AWS - Data Engineer Associate Practice Questions & Free Practice Exam
5 free AWS - Data Engineer Associate practice questions below, with instant explanations. The full simulator contains hundreds of exam-style questions across every topic.
An Amazon S3 bucket sends every object-created event to a Lambda function that filters by .parquet suffix in code. The workload generates 50,000 daily events of which only 5% match the suffix. The team must minimize Lambda invocation cost. Which approach would NOT reduce invocations?
Question 2
A media-streaming pipeline must compute a 24-hour sliding session aggregation across Amazon MSK and Amazon Kinesis Data Streams events. The application keeps state across micro-batches and recovers state if a worker fails. Which managed option supports stateful stream processing with checkpointed state backends?
Question 3
Narrowing a least-privilege IAM policy past the AWS-managed AmazonS3ReadOnlyAccess baseline targets an AWS Glue job that reads only the orders/ prefix of one bucket. Which two elements tighten the policy beyond the baseline? (Choose TWO.)
Question 4
AWS CloudFormation stack creation uses the permissions of which principal when provisioning the resources in the template?
Question 5
A research lab's auditor asks for evidence of where a published KPI column came from and which transformations were applied between the source ingestion and the analyst-facing table. Which governance capability records that origin-to-destination path?
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