Terraform Resources and Data Sources Quiz

1. What is the aws_availability_zones data source used for?

Create new availability zones

Query available zones in your AWS region

Monitor zone performance

Delete unused zones

2. In Terraform, what is the relationship between resources, data sources, and the state file?

Only resources are tracked; data sources and state are separate

Resources and data source values are stored in state; data sources provide read-only lookups

State file contains only data sources

Resources and data sources are never stored in state

3. Which data source would you use to look up an existing security group by name?

Aws_security_group_rule

Aws_security_group

Aws_vpc_security_group

Aws_ec2_security_group

4. What is a resource dependency in Terraform?

A relationship where one resource must be created before another

A cost associated with each resource

A provider requirement

A backup configuration

5. In Terraform, can you use interpolation syntax to reference resource and data source attributes?

No, interpolation is not supported

Yes, using the ${} syntax or direct references

Only for data sources, not resources

Only in variable definitions

6. The aws_vpc data source is typically used to retrieve which information?

Create a new VPC

Details of an existing VPC, such as its ID and CIDR block

Delete a VPC

Modify VPC tags

7. How can you use a data source output in a resource argument?

Data.provider_type.name.attribute

Resource.provider_type.name.attribute

Output.provider_type.name.attribute

Var.provider_type.name.attribute

8. What is required to use a specific data source in Terraform?

The appropriate provider must be configured

A resource of the same type must exist first

Manual approval before each query

A data source registry subscription

9. Which block defines the actual infrastructure that Terraform will create and manage?

Data block

Resource block

Output block

Locals block

10. When you destroy Terraform-managed resources, what happens to data source queries?

Data sources are also destroyed

Data sources remain unaffected; they only read data

Data sources are archived

Data sources require manual cleanup

11. What is the primary difference between a Terraform resource and a data source?

Resources create infrastructure; data sources only read existing infrastructure

Data sources are always free; resources always cost money

Resources are imported; data sources are defined in code

Data sources only work with AWS; resources work with all providers

12. In Terraform state, are data source values stored?

No, data sources are never stored in state

Yes, data source values are stored in state for reference

Only if explicitly configured

Only for local backends

13. What happens when you apply a Terraform configuration with only data sources and no resources?

Terraform creates placeholder infrastructure

Terraform queries the data sources but creates no infrastructure

Terraform returns an error

Terraform enters interactive mode

14. Which of the following is a valid use case for data sources?

Retrieve the latest Ubuntu AMI ID for your region

Create a new VPC in your account

Define security group rules

Set provider credentials

15. In Terraform, what is a 'computed' attribute in a resource?

An attribute you must set when creating a resource

An attribute calculated by the provider after resource creation

An attribute that costs extra money

An attribute only available in data sources

16. What is the purpose of the aws_ami data source in Terraform?

Create a new AMI from an instance

Query existing AMIs to retrieve their IDs and properties

Delete unused AMIs automatically

Monitor AMI usage across accounts

17. How do you reference a data source in Terraform configuration?

Resource.data_type.name

Data.data_type.name

Source.data_type.name

Fetch.data_type.name

18. Which syntax is correct for referencing a resource in Terraform?

Resource.aws_instance.example

Aws_instance.example.resource

Aws_instance.example

@aws_instance.example

19. What does the data source block allow you to do in Terraform?

Create new infrastructure objects

Query and reference existing infrastructure or external systems

Define input variables for your configuration

Configure backend storage for state

20. In Terraform, which block type is used to define a managed resource?

Data

Resource

Provider

Variable

Terraform Associate Resource and Data Sources Quiz