Amazon Redshift

fully managed data warehouse service

Amazon Redshift is a fully managed data warehouse service that makes it simple and cost-effective to analyze all your data using standard SQL and existing Business Intelligence (BI) tools.

5 minutes 5 Questions

Concepts covered: Massively Parallel Processing (MPP), Security and Compliance, Amazon Redshift Performance Tuning, Concurrency Scaling on Amazon Redshift, Amazon Redshift Architecture, Columnar Storage, Data Loading and Integration, Amazon Redshift Spectrum, Backup & Restore on Amazon Redshift, Amazon Redshift Managed Storage

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AWS Certified Solutions Architect - Amazon Redshift Example Questions

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Question 1

What is a Redshift node slice?

A tool for backing up and restoring Redshift clusters. A type of node that is optimized for storing data in Redshift clusters. A part of a node's CPU and memory resources that is allocated to a single query or operation. A tool for managing the security of Redshift clusters.

Correct Answer: A part of a node's CPU and memory resources that is allocated to a single query or operation.

A Redshift node slice is a portion of a node's CPU and memory resources that is allocated to a single query or operation. Each compute node in a Redshift cluster is divided into multiple slices, which can each handle a separate query or operation.

Question 2

What is a Redshift vacuum reindex?

A Redshift command that renames a table. A Redshift command that removes data from a table. A Redshift command that reorganizes the data on disk to improve performance. A Redshift command that adds new columns to an existing table.

Correct Answer: A Redshift command that reorganizes the data on disk to improve performance.

A Redshift vacuum reindex is a command that reorganizes the data on disk in the order it was originally loaded, to improve performance. It can also reclaim space used by deleted rows.

Question 3

What is the difference between Amazon Redshift and Amazon Aurora?

Amazon Redshift is a service that provides access to AWS resources for applications running on Amazon EC2 instances, while Amazon Aurora is a messaging service used for pub/sub messaging Amazon Redshift is a data warehousing service used to analyze structured data, while Amazon Aurora is a MySQL-compatible relational database engine that is part of the Amazon RDS service Amazon Redshift is a service that replicates data across multiple availability zones, while Amazon Aurora is a service that provides SQL-like queries to analyze data within the warehouse Amazon Redshift is a messaging service used for queuing and message delivery, while Amazon Aurora is a database that is structured to manage multiple data sources

Correct Answer: Amazon Redshift is a data warehousing service used to analyze structured data, while Amazon Aurora is a MySQL-compatible relational database engine that is part of the Amazon RDS service

Amazon Redshift and Amazon Aurora are both database services provided by AWS, but they have different purposes. Amazon Redshift is a fully managed, petabyte-scale data warehousing service that makes it simple and cost-effective to efficiently analyze all of your data using your existing business intelligence tools. Amazon Aurora is a MySQL-compatible relational database engine that combines the speed and availability of commercial-grade databases with the simplicity and cost-effectiveness of open source databases.

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