Table of Contents
Question
Which factors affect costs in the AWS Cloud? (Choose two.)
A. The number of unused AWS Lambda functions
B. The number of configured Amazon S3 buckets
C. Inbound data transfers without acceleration
D. Outbound data transfers without acceleration
E. Compute resources that are currently in use
Answer
C. Inbound data transfers without acceleration
D. Outbound data transfers without acceleration
Explanation
The correct options are C and D. Inbound and outbound data transfers without acceleration affect costs in the AWS Cloud because they incur charges based on the amount of data and the distance between the source and destination regions. Acceleration services such as AWS Global Accelerator and Amazon CloudFront can reduce these costs by routing traffic through the AWS global network and edge locations, which are closer to the end users.
The number of unused AWS Lambda functions (option A) does not affect costs in the AWS Cloud because AWS Lambda is a serverless service that only charges for the compute time consumed by the function, not for the idle time. The number of configured Amazon S3 buckets (option B) also does not affect costs in the AWS Cloud because Amazon S3 charges for the storage space used by the objects in the buckets, not for the number of buckets. Compute resources that are currently in use (option E) affect costs in the AWS Cloud, but they are not a factor that can be changed without affecting the performance or availability of the application. Therefore, they are not a valid answer for this question.
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