A Developer Is Writing a Mobile Application That Allows Users

question 120

Multiple Choice

A Developer is writing a mobile application that allows users to view images from an S3 bucket. The users must be able to log in with their Amazon login, as well as Facebook® and/or Google® accounts. How can the Developer provide this authentication functionality?

• A) Use Amazon Cognito with web identity federation.
• B) Use Amazon Cognito with SAML-based identity federation.
• C) Use AWS IAM Access/Secret keys in the application code to allow Get* on the S3 bucket. Use AWS IAM Access/Secret keys in the application code to allow Get* on the S3 bucket.
• D) Use AWS STS AssumeRole in the application code and assume a role with Get* permissions on the S3 bucket. Use AWS STS AssumeRole in the application code and assume a role with permissions on the S3 bucket.

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Definitions:

Price Of Ethanol

The cost at which ethanol, a type of alcohol used as fuel, is sold in the market.

Supply Curve

A graph showing the relationship between the price of a good and the amount of it that suppliers are willing to produce and sell, typically upward sloping.

Producer Surplus

The difference between what producers are willing to sell a good for and the actual price they receive, representing the additional benefit or surplus enjoyed by producers due to market conditions.

Consumer Surplus

The difference between what consumers are willing to pay for a good or service and what they actually pay, representing the economic benefit to consumers.