What is the primary function of the Deployment Manager in IBM WebSphere Application Server Network Deployment?

When creating a health policy, which condition should be selected to track requests that have a significantly decreased response time?

What is the primary purpose of an HTTP Proxy server in a network environment?

Which tool is commonly used to automate the deployment of applications in a server environment?

An administrator has removed a node, but all the resources associated with the deleted node still exist. What can the administrator do to ensure the node configuration is removed from the cell repository?