AWSCertified Data Engineer - Associate
Domain 3Objective 1
Task 3.1: Automate Data Processing by Using AWS Services DEA-C01 Practice Questions (Page 7)
Part of the Content Domain 3: Data Operations and Support domain, which accounts for 22% of the DEA-C01 exam. AWS does not publish an official question count, but from its 130-minute exam (~50–85 total, ~11–19 in this domain), expect 3–5 from this objective — we provide 38 practice questions to prepare you well beyond it. (estimate)
38questions here
8free pages
16concepts
22%of the exam
Questions 31–35
- 31
In the context of machine learning, what is the process of creating new variables from raw data to improve model performance called?
Select an answer first - 32
Which AWS service provides a serverless scheduler that can trigger actions at specific times, including one-time schedules and recurring schedules?
Select an answer first - 33
What is a common way to monitor the health and reliability of a data API?
Select an answer first - 34
In AWS Step Functions, what is the name of the JSON document that defines the steps and transitions of a workflow?
Select an answer first - 35
What is the purpose of a cron expression in the context of scheduling data jobs?
Select an answer first
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