AWS (Amazon Web Services) Certification Practice Exam

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Prepare for your AWS Certification Exam with flashcards and multiple-choice questions. Each question comes with hints and detailed explanations to help you succeed. Enhance your skills and be ready for the exam!

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Which of the following are the two main types of AWS databases?

Distributed and Centralized
Relational and Non-Relational
Managed and Unmanaged
In-memory and Disk-based

The correct answer is: Relational and Non-Relational

The two main types of AWS databases are relational and non-relational. Relational databases organize data into structured tables with predefined schemas, allowing for complex queries using SQL. Examples of relational databases in AWS include Amazon RDS (Relational Database Service) and Amazon Aurora. Non-relational databases, often referred to as NoSQL databases, offer a more flexible data model, allowing storage of semi-structured or unstructured data. They are designed to scale out horizontally and provide high availability and performance, making them suitable for a variety of applications. Examples of non-relational databases in AWS include Amazon DynamoDB and Amazon DocumentDB. Understanding the distinction between relational and non-relational databases is crucial because it affects how data is stored, accessed, and managed within applications on the AWS platform. This classification also informs decisions regarding data modeling, application design, and scaling strategies based on specific project requirements.