An E-Commerce Site Allows Returning Users to Log in to Display

question 67

Multiple Choice

An e-commerce site allows returning users to log in to display customized web pages. The workflow is shown in the image below: An application is running on EC2 instances. Amazon RDS is used for the database that stores user accounts and preferences. The website freezes or is slow to load while waiting for the login step to complete. The remaining components of the site are well-optimized. Which of the following techniques will resolve this issue? (Choose two.)

• A) Implement the user login page as an asynchronous Lambda function.
• B) Use Amazon ElastiCache for MemCached to cache user data.
• C) Use an Amazon Application Load Balancer to load balance the traffic to the website.
• D) Call the database asynchronously so the code can continue executing.
• E) Batch login requests from hundreds of users together as a single read request to the database.

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Definitions:

Civic Engagement

The involvement of individuals in the decision-making processes, community activities, and democratic life, often aimed at improving conditions for others or shaping community development.

Social Capital

The networks, relationships, and norms that facilitate collective action and cooperation for mutual benefit in societies.

Nonprofits

A rephrased term for organizations that focus on social, educational, or charitable missions instead of financial gain.

Total Combined Assets

The aggregate value of all assets owned by an entity, including cash, investments, property, and any other resources of value.