AWS DevOps Engineer Professional Practice Test

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Prepare for the AWS DevOps Engineer Professional Exam with flashcards and multiple choice questions, each with hints and explanations. Get ready to ace your exam!

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What setting must be configured to enable the use of Spot Instances for an Elastic Beanstalk environment?

  1. AWS:EC2:Instances.EnableSpot = false

  2. AWS:EC2:Instances.EnableSpot = true

  3. AWS:EC2:Instances.EnableSpot = enabled

  4. AWS:EC2:Instances.EnableSpot = on

The correct answer is: AWS:EC2:Instances.EnableSpot = true

To enable the use of Spot Instances for an Elastic Beanstalk environment, it is necessary to configure the setting that specifically allows for Spot Instances by assigning it a value that indicates activation. The correct configuration is "AWS:EC2:Instances.EnableSpot = true." This setting directly instructs Elastic Beanstalk to utilize Spot Instances when launching the EC2 instances in the environment. Using true as a value indicates that Spot Instances can be requested, allowing for cost savings and flexibility in resource usage. Spot Instances are often sold at significantly lower prices compared to On-Demand Instances, making them an attractive choice for many applications, particularly those that are fault-tolerant or can handle interruptions. The other configurations reflect either non-standard syntax or incorrect values that would not allow for the activation of Spot Instances. Options that use terms like "enabled" or "on" do not align with the standardized True/False or Boolean configuration required by Elastic Beanstalk for this setting. Thus, the correct option effectively communicates the intention to use Spot Instances within the environment.