A Developer Is Building an Application That Will Run on Amazon

question 458

Multiple Choice

A developer is building an application that will run on Amazon EC2 instances. The application needs to connect to an Amazon DynamoDB table to read and write records. The security team must periodically rotate access keys. Which approach will satisfy these requirements?

• A) Create an IAM role with read and write access to the DynamoDB table. Generate access keys for the user and store the access keys in the application as environment variables.
• B) Create an IAM user with read and write access to the DynamoDB table. Store the user name and password in the application and generate access keys using an AWS SDK.
• C) Create an IAM role, configure read and write access for the DynamoDB table, and attach to the EC2 instances.
• D) Create an IAM user with read and write access to the DynamoDB table. Generate access keys for the user and store the access keys in the application as a credentials file.

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Definitions:

Current Liabilities

Short-term financial obligations that are due to be paid within one year or within the normal operating cycle of a business.

Acid-Test Ratio

A liquidity ratio, also known as the quick ratio, that measures a company's ability to pay off its current liabilities with its quick assets (cash, marketable securities, and accounts receivable).

Stockholders' Equity

The remaining value of a corporation's assets once liabilities are subtracted, which signifies the share of ownership held by the shareholders.

Prepaid Expenses

Expenses paid for in advance and recorded as assets before they are used or consumed.