AmazonAmazon
MLS-C01 · Question #5
MLS-C01 Question #5: Real Exam Question with Answer & Explanation
Sign in or unlock MLS-C01 to reveal the answer and full explanation for question #5. The question stem and answer options stay visible for context.
Data Engineering
Question
A monitoring service generates 1 TB of scale metrics record data every minute. A Research team performs queries on this data using Amazon Athena. The queries run slowly due to the large volume of data, and the team requires better performance. How should the records be stored in Amazon S3 to improve query performance?
Options
- ACSV files
- BParquet files
- CCompressed JSON
- DRecordIO
Unlock MLS-C01 to see the answer
You've previewed enough free MLS-C01 questions. Unlock MLS-C01 for full answers, explanations, the timed quiz mode, progress tracking, and the master PDF. Question stem and options stay visible so you can still see what's on the exam.
Topics
#Amazon Athena#Data Storage Formats#Query Performance Optimization#Columnar Data Formats