AWS Certified Data Analytics Specialty 2021 – Hands-On - Redshift Spectrum and Performance Tuning

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Information Technology (IT), Architecture, Social Studies
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary benefit of using Redshift Spectrum with S3 data?
It enables querying of data without loading it into Redshift.
It provides a graphical interface for data analysis.
It automatically transforms data into a structured format.
It allows for real-time data processing.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a data format supported by Redshift Spectrum?
XML
CSV
Parquet
Avro
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does Redshift Spectrum handle multiple queries on the same data?
It prioritizes based on query complexity.
It queues them for sequential processing.
It processes them in batches.
It allows limitless concurrency for simultaneous access.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a key feature of Redshift's columnar data storage?
It organizes data by rows for faster access.
It requires more IO operations compared to row-based storage.
It is optimized for OLTP applications.
It stores data sequentially by column, reducing IO needs.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which command is used to efficiently load data into a Redshift cluster?
TRANSFER
COPY
LOAD
INSERT
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