An Application Is Running on Amazon EC2 Instances Behind an Application

question 259

Multiple Choice

An application is running on Amazon EC2 instances behind an Application Load Balancer (ALB) . The instances are configured in an Amazon EC2 Auto Scaling group. A SysOps Administrator must configure the application to scale based on the number of incoming requests. Which solution accomplishes this with the LEAST amount of effort?

• A) Use a simple scaling policy based on a custom metric that measures the average active requests of all EC2 instances
• B) Use a simple scaling policy based on the Auto Scaling group GroupDesiredCapacity metric Use a simple scaling policy based on the Auto Scaling group GroupDesiredCapacity metric
• C) Use a target tracking scaling policy based on the ALB's ActiveConnectionCount metric Use a target tracking scaling policy based on the ALB's ActiveConnectionCount metric
• D) Use a target tracking scaling policy based on the ALB's RequestCountPerTarget metric RequestCountPerTarget

Identify the implications of using ROI as a performance measure and its impact on managerial decisions.

Comprehend the role of throughput time and its calculation.

Understand the balanced scorecard approach and its application in strategic management and performance improvement.

Recognize the importance of financial measures and their indications as lag indicators of past performance.

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Definitions:

Resistance

Opposition or defiance against an authority or any controlling force.

Spanish-American-Cuban-Filipino War

Also known as the Spanish-American War (1898), this conflict involved the United States supporting Cuban and Filipino rebels against Spanish colonial rule, resulting in the U.S. acquiring territories like Guam, Puerto Rico, and the Philippines.

African American Soldiers

Refers to soldiers of African descent who have served in the U.S. military, facing segregation and discrimination, especially notable during the Civil War and World Wars.

Racism

Discrimination or prejudice against individuals on the basis of their race, often rooted in the belief that one race is superior to others.