Exploring AWS Database Services

What is AWS RDS and what types of databases does it support?

• AWS RDS is limited to only one type of database.

• AWS RDS only supports NoSQL databases.

• AWS RDS supports several types of databases including MySQL, PostgreSQL, MariaDB, Oracle, and Microsoft SQL Server.

• AWS RDS is a file storage service.

Explain the main differences between AWS DynamoDB and AWS RDS.

• DynamoDB is a relational database, while RDS is a NoSQL database.

• RDS is designed for unstructured data, while DynamoDB is for structured data.

• DynamoDB is a NoSQL database for unstructured data, while RDS is a managed relational database for structured data.

• DynamoDB supports SQL queries, whereas RDS does not.

What is Amazon Neptune primarily used for?

• NoSQL document database

• Data warehousing solution

• Graph database service

• Relational database service

Describe the purpose of Amazon Timestream.

• To provide a cloud storage solution for large files.

• The purpose of Amazon Timestream is to provide a scalable and efficient database for storing and analyzing time series data.

• To serve as a content delivery network for media streaming.

• To manage user authentication and access control for applications.

What are the different types of database instances available in AWS?

• S3 Bucket

• Relational Database Service (RDS), DynamoDB, ElastiCache, Redshift

• Lambda Function

• CloudFront

How does AWS Keyspaces differ from traditional databases?

• AWS Keyspaces differs from traditional databases by being a serverless, managed NoSQL database that automatically scales and offers high availability, unlike traditional databases that require manual server management.

• AWS Keyspaces is a local database that runs on physical servers.

• AWS Keyspaces is a traditional SQL database that requires manual scaling.

• AWS Keyspaces does not support high availability and is not managed.

What is Amazon DocumentDB and what is its primary use case?

• Amazon DocumentDB is a cloud storage service for unstructured data.

• Amazon DocumentDB is a data warehousing solution for big data analytics.

• Amazon DocumentDB is a relational database service for structured data.

• Amazon DocumentDB is a managed document database service primarily used for applications requiring flexible data models and large volumes of semi-structured data.

Explain the role of Amazon ElastiCache in application performance.

• Amazon ElastiCache improves application performance by providing in-memory caching, reducing latency, and increasing throughput.

• Amazon ElastiCache increases application performance by adding more servers.

• Amazon ElastiCache is used for data storage only.

• Amazon ElastiCache eliminates the need for a database entirely.

What is IAM in the context of AWS?

• Identity and Access Management (IAM) for databases

• Identity and Access Management (IAM) for on-premises servers

• Identity and Access Management (IAM) in AWS.

• Identity and Access Management (IAM) in Azure

Define the difference between an IAM user, IAM role, and IAM group.

• IAM user: individual identity; IAM role: temporary permissions; IAM group: collection of users.

• IAM user: group of users; IAM role: permanent permissions; IAM group: individual identity.

• IAM user: temporary permissions; IAM role: collection of users; IAM group: individual identity.

• IAM user: collection of roles; IAM role: individual identity; IAM group: temporary permissions.