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Amazon Exam DVA-C02 Topic 1 Question 35 Discussion

Actual exam question for Amazon's DVA-C02 exam
Question #: 35
Topic #: 1
[All DVA-C02 Questions]

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?

Show Suggested Answer Hide 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

Contribute your Thoughts:

Lorean
11 days ago
Haha, this question is a real brainteaser. I'm just picturing the developer trying to figure out the Region by reading tea leaves or something.
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Jutta
13 days ago
C'mon, guys, using Fn::Split on the AWS::StackId is just too much work. Why not keep it simple with the AWS::Region pseudo parameter?
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Cheryll
17 days ago
I think dynamically importing the Region by referencing the relevant parameter in AWS Systems Manager Parameter Store is the best option.
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Shad
17 days ago
Ooh, I'd go with option D. Dynamically importing the Region from AWS Systems Manager Parameter Store seems like a really flexible and future-proof solution.
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Stevie
6 days ago
User 1: I think option D is the way to go.
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Ashlyn
19 days ago
I personally prefer finding the Region from the AWS::StackId pseudo parameter using the Fn::Split intrinsic function.
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Latosha
22 days ago
I disagree, I believe requiring the Region as a CloudFormation parameter is more reliable.
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Arlie
29 days ago
I think the most efficient way is to use the AWS::Region pseudo parameter.
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Anglea
1 months ago
I think the most efficient way is to use the AWS::Region pseudo parameter. That way, the Region is automatically detected and doesn't need to be manually set as a parameter.
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Dick
19 days ago
C) Find the Region from the AWS::StackId pseudo parameter by using the Fn::Split intrinsic function
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Alida
20 days ago
A) Use the AWS::Region pseudo parameter
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