AWS Certified Developer Associate Practice Test 4

Correct answer - "rolling with additional batches" : Rolling with additional batches is the most optimum deployment policy when a user doesn't want to compromise on the output capacity of the application but also keep the additional expense incurs to the minimum.

Incorrect:

"immutable" - Deploys the new version to a fresh group of instances

"all at once" - Will bring the capacity down as all of your application instances will be down for a bit.

"rolling" - Will bring the capacity down as some of your application instances will be down for a bit.

"blue/green" - This will work by creating an entirely new environment but will cost a lot more than "rolling with additional batches".