Quiz: Module 06: Databases with Amazon RDS and DynamoDB
Test your understanding of the concepts covered in this module.
7 questions
- 1
Which of the following best describes the difference between Amazon RDS Multi-AZ deployments and read replicas?
- 3
A DynamoDB table uses `CustomerId` as the partition key and `OrderDate` as the sort key. Which of the following statements about this table's primary key are correct? (Select TWO.)Select multiple
- 5
Which DynamoDB capacity mode should you choose for a new application with unpredictable traffic patterns?
- 7
An RDS PostgreSQL instance is deployed in a private subnet with no route to an internet gateway. The application server connects to the database through the VPC's internal network. Which security benefit does this configuration provide?
- 8
Which of the following are valid RDS database engines? (Select THREE.)Select multiple
- 9
An RDS DB instance has automated backups enabled with a retention period of 7 days. A developer accidentally deletes critical data from a table at 2:30 PM today. Using point-in-time recovery, what happens when the developer restores the database to 2:25 PM?
- 10
A DynamoDB table stores user session data with `SessionId` as the partition key. The application frequently needs to look up sessions by `UserId`, which is a non-key attribute. What is the most efficient way to support this access pattern without scanning the entire table?