The primary goal of application maintenance is to fix bugs and defects in the application to ensure its proper functioning.

Preventive maintenance is not a common type of application maintenance activity. It is a proactive approach to maintenance that involves performing regular checks and updates to prevent problems from occurring.

Adaptive maintenance involves modifying the application to meet changing business requirements, such as new regulations or industry standards.

Regular application maintenance can lead to higher maintenance costs due to the need for frequent updates and fixes.

Debugging is the process of identifying and fixing defects in an application.

Deployment tool is not a common tool used for application maintenance. It is used to deploy the application to production environment.

The purpose of a release management process is to ensure a smooth and successful deployment of new application versions.

Reducing the cost of maintenance is not a common challenge associated with application maintenance. It is a goal that organizations strive to achieve.

Upgrade is the term used to describe the process of updating an application to a newer version.

Performance improvements are not a common type of application update. They are typically achieved through application maintenance activities.

The purpose of a post-deployment review is to evaluate the success of a new application deployment, identify any issues or problems that occurred during deployment, and gather feedback from users on the new application version.

Ignoring user feedback on the application is not a best practice for application maintenance. User feedback can provide valuable insights into areas that need improvement.

Optimization is the term used to describe the process of making changes to an application's code to improve its performance or efficiency.

Customer satisfaction is not a common metric used to measure the effectiveness of application maintenance. It is a measure of how satisfied customers are with the application.

Migration is the term used to describe the process of replacing an old application with a new one.