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Exam AWS-SysOps topic 1 question 843 discussion

Exam question from Amazon's AWS-SysOps

Question #: 843
Topic #: 1

An Application team has asked a SysOps Administrator to provision an additional environment for an application in four additional regions. The application is running on more than 100 instances in us-east-1, using fully baked AMIs. An AWS CloudFormation template has been created to deploy resources in us-east-1.
What must the SysOps Administrator do to provision the application quickly?

A. Copy the AMI to each region using aws ec2 copy-image. Update the CloudFormation mapping to include mappings for the copied AMIs.
B. Create a snapshot of the running instance and copy the snapshot to the other regions. Create an AMI from the snapshots. Update the CloudFormation template for each region to use the new AMI.
C. Run the existing CloudFormation template in each additional region based on the success of the template used currently in us-east-1.
D. Update the CloudFormation template to include the additional regions in the Auto Scaling group. Update the existing stack in us-east-1.

Show Suggested Answer

Suggested Answer: C 🗳️

by tiffanny at Sept. 13, 2020, 4:35 p.m.

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Comments

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tiffanny

Highly Voted 2 years, 9 months ago

Ans : A

upvoted 13 times

tifoz

2 years, 9 months ago

https://awscli.amazonaws.com/v2/documentation/api/latest/reference/ec2/copy-image.html

upvoted 1 times

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vob

Highly Voted 2 years, 9 months ago

Not D. No mention of ASG. Not C. The template won't work in other regions unless modified. Not B. If you have an AMI, you would copy the AMI to another region, you would not need snapshots. Answer is A. The command exists and is correct in that you would need to update the mapping (static variable declaration of the AMI).

upvoted 9 times

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albert_kuo

Most Recent 11 months, 2 weeks ago

Selected Answer: A

Option A is the most suitable approach for quickly provisioning the application in multiple regions. By using aws ec2 copy-image command, you can copy the existing fully baked AMI from the us-east-1 region to the four additional regions. This eliminates the need to create new AMIs manually in each region. After copying the AMI to each region, you should update the CloudFormation template's mapping section to include the mappings for the copied AMIs in the four additional regions. This allows the CloudFormation stack to use the correct AMI for each region during the deployment.

upvoted 1 times

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gulu73

1 year, 5 months ago

Selected Answer: A

I vote for A

upvoted 1 times

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RicardoD

2 years, 8 months ago

A is the answer

upvoted 1 times

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abhishek_m_86

2 years, 8 months ago

A. Copy the AMI to each region using aws ec2 copy-image. Update the CloudFormation mapping to include mappings for the copied AMIs.

upvoted 2 times

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jackdryan

2 years, 8 months ago

I'll go with A

upvoted 1 times

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ataraxium

2 years, 8 months ago

Why not B?

upvoted 3 times

Cyril_the_Squirl

2 years, 8 months ago

It’s a tricky play on words, there’s no option to create a snapshot of the ec2 instance like option B suggests. You can only create either a launch template or an ami image from ec2.

upvoted 1 times

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MFDOOM

2 years, 8 months ago

A. Copy the AMI to each region using aws ec2 copy-image. Update the CloudFormation mapping to include mappings for the copied AMIs.

upvoted 1 times

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MegatonN

2 years, 9 months ago

AMI id is unique / region To copy AMI to on other region you need to: - create a snapshot - copy the snapshot to an other region - create a AMI from the snapshot (per region) With this new AMI id you can modify your cloudformation template and run the creation

upvoted 2 times

Tom_tank

2 years, 9 months ago

https://aws.amazon.com/blogs/aws/ec2-ami-copy-between-regions/#:~:text=You%20can%20copy%20the%20same,the%20AMI%20to%20end%20up.

upvoted 1 times

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