developing a plan for implementing the changes required in the system. The changes are analyzed and evaluated, and the impact of each change is assessed. The changes are then documented, and a plan for implementing them is created. Corresponding tests are also developed to ensure that the changes work as expected.
D. Establishing the priorities of requests: In the change control phase, requests for changes are evaluated, and priorities are established based on the impact of the change on the system. Requests are prioritized according to their impact on the system's performance, functionality, and security.
A. Performing quality control: In the change control phase, quality control is performed to ensure that the changes made to the system are of high quality. This includes ensuring that the changes are properly tested, documented, and reviewed before they are implemented.
B. Recreating and analyzing the problem: While this is an important part of the maintenance phase, it is not directly addressed by the change control phase. This step involves identifying and recreating problems in the system to determine their root cause and develop solutions for them.
In conclusion, the correct answers are C and D. The change control phase in the maintenance phase of the life cycle models is responsible for developing changes and corresponding tests and establishing the priorities of requests. Quality control is also performed in this phase to ensure that changes made to the system are of high quality.