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 is NOT a relational database that can be used with Amazon RDS?

MySQL
MariaDb
Elasticache
Oracle

The correct answer is: Elasticache

Amazon RDS (Relational Database Service) is a managed service that supports various relational database engines. MySQL, MariaDB, and Oracle are all database engines that can be deployed and managed using Amazon RDS. They adhere to the relational model, where data is structured in tables, and SQL (Structured Query Language) is used for querying and managing that data. ElastiCache, on the other hand, is not a relational database. It is a web service designed to provide in-memory caching solutions using technologies like Redis and Memcached. ElastiCache is used primarily to optimize the performance of web applications by storing frequently accessed data in memory, rather than as a traditional database that organizes data in a structured way with relationships and SQL queries. Thus, it does not fit the profile of a relational database that would be compatible with Amazon RDS.