A Company Is Developing a Serverless Ecommerce Web Application

question 264

Multiple Choice

A company is developing a serverless ecommerce web application. The application needs to make coordinated, all-or-nothing changes to multiple items in the company's inventory table in Amazon DynamoDB. Which solution will meet these requirements?

• A) Enable transactions for the DynamoDB table. Use the BatchWriteItem operation to update the items.
• B) Use the TransactWriteItems operation to group the changes. Update the items in the table.
• C) Set up a FIFO queue using Amazon SQS. Group the changes in the queue. Update the table based on the grouped changes.
• D) Create a transaction table in an Amazon Aurora DB cluster to manage the transactions. Write a backend process to sync the Aurora DB table and the DynamoDB table.

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Definitions:

Financing Costs

Expenses incurred by an entity in borrowing funds, including interest, fees, and other charges associated with the issuance of debt.

Incremental Cash Flow

The additional cash flow generated by a company from a new project or investment, after accounting for expenses.

Capital Budgeting Analysis

Capital budgeting analysis is the process of evaluating and selecting long-term investments that are in alignment with the goal of a company's shareholders' wealth maximization.

Opportunity Cost

The cost of choosing one option over another, representing the benefits an individual, investor, or business misses out on when choosing one alternative over another.