A Company Has a Two-Tier Application Running on an Amazon

question 139

Multiple Choice

A company has a two-tier application running on an Amazon EC2 server that handles all of its AWS based e-commerce activity. During peak times, the backend servers that process orders are overloaded with requests. This results in some orders failing to process. A developer needs to create a solution that will re-factor the application. Which steps will allow for more flexibility during peak times, while still remaining cost-effective? (Choose two.)

• A) Increase the backend T2 EC2 instance sizes to x1 to handle the largest possible load throughout the year.
• B) Implement an Amazon SQS queue to decouple the front-end and backend servers.
• C) Use an Amazon SNS queue to decouple the front-end and backend servers.
• D) Migrate the backend servers to on-premises and pull from an Amazon SNS queue.
• E) Modify the backend servers to pull from an Amazon SQS queue.

Recognize different categories of activities and their role in cost allocation

Understand the concept and application of activity-based costing.

Identify different types of activity levels (unit-level, batch-level, product-level, facility-level).

Calculate predetermined overhead rates and activity rates.

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Definitions:

Disturbed Thought Processes

A disruption in the way thoughts are organized, leading to difficulties in reasoning, problem-solving, and understanding.

Social Isolation

A state in which an individual lacks a sense of social belonging, true engagement with others, and fulfilling relationships, which can affect mental and physical health.

Neurobiological

Pertaining to the biological study of the nervous system and its impact on behavior, thought processes, and emotions.

Environmental

Relating to or arising from the natural world and the impact of human activity on its condition.