Amazon AWS module 8- Database

What is Amazon RDS primarily used for?

• Web hosting
• Relational database management
• Data warehousing
• File storage

Answer explanation

Amazon RDS is used for managing relational databases in the cloud, providing scalable, efficient database solutions.

Amazon RDS automates which of the following tasks?

• Application development
• Database backups
• Website design
• Email services

Answer explanation

RDS automates tasks like database setup, patching, and backups, making database management easier.

Amazon DynamoDB is known for what type of database model?

• Relational
• NoSQL
• Graph
• Network

Answer explanation

DynamoDB is a NoSQL database service, ideal for large-scale, low-latency applications.

What feature is a key functionality of Amazon DynamoDB?

• SQL querying
• High availability and scalability
• HTML storage
• Email integration

Answer explanation

DynamoDB offers high availability and scalability, crucial for handling large applications and traffic.

Amazon Redshift is primarily used for what purpose?

• Gaming
• Data warehousing
• Web hosting
• Graphic design

Answer explanation

Redshift is used for data warehousing, offering a scalable solution for large data storage and analysis.

Amazon Aurora is compatible with which database?

• MongoDB
• PostgreSQL
• Cassandra
• Redis

Answer explanation

Aurora is compatible with MySQL and PostgreSQL, enhancing these relational databases with cloud functionality.

What can you do in an RDS database?

• Launch instances
• Write HTML code
• Develop apps
• Design graphics

Answer explanation

In RDS, users can launch database instances, essential for managing and operating databases in AWS.

Amazon RDS supports which database engines?

• MySQL, Oracle, PostgreSQL
• MongoDB, Cassandra
• Redis, Neo4j
• Elasticsearch, Couchbase

Answer explanation

RDS supports MySQL, Oracle, and PostgreSQL, among others, providing flexibility in database management.

What type of database is Amazon Aurora?

• NoSQL
• Relational
• Graph
• Object-oriented

Answer explanation

Aurora is a relational database, offering high performance and compatibility with MySQL and PostgreSQL.

In Amazon RDS, what is the main benefit of read replicas?

• Data backup
• Increased read scaling
• Reduced costs
• Enhanced security

Answer explanation

Read replicas increase read scaling in RDS, improving performance for read-heavy operations.