Cisco 300-445 Exam With Confidence Using Practice Dumps

In the Designing and Implementing Enterprise Network Assurance (300-445 ENNA) implementation guide, the Cisco IOS XE Application Hosting lifecycle is a critical concept for troubleshooting and configuration management. When an application environment variable—such as proxy settings—is modified in the app-hosting configuration, a simple restart of the container is insufficient.

The correct procedure involves moving the application back to the Configured state before bringing it back to Running . This requires a four-step lifecycle execution (Option C):

Stop: Terminates the current running instance of the container.

Deactivate: Releases the hardware resources (CPU, Memory, Virtual Interfaces) and, crucially, detaches the previous runtime configuration.

Activate: Re-allocates the resources and injects the new configuration parameters (including the updated proxy settings) into the container ' s environment.

Start: Initiates the container with the newly applied configuration.

Without the deactivate/activate sequence, the container will continue to use the environment variables present at the time of its initial activation, causing the agent to remain offline as it fails to reach the ThousandEyes portal without the proxy. Reinstalling (Option B) is an unnecessary and time-consuming step that involves re-downloading or re-copying the image, while No action (Option D) will result in no change to the agent ' s connectivity status.