Practice Exams | AWS Certified Data Engineer - Associate

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Description: Preparing for AWS Certified Data Engineer Associate DEA-C01? This is THE practice exams course to give you the winning edge.These practice exams have been co-authored by Stephane Maarek and Abhishek Singh who bring their collective experience of passing 20 AWS Certifications to the table.The tone and tenor of the questions mimic the real exam. Along with the detailed description and “exam alert” provided within the explanations, we have also extensively referenced AWS documentation to get you up to speed on all domain areas being tested for the DEA-C01 exam.We want you to think of this course as the final pit-stop so that you can cross the winning line with absolute confidence and get AWS Certified! Trust our process, you are in good hands.All questions have been written from scratch! And more questions are being added over time! Quality speaks for itselfSAMPLE QUESTION:A data engineer is encountering slow query performance while executing Amazon Athena queries on datasets stored in an Amazon S3 bucket, with AWS Glue Data Catalog serving as the metadata repository. The data engineer has identified the root cause of the sluggish performance as the excessive number of partitions in the S3 bucket, leading to increased Athena query planning times.What are the two possible approaches to mitigate this issue and enhance query efficiency (Select two)?Transform the data in each partition to Apache ORC formatCompress the files in gzip format to improve query performance against the partitionsPerform bucketing on the data in each partitionSet up an AWS Glue partition index and leverage partition filtering via the GetPartitions callSet up Athena partition p
Category: IT & Software > IT Certifications > AWS Certified Data Engineer - Associate
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