AWS Storage and Databases

What is an instance store?

• An instance store provides temporary block-level storage for an Amazon EC2 instance.

• An instance store is disk storage that is physically attached to the host computer for an EC2 instance, and therefore has the same lifespan as the instance.

• An instance store is where you can buy AWS services.

Do I lose my data in the instance store when an instance is terminated?

• Yes

• No

What is Amazon Simple Storage Service?

• Amazon Simple Storage Service (Amazon S3) is a service that provides object-level storage. Amazon S3 stores data as objects in buckets.

• Amazon Simple Storage Service (Amazon S3) is a service that provides object-level storage. Amazon S3 stores data as objects in big bracket.

What is S3 Infrequent Access?

• S3 Infrequent Access or S3-IA is used for data that is accessed less frequently but requires rapid access when needed.

• S3 Infrequent Access or S3-IA is used for data that is accessed frequently and requires rapid access when needed.

What is Amazon Elastic File System?

• Amazon Elastic File System (Amazon EFS) is a scalable file system used with AWS Cloud services and on-premises resources. As you add and remove files, Amazon EFS grows and shrinks automatically.

• Amazon Elastic File System (Amazon EFS) is a scalable file system used with AWS Cloud services and on-premises resources. As you add and remove files, Amazon EFS can stop working.

What is the difference between Amazon EBS and Amazon EFS?

• An Amazon EBS volume stores data in a single Availability Zone. While, Amazon EFS is a regional service. It stores data in and across multiple Availability Zones.

• An Amazon EBS volume stores data in multiple Availability Zones. While, Amazon EFS is a regional service. It stores data in and across a single Availability Zone.

What are relational databases?

• Relational databases use structured query language (SQL) to store and query data. This approach allows data to be stored in an easily understandable, consistent, and scalable way.

• Relational databases use structured query language (SQL) to store data only.

What is Amazon Relational Database Service?

• Amazon Relational Database Service (Amazon RDS) is a service that enables you to run relational databases in the AWS Cloud.

• Amazon Relational Database Service (Amazon RDS) is a service that enables you to run relational databases in Azure.

What is Amazon Aurora?

• Amazon Aurora is an enterprise-class relational database. It is compatible with MySQL and PostgreSQL relational databases. It is up to five times faster than standard MySQL databases.

• Amazon Aurora is an enterprise-class relational database. It is compatible with MySQL and PostgreSQL relational databases. It is up to three times faster than standard MySQL databases.

• Amazon Aurora is an enterprise-class relational database. It is compatible with MySQL and PostgreSQL relational databases. It is up to ten times faster than standard MySQL databases.

What is Amazon Redshift?

• Amazon Redshift is a data warehousing service that you can use for big data analytics. It offers the ability to collect data from many sources and helps you to understand relationships and trends across your data.

• Amazon Redshift is a data warehousing service that you can use for smaller data analytics.