Home / Amazon / CLF-C01 / Question 178

Which of the following is an important architectural principle when designing cloud applications?

• A. Store data and backups in the same region.

• B. Design tightly coupled system components.

• C. Avoid multi-threading.

• D. Design for failure

There are six design principles for operational excellence in the cloud:

Perform operations as code

Annotate documentation

Make frequent, small, reversible changes

Refine operations procedures frequently

Anticipate failure

Learn from all operational failures

https://aws.amazon.com/blogs/apn/the-5-pillars-of-the-aws-well-architected-framework/