A Development Team Released a New Version of an Application

question 73

Multiple Choice

A development team released a new version of an application and wants to deploy it to the cloud environment with a faster rollback and minimal downtime. Which of the following should the cloud administrator do to achieve this goal?

• A) Use a rolling deployment to update all the servers in the PROD cloud environment with the new application. To switch to the previous version, repeat the process.
• B) Deploy the application to the PROD cloud environment and the previous version to QA. To switch to the previous version, promote the QA environment to PROD.
• C) Deploy the application to a subset of servers in the environment and route traffic to these servers. To switch to the previous version, change the route to the non-updated servers.
• D) Deploy the application to a staging environment and force a failover to this environment. To restore the previous version, create a backup and restore from the previous night's backup.

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Definitions:

Mentally

Pertaining to the mind or psychological processes of cognition, emotion, and behavior.

Socially

Pertaining to or involving activities in which people spend time talking to each other or doing enjoyable things with each other.

Biological Approach

A perspective in psychology that emphasizes the importance of physical processes in the body, such as genetic inheritance and neural function, in understanding human behavior.

Psychiatrist

A medical doctor specialized in diagnosing, treating, and preventing mental, emotional, and behavioral disorders.