To answer this question, let's go through each option to understand what tasks can be performed using the AppManage Utility:
Option A) undeploy a deployed application - This option is correct. The AppManage Utility can be used to undeploy a deployed application. This means that it can remove the application from the environment, making it no longer available.
Option B) install and uninstall TIBCO products - This option is incorrect. The AppManage Utility is not used to install or uninstall TIBCO products. It is primarily used for managing applications, not the products themselves.
Option C) start a service instance of an application - This option is correct. The AppManage Utility can be used to start a service instance of an application. This means that it can initiate the execution of the application's service(s), making them available for use.
Option D) create a deployment configuration of an existing application - This option is correct. The AppManage Utility can be used to create a deployment configuration of an existing application. This means that it can define the settings and parameters for deploying the application in a specific environment.
Based on the above explanations, the three tasks that can be performed using the AppManage Utility are:
A. undeploy a deployed application
C. start a service instance of an application
D. create a deployment configuration of an existing application