A Company Has an Application That Posts Messages to Amazon

question 65

Multiple Choice

A company has an application that posts messages to Amazon SQS. Another application polls the queue and processes the messages in an I/O-intensive operation. The company has a service level agreement (SLA) that specifies the maximum amount of time that can elapse between receiving the messages and responding to the users. Due to an increase in the number of messages, the company has difficulty meeting its SLA consistently. What should a solutions architect do to help improve the application's processing time and ensure it can handle the load at any level?

• A) Create an Amazon Machine Image (AMI) from the instance used for processing. Terminate the instance and replace it with a larger size.
• B) Create an Amazon Machine Image (AMI) from the instance used for processing. Terminate the instance and replace it with an Amazon EC2 Dedicated Instance.
• C) Create an Amazon Machine image (AMI) from the instance used for processing. Create an Auto Scaling group using this image in its launch configuration. Configure the group with a target tracking policy to keep its aggregate CPU utilization below 70%.
• D) Create an Amazon Machine Image (AMI) from the instance used for processing. Create an Auto Scaling group using this image in its launch configuration. Configure the group with a target tracking policy based on the age of the oldest message in the SQS queue.

Understand Freud's stages of psychosexual development and their impacts.

Discriminate between Freud's scientific and pseudoscientific contributions to psychology.

Identify Freud's concepts of defense mechanisms and their role in coping with psychological stress.

Recognize the criticisms and limitations of Freudian theory and research methods.

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Definitions:

Immigration

The process of permanently settling in a country that is not one's own.

Country A

A placeholder name often used in hypothetical economic models or discussions to refer to an unspecified country.

Business Income

The profit or loss generated from a company's activities after deducting expenses.

Emigration

The act of leaving one's resident country or region with the intent to settle elsewhere.