AWS Certified Data Analytics Specialty 2021 - Hands-On! - [Exercise] Amazon DynamoDB

What is the primary reason for using a custom consumer script instead of AWS Lambda in the initial setup?

• AWS Lambda is not supported in the current region.

• The course has not yet covered AWS Lambda.

• AWS Lambda is more expensive than a custom script.

• The custom script offers better performance.

What is the partition key used in the DynamoDB table setup?

• Order ID

• Customer Name

• Customer ID

• Invoice Number

Why is a sort key necessary in the DynamoDB table?

• To reduce storage costs.

• To improve data retrieval speed.

• To provide a unique key for each record.

• To ensure data is stored in alphabetical order.

Which Python version is recommended for use on the EC2 instance?

• Python 3.8

• Python 2.6

• Python 2.7

• Python 3

What is the purpose of the consumer script in the system?

• To generate new data for the Kinesis stream.

• To convert CSV data to JSON format.

• To listen for new data and insert it into DynamoDB.

• To manage user authentication for the application.

How is a unique sort key created for each data entry?

• By using a random number generator.

• By hashing the customer ID.

• By concatenating the invoice number and stock code.

• By using the current timestamp.

What future improvement is suggested for the system?

• Using AWS Lambda for better scalability.

• Adding more EC2 instances.

• Switching to a different database service.

• Implementing a new data format.