You Set Up a Scalable Continuous Integration Platform on AWS

question 108

Multiple Choice

You set up a scalable continuous integration platform on AWS. The platform consists of a master node that can delegate project build jobs to multiple slave nodes, all running on Amazon EC2. The build output will be stored in Amazon S3. You always have five slave nodes deployed. Each slave node can handle 10 build jobs simultaneously. Your master node publishes a custom Amazon CloudWatch metric with the name "RunningBuildiobs" that Slows you to programmatically track how many build jobs are running across your platform. Which two configuration options will allow you to flexibly scale your platform to support more than 50 simultaneous build jobs while minimizing costs? (Choose two.)

• A) Place your fleet of slave nodes in an Auto Scaling group. Configure a CloudWatch alarm that triggers an Auto Scaling policy to launch Amazon EC2 Instances when "RunningBuildJobs" is greater than 45 for more than five minutes.
• B) Configure a CloudWatch alarm that sends an alert when "RunningBuildJobs" is greater than 45 for more than five minutes. Use Amazon Simple Queue Service to process additional build jobs when the CloudWatch alarm is triggered.
• C) Configure your fleet of slave nodes to fully utilize all of your purchased Amazon EC2 Heavy Utilization Reserved Instances. Configure a CloudWatch alarm that launches new Amazon EC2 instances when "RunningBuildJobs" is less than 40 for more than five minutes.
• D) Run your fleet of slave nodes in an Auto Scaling group. Configure a Cloudwatch alarm that launches new Amazon EC2 Dedicated Instances when "RunningBuildJobs" is less than 40 for more than five minutes.
• E) Place your fleet of slave nodes in an Auto Scaling group. Configure a CloudWatch alarm that triggers an Auto Scaling policy to terminate Amazon EC2 instances when "RunningBuildJobs" is less than 40 for more than five minutes.

Analyze the supply curve of a firm and industry in perfect competition.

Understand the biological underpinnings of generalized anxiety disorder.

Comprehend the role of GABA in the inhibition of neuronal firing in the brain.

Recognize the theoretical positions relating to the origin of phobias.

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Definitions:

Hedonic Adaptation

The noted human inclination to swiftly revert to a stable state of happiness, regardless of significant life changes or impactful positive or negative occurrences.

Subjective Well-being

A person's own evaluation of their happiness and satisfaction with life.

Robert Plutchik

A psychologist known for his psychoevolutionary theory of emotion, which categorized emotions into eight primary types.

Primary Emotion

Basic emotions that are hard-wired in the brain and universally recognized, such as happiness, sadness, fear, and anger.