AWS Certified Data Analytics Specialty 2021 - Hands-On! - Amazon DynamoDB Indexes: Local Secondary Index (LSI) and Globa

What is a key characteristic of Local Secondary Indexes (LSI) in DynamoDB?

• They are defined at table creation time.

• They have their own read and write capacity units.

• They require a new partition key.

• They can be added after table creation.

Which of the following is true about Global Secondary Indexes (GSI) in DynamoDB?

• They cannot be modified after creation.

• They allow for a new partition key.

• They do not require read and write capacity units.

• They must be defined at table creation.

What is a major difference between LSI and GSI in terms of table creation?

• LSI can be added after table creation.

• GSI must be defined at table creation.

• LSI requires a new partition key.

• GSI can be added after table creation.

In the DynamoDB UI, what is required when creating a GSI?

• Only a sort key is needed.

• A new partition key and optional sort key are needed.

• No additional keys are needed.

• Only the existing partition key is used.

When creating an LSI in the DynamoDB UI, what must be true about the partition key?

• It is not required.

• It can be any attribute.

• It must be the same as the table's partition key.

• It must be different from the table's partition key.