API GW

To create a serverless API, you should integrate Amazon API Gateway with ......................

• EC2 Instance

• Elastic Load Balancing

• AWS Lambda

When you are using an Edge-Optimized API Gateway, your API Gateway lives in CloudFront Edge Locations across all AWS Regions.

• True

• False

You are running an application in production that is leveraging DynamoDB as its datastore and is experiencing smooth sustained usage. There is a need to make the application run in development mode as well, where it will experience the unpredictable volume of requests. What is the most cost-effective solution that you recommend?

• Use Provisioned Capacity Mode with Auto Scaling enabled for both development and production

• Use Provisioned Capacity Mode with Auto Scaling enabled for production and use On-Demand Capacity Mode for development

• Use Provisioned Capacity Mode with Auto Scaling enabled for development and use On-Demand Capacity Mode for production

• Use On-Demand Capacity Mode for both development and production

The maximum size of an item in a DynamoDB table is ...................

• 1MB

• 500 KB

• 400 KB

• 400MB

A social media application is hosted on an EC2 server fleet running behind an Application Load Balancer. The application traffic is fronted by a CloudFront distribution. The engineering team wants to decouple the user authentication process for the application, so that the application servers can just focus on the business logic.

As a Solutions Architect, which of the following solutions would you recommend to the development team so that it requires minimal development effort?

• Use Cognito Authentication via Cognito User Pools for your Application Load Balancer

• Use Cognito Authentication via Cognito Identity Pools for your Application Load Balancer

• Use Cognito Authentication via Cognito User Pools for your CloudFront distribution

• Use Cognito Authentication via Cognito Identity Pools for your CloudFront distribution

You have been hired as a Solutions Architect to advise a company on the various authentication/authorization mechanisms that AWS offers to authorize an API call within the API Gateway. The company would prefer a solution that offers built-in user management.

Which of the following solutions would you suggest as the best fit for the given use-case?

• Use Amazon Cognito User Pools

• Use AWS_IAM authorization

• Use API Gateway Lambda authorizer

• Use Amazon Cognito Identity Pools