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Хмарні технології

Хмарні технології

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Given the Terraform configuration below, in which order will the resources be created?

1. resource "aws_instance" "web_server"

2. {

3. ami = "ami-b374d5a5"

4. instance_type = "t2.micro"

5. }

6. resource "aws_eip" "web_server_ip"

7. {

8. vpc = true instance = aws_instance.web_server.id

9. }

Resources will be created simultaneously

❌

aws_eip will be created first

aws_instance will be created second

❌

aws_instance will be created first

aws_eip will be created second

✅

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After executing a terraform apply, you notice that a resource has a tilde (~) next to it. What does this infer?

The resource will be destroyed and recreated.

❌

The resource will be updated in place.

✅

Terraform can't determine how to proceed due to a problem with the state file.

❌

The resource will be created.

❌

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Which of the following are features of Amazon CloudWatch

Logs? (Choose two.)

Real-time monitoring

✅

Provided at no charge

❌

Summaries by Amazon Simple Notification Service

(Amazon SNS)

❌

Adjustable retention

✅

Free Amazon Elasticsearch Service analytics

❌

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Your manager has instructed you to start using terraform for the entire infra provisioning of the application stack. There are 4 environments DEV , QA , UAT , and PROD. The application team has asked for complete segregation between these environments including the backend , state , and also configurations ,since there will be unique resources in different environments . What is the possible way to structure the terraform code to facilitate that.

Implement terraform workspaces , and map each environment with one workspace.

❌

Completely separate the working directories , keep one for each environment . For each working directory , maintain a separate configuration file , variables file , and map to the same backend.

❌

Completely separate the working directories , keep one for each environment . For each working directory , maintain a separate configuration file , variables file , and map to a different backend.

✅

Enable remote backend storage . Configure 4 different backend storages , one for each environment.

❌

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You wanted to destroy some of the dependent resources from real infrastructure. You choose to delete those resources from your configuration file and run terraform plan and then apply. Which of the following way your resources would be destroyed?

The resource will be destructed in random order as you have already deleted them from configuration.

❌

Those would be destroyed in the order in which they were written in the configuration file previously before you have deleted them from configuration file.

❌

Terraform can still determine the correct order for destruction from the state even when you delete one or more items from the configuration.

✅

You can not destroy resources by deleting them from configuration file and running plan and apply.

❌

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From the answers below, select the advantages of using Infrastructure as Code.

Safely test modifications using a "dry run" before applying any actual changes.

✅

Easily change and update existing infrastructure.

✅

Provide a codified workflow to develop customer-facing applications.