Your Mobile Application Includes a Photo-Sharing Service That Is Expecting

question 191

Multiple Choice

Your mobile application includes a photo-sharing service that is expecting tens of thousands of users at launch. You will leverage Amazon Simple Storage Service (S3) for storage of the user Images, and you must decide how to authenticate and authorize your users for access to these images. You also need to manage the storage of these images. Which two of the following approaches should you use? (Choose two.)

• A) Create an Amazon S3 bucket per user, and use your application to generate the S3 URI for the appropriate content.
• B) Use AWS Identity and Access Management (IAM) user accounts as your application-level user database, and offload the burden of authentication from your application code.
• C) Authenticate your users at the application level, and use AWS Security Token Service (STS) to grant token-based authorization to S3 objects.
• D) Authenticate your users at the application level, and send an SMS token message to the user. Create an Amazon S3 bucket with the same name as the SMS message token, and move the user's objects to that bucket.
• E) Use a key-based naming scheme comprised from the user IDs for all user objects in a single Amazon S3 bucket.

Identify and explain the biological aspects of human variation and adaptation.

Describe the historical and contemporary misconceptions about race.

Recognize the role of genetics in human diversity and commonality.

Comprehend the impact of environmental factors on human biological diversity.

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Definitions:

Foresight

The ability to predict or plan for future events with thoughtful consideration of possible developments and scenarios.

Job Simplification

The process of reducing the complexity of a job by limiting the number of tasks or operations involved, often with the aim of improving efficiency and productivity.

Work Standards

Established expectations and requirements for performance and behavior in the workplace, guiding how tasks should be performed.

Incentive Wage Plans

Compensation schemes designed to motivate employees by linking pay directly to performance or productivity levels.