3. Database Flashcards
True or False: Amazon RDS supports multiple database engines.
True
Which of the following is NOT a database engine supported by RDS: MySQL, MongoDB, PostgreSQL, Oracle?
MongoDB
What is the maximum size for an Amazon RDS instance storage?
64 TiB
True or False: RDS automatically backs up your database.
True
What feature of RDS allows for automatic failover to a standby instance?
Multi-AZ deployments
Which AWS service can be used to monitor RDS performance metrics?
Amazon CloudWatch
What does the term ‘read replica’ refer to in RDS?
A read-only copy of the primary database instance
What is the primary benefit of using RDS for database management?
Simplified database setup, operation, and scaling
What is the purpose of parameter groups in RDS?
To manage database engine settings
Fill in the blank: Amazon RDS can be used to host __________ databases.
multiple
Which of the following is a benefit of using Amazon RDS: automatic backups, manual scaling, or no high availability?
Automatic backups
What is the default backup retention period for RDS?
7 days
True or False: You can use RDS to run NoSQL databases.
False
What does the RDS instance type determine?
The compute and memory capacity of the instance
Fill in the blank: Amazon RDS supports __________ scaling for read workloads.
horizontal
What is the purpose of the AWS Database Migration Service (DMS)?
To help migrate databases to AWS
Which RDS feature allows for data encryption at rest?
AWS Key Management Service (KMS)
What is the maximum number of read replicas you can have for an RDS instance?
5
What is the main difference between RDS and EC2 in terms of database management?
RDS is a managed service, while EC2 requires manual management.
Fill in the blank: Amazon RDS allows you to choose between __________ and on-demand pricing models.
reserved
Which of the following is a feature of Amazon RDS: automatic software patching, manual backups, or no monitoring?
Automatic software patching
What is the purpose of a subnet group in RDS?
To specify the subnets in which RDS instances can be created.
What does the term ‘instance class’ refer to in RDS?
The type and size of the RDS instance
Fill in the blank: The __________ feature in RDS allows you to create a snapshot of your database at any time.
manual snapshot