Exam AWS Certified Data Engineer - Associate DEA-C01 topic 1 question 133 discussion

Exam question from Amazon's AWS Certified Data Engineer - Associate DEA-C01

Question #: 133
Topic #: 1

[All AWS Certified Data Engineer - Associate DEA-C01 Questions]

A company is using Amazon Redshift to build a data warehouse solution. The company is loading hundreds of files into a fact table that is in a Redshift cluster.

The company wants the data warehouse solution to achieve the greatest possible throughput. The solution must use cluster resources optimally when the company loads data into the fact table.

Which solution will meet these requirements?

A. Use multiple COPY commands to load the data into the Redshift cluster.
B. Use S3DistCp to load multiple files into Hadoop Distributed File System (HDFS). Use an HDFS connector to ingest the data into the Redshift cluster.
C. Use a number of INSERT statements equal to the number of Redshift cluster nodes. Load the data in parallel into each node.
D. Use a single COPY command to load the data into the Redshift cluster.

Show Suggested Answer

Suggested Answer: D 🗳️

by canace at Aug. 4, 2024, 11:54 p.m.

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canace

Highly Voted 1 year ago

D? https://docs.aws.amazon.com/redshift/latest/dg/t_Loading-data-from-S3.html

upvoted 5 times

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cas_tori

Most Recent 1 year ago

Selected Answer: D

this is D

upvoted 1 times

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antun3ra

1 year ago

Selected Answer: D

A single COPY command automatically parallelizes the load operation across all nodes in the Redshift cluster. This ensures optimal use of cluster resources.

upvoted 4 times

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phkhadse

1 year ago

A - Using multiple COPY commands allows parallel loading of data, which maximizes throughput.

upvoted 2 times

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Shanmahi

1 year ago

Selected Answer: D

Agree with canace; Redshift's copy command uses MPP architecture to read and load in parallel from files into DWH.

upvoted 2 times

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