A Developer Is Building an Application That Must Allow Users

question 402

Multiple Choice

A developer is building an application that must allow users to upload images to an Amazon S3 bucket. Users need to be able to sign in to the application using Facebook to upload images. How can these requirements be met?

• A) Store a user's Facebook user name and password in an Amazon DymanoDB table. Authenticate against those credentials the next time the user tries to log in.
• B) Create an Amazon Cognito identity pool using Facebook as the identity provider. Obtain temporary AWS credentials so a user can access Amazon S3.
• C) Create multiple AWS IAM users. Set the email and password to be the same as each user's Facebook login credentials.
• D) Create a new Facebook account and store its login credentials in an S3 bucket. Share that S3 bucket with a user. The user will log in to the application using those retrieved credentials.

Understand the concept and purposes of sales promotions and identify their temporary nature and impact on sales.

Recognize direct marketing as a promotional alternative that uses direct communication with consumers to generate specific responses.

Identify various sales promotion tools and understand their role in marketing strategies.

Distinguish between different promotional elements such as personal selling, advertising, public relations, and direct marketing.

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Definitions:

Multiple Comparison Methods

Statistical procedures used to determine significant differences among group means in a dataset, where several groups are compared.

F-test

A statistical test used to compare two variances to ascertain if they come from the same population.

Randomized Block Experiment

A design of experiment in which subjects are blocked into groups to control for variability, and then randomly assigned to treatments within each block.

Multiple Comparison Methods

Multiple comparison methods are statistical procedures used to evaluate differences among three or more group means while controlling for the probability of making type I errors.