True or false: DynamoDB is a fully managed highly available NoSQL service that is addressable via a standard SQL interface.
What is the difference between ACID and BASE data as far as consistency is concerned?
You have an application that requires storing session data for a complex web application that performs BI on a very large backend dataset. Which database type is suitable for storing sessions for this application?
Which HTTP methods map to CRUD (create, read, update, and delete)?
Describe the relationships between tables, items, and attributes in DynamoDB.
What is the maximum item size in DynamoDB?
What are the two ways of determining capacity units in DynamoDB?
You have an application that collects metrics from industrial sensors at a rate of 50 MB per second. Each entry is 1.5 KB in size and the performance is consistent. You set up a DynamoDB table with on-demand provisioning in the US West (Oregon) region to ingest all the writes. You run a test and find that not all the values are being stored. You look at the sensor logs and see a lot of ProvisionedThroughputExceededException errors in the logs. What could be the problem?
You need to gather metrics from an online test from thousands of students. The current database is MySQL and the proposal is to move to DynamoDB. How would you choose the partition and sort key according to the following requirements:
Retrieve the score per user by entering the username
Rank by the date the test was taken (a user can take the test multiple times)
