Launching an RDS instance in AWS - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is Amazon RDS?

Amazon RDS (Relational Database Service) is a cloud service that makes it easy to set up, operate, and scale a relational database in the cloud without managing the underlying hardware.

beginner

What are the main steps to launch an RDS instance?

1. Choose a database engine (e.g., MySQL, PostgreSQL).<br>2. Select instance size and storage.<br>3. Configure network and security settings.<br>4. Set database credentials.<br>5. Launch the instance.

beginner

Why do you need to configure security groups when launching an RDS instance?

Security groups act like a firewall to control which computers or services can connect to your RDS instance, keeping your database safe from unauthorized access.

intermediate

What is the purpose of the DB parameter group in RDS?

A DB parameter group is a collection of settings that control the behavior of the database engine, like memory usage or timeouts. It lets you customize how your database works.

intermediate

What does Multi-AZ deployment mean in RDS?

Multi-AZ deployment means your database is automatically copied to another availability zone for high availability and automatic failover if the main database fails.

Which of the following is NOT a supported database engine in Amazon RDS?

A MongoDB

B PostgreSQL

C MySQL

D Oracle

Amazon RDS supports MySQL, PostgreSQL, Oracle, SQL Server, and MariaDB, but not MongoDB.

What is the default storage type recommended for most RDS instances?

A General Purpose SSD (gp3)

B Magnetic storage

C Provisioned IOPS SSD

D Cold HDD

General Purpose SSD (gp3) is the default and recommended storage type for most workloads due to its balance of price and performance.

Which setting controls who can connect to your RDS instance?

A DB parameter group

B Security group

C Subnet group

D IAM role

Security groups control network access to your RDS instance by allowing or blocking traffic.

What does enabling Multi-AZ deployment provide?

A Automatic backups

B Read replicas

C Encryption at rest

D High availability with failover

Multi-AZ deployment creates a standby replica in another availability zone for automatic failover and high availability.

Which credential do you need to set when launching an RDS instance?

A EC2 key pair

B AWS root account password

C Database master username and password

D IAM user password

You must set the database master username and password to access the database.

Explain the key steps and considerations when launching an Amazon RDS instance.

Think about what you need to decide before your database is ready to use.

Describe how security groups protect your RDS instance and why they are important.

Imagine your database is a house; security groups are the locks on the doors.