You Have an Asynchronous Processing Application Using an Auto Scaling

question 272

Multiple Choice

You have an asynchronous processing application using an Auto Scaling Group and an SQS Queue. The Auto Scaling Group scales according to the depth of the job queue. The completion velocity of the jobs has gone down, the Auto Scaling Group size has maxed out, but the inbound job velocity did not increase. What is a possible issue?

• A) Some of the new jobs coming in are malformed and unprocessable.
• B) The routing tables changed and none of the workers can process events anymore.
• C) Someone changed the IAM Role Policy on the instances in the worker group and broke permissions to access the queue.
• D) The scaling metric is not functioning correctly.

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Definitions:

Absorption Costing

An accounting method that includes all manufacturing costs - direct materials, direct labor, and both variable and fixed overheads - in the cost of a product.

Variable Costing Income (VCI)

An accounting method that includes only variable costs—costs that change with production level—in calculating net income.

Full Costing Income (FCI)

A method of accounting that allocates all fixed and variable costs to products, operations or projects to determine profitability.

Consolidated Accounts

Financial statements that represent the combined financial activities of a parent company and its subsidiaries.