The Answer is A

The most effective approach to mitigating concerns about disrupting operations during the Service Cloud console app update at Universal Containers is to implement a phased rollout of the new application.
Here's why option B, deploying the configured and tested app to production and updating agent profiles to control access, is the best solution:

Sandbox Testing and Training: Before deploying to production, the new app should be thoroughly configured and tested in a sandbox environment. This allows for identifying and resolving potential issues without impacting live operations. Training agents in the sandbox environment is also crucial to ensure they are comfortable using the new app.

Controlled Rollout: Instead of immediately switching all agents to the new app, update the profiles of a small group of pilot users or subject matter experts. This allows UC to monitor the app's performance and gather feedback in a real-world environment.

Iterative Improvements: The feedback from the initial pilot group can be used to make further refinements and improvements to the app before rolling it out to the entire agent population.

Staged Deployment: By updating agent profiles in stages, UC can gradually transition users to the new app, minimizing disruption and allowing for better support and knowledge transfer.

Minimizing Downtime: This approach avoids a large-scale, disruptive deployment that could negatively impact customer satisfaction.

Change Management: A key aspect of a successful Service Cloud deployment is robust change management. Informing users of the upcoming changes, providing adequate training, and offering ongoing support can alleviate anxiety and promote user adoption.

Options C and D are less desirable because change sets and unmanaged packages are better suited for small configuration changes, not complete application overhauls. Option C is impractical and ignores the need for testing and training.

Here are some authoritative resourc...

Should be A

Answer is A. We can't do the testing in production org. We can deploy fully tested app to production from sandbox.

The Answer is A

Testing on production?