A Company Is Deploying a Web Service to Amazon EC2

question 228

Multiple Choice

A company is deploying a web service to Amazon EC2 instances behind an Elastic Load Balancer. All resources will be defined and created in a single AWS CloudFormation stack using a template. The creation of each EC2 instance will not be considered complete until an initialization script has been run successfully on the EC2 instance. The Elastic Load Balancer cannot be created until all EC2 instances have been created. Which CloudFormation resource will coordinate the Elastic Load Balancer creation in the CloudFormation stack template?

• A) CustomResource
• B) DependsOn
• C) Init
• D) WaitCondition

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Definitions:

Emitted

Refers to the act of sending out or giving off something, such as light, heat, or signals.

Elicited

Brought about or provoked; in psychology, it often refers to responses or reactions that are drawn out by specific stimuli or conditions.

Respondent

An individual who answers or responds to a survey, questionnaire, or experiment.

Variable-Ratio

A type of reinforcement schedule used in operant conditioning where reinforcement is given after an unpredictable number of responses.