Explanation:
The correct answer is D. Retry the call with exponential backoff. Exponential backoff is a standard error-handling strategy for network applications where the client progressively increases the wait time between retries when a request fails due to server-side throttling. This approach smooths out the rate of API calls and reduces the likelihood of hitting rate limits.
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When encountering intermittent HTTP 400: ThrottlingException errors during Amazon CloudWatch API calls, resulting in no data retrieval, which best practice should be implemented?
A
Request a limit increase from AWS Support.
B
Utilize the AWS CLI for metric retrieval.
C
Review applications to eliminate unnecessary API calls.
D
Adopt exponential backoff for API call retries.