Amazon Exam DVA-C02 Topic 2 Question 28 Discussion

Actual exam question for Amazon's DVA-C02 exam

Question #: 28
Topic #: 2

A developer needs to build an AWS CloudFormation template that self-populates the AWS Region variable that deploys the CloudFormation template

What is the MOST operationally efficient way to determine the Region in which the template is being deployed?

AUse the AWS:.Region pseudo parameter

BRequire the Region as a CloudFormation parameter

CFind the Region from the AWS::Stackld pseudo parameter by using the Fn::Split intrinsic function

DDynamically import the Region by referencing the relevant parameter in AWS Systems Manager Parameter Store

Show Suggested Answer

Suggested Answer: A

Pseudo Parameters:CloudFormation provides pseudo parameters that reference runtime context, including the current AWS Region.

Operational Efficiency:TheAWS::Regionpseudo parameter offers the most direct and self-contained way to obtain the Region dynamically within the template.

CloudFormation Pseudo Parameters:https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/pseudo-parameter-reference.html

by Cletus at Jun 03, 2024, 09:45 AM

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Clare

6 months ago

I gotta say, Option C is pretty clever. Using the Fn::Split function to extract the region from the StackId? That's some next-level CloudFormation wizardry right there.

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Lili

6 months ago

Haha, Option D is just plain silly. Dynamically importing the region from Parameter Store? That's like using a sledgehammer to crack a nut. Keep it simple, folks!

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Antonio

6 months ago

Hmm, I'm not sure Option A is the best choice. What if you need to deploy the template in multiple regions? Wouldn't it be more flexible to use a parameter instead?

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Essie

5 months ago

Yeah, I agree. Using a parameter would allow for more customization.

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Kaycee

5 months ago

I think Option B would be more flexible for deploying in multiple regions.

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Tijuana

6 months ago

I'm with Eveline on this one. Option A is the clear winner. No need to jump through hoops when you've got a simple and reliable pseudo parameter at your disposal.

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6 months ago

I think the most operationally efficient way is to use the AWS::Region pseudo parameter.

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