AWS Essentials - Database Essentials.

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Which of the following is true about DynamoDB? (Choose all that apply). A. DynamoDB is a scalable, non-relational database service. B. All patches and updates are your responsibility, because DynamoDB is installed on an EC2 instance. C. DynamoDB is a type of RDS database that is compatible with MySQL. D. DynamoDB is often referred to as a NoSQL Database

A. DynamoDB is a scalable, non-relational database service. D. DynamoDB is often referred to as a NoSQL Database

What are some of the differences between RDS and DynamoDB? (Choose two) A. RDS uses rows and columns to store data, and DynamoDB uses items and attributes. B. DynamoDB is a NoSQL Database, and RDS is a Relational Database. C. DynamoDB is a Relational Database, and RDS is a NoSQL database. D. DynamoDB uses rows and columns, and RDS uses an unstructured table structure.

A. RDS uses rows and columns to store data, and DynamoDB uses items and attributes. B. DynamoDB is a NoSQL Database, and RDS is a Relational Database.

What is Amazon RDS? A. Amazon RDS is a MySQL database service that is hosted by a third party, and it is accessed via a VPN from the VPC. B. Amazon RDS is a managed relational database service, where the underlying infrastructure is supported by AWS. C. Amazon RDS is a rotational database service, where the underlying infrastructure is supported by AWS. D. Amazon RDS is a relational database service, where the underlying infrastructure is supported by the customer on an EC2 instance.

B. Amazon RDS is a managed relational database service, where the underlying infrastructure is supported by AWS.

What databases engines are supported by AWS RDS? (Choose all that apply) A. MongoDB B. Microsoft SQL Server and Oracle C. DynamoDB D. Aurora, MySQL, PostgreSQL, and MariaDB

B. Microsoft SQL Server and Oracle D. Aurora, MySQL, PostgreSQL, and MariaDB

Data stored in a DynamoDB database is stored in ____ name-value documents. A. MySQL-like B. Row-Column Matrix C. JSON-like D. RDS-like

C. JSON-like


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