Hashicorp Terraform Associate Cert Questions 2023
LATEST WITH WELL ANNALIZED ANSWERS…
What is Infrastructure as Code? - CORRECT ANSWER --You write and execute the
code to define, deploy, update, and destroy your infrastructure
What are the benefits of IaC? - CORRECT ANSWER --a. Automation -We can bring
up the servers with one script and scale up and down based on our load with the
same script.
b. Reusability of the code - We can reuse the same code
c. Versioning - We can check it into version control and we get versioning. Now we
can see an incremental history of who changed what, how is our infrastructure
actually defined at any given point of time, and we have this transparency of
documentation
IaC makes changes idempotent, consistent, repeatable, and predictable.
How using IaC make it easy to provision infrastructure? - CORRECT ANSWER --IaC
makes it easy to provision and apply infrastructure configurations, saving time. It
standardizes workflows across different infrastructure providers (e.g., VMware, AWS,
Azure, GCP, etc.) by using a common syntax across all of them.
What is Ideompodent in terms of IaC? - CORRECT ANSWER --The idempotent
characteristic provided by IaC tools ensures that, even if the same code is applied
multiple times, the result remains the same.
What are Day 0 and Day 1 activities? - CORRECT ANSWER --IaC can be applied
throughout the lifecycle, both on the initial build, as well as throughout the life of the
infrastructure. Commonly, these are referred to as Day 0 and Day 1 activities.
"Day 0" code provisions and configures your initial infrastructure.
"Day 1" refers to OS and application configurations you apply after you've initially
built your infrastructure.
What are the advantages of Terraform? - CORRECT ANSWER --Platform Agnostic
State Management
Operator Confidence
Where do you describe all the components or your entire datacenter so that
Terraform provision those? - CORRECT ANSWER --Configuration files ends with *.tf
How can Terraform build infrastructure so efficiently? - CORRECT ANSWER --
Terraform builds a graph of all your resources, and parallelizes the creation and
modification of any non-dependent resources. Because of this, Terraform builds
infrastructure as efficiently as possible, and operators get insight into dependencies
in their infrastructure.
, What is multi-cloud deployment? - CORRECT ANSWER --Provisioning your
infrastructure into multiple cloud providers to increase fault-tolerance of your
applications.
How multi-cloud deployment is useful? - CORRECT ANSWER --By using only a
single region or cloud provider, fault tolerance is limited by the availability of that
provider.
Having a multi-cloud deployment allows for more graceful recovery of the loss of a
region or entire provider.
What is cloud-agnostic in terms of provisioning tools? - CORRECT ANSWER --
cloud-agnostic and allows a single configuration to be used to manage multiple
providers, and to even handle cross-cloud dependencies.
What is the use of terraform being cloud-agnostic? - CORRECT ANSWER --It
simplifies management and orchestration, helping operators build large-scale multi-
cloud infrastructures.
What is the Terraform State? - CORRECT ANSWER --Every time you run Terraform,
it records information about what infrastructure it created in a Terraform state file.
By default, when you run Terraform in the folder /some/folder, Terraform creates the
file /some/folder/terraform.tfstate.
This file contains a custom JSON format that records a mapping from the Terraform
resources in your configuration files to the representation of those resources in the
real world.
What is the purpose of the Terraform State? - CORRECT ANSWER --Mapping to the
Real World - Terraform requires some sort of database to map Terraform config to
the real world because you can't find the same functionality in every cloud provider.
You need to have some kind of mechanism to be cloud-agnostic
Metadata - Terraform must also track metadata such as resource dependencies,
pointer to the provider configuration that was most recently used with the resource in
situations where multiple aliased providers are present.
Performance - When running a terraform plan, Terraform must know the current
state of resources in order to effectively determine the changes that it needs to make
to reach your desired configuration.
For larger infrastructures, querying every resource is too slow. Many cloud providers
do not provide APIs to query multiple resources at once, and the round trip time for
each resource is hundreds of milliseconds. So, Terraform stores a cache of the
attribute values for all resources in the state. This is the most optional feature of
Terraform state and is done only as a performance improvement.
LATEST WITH WELL ANNALIZED ANSWERS…
What is Infrastructure as Code? - CORRECT ANSWER --You write and execute the
code to define, deploy, update, and destroy your infrastructure
What are the benefits of IaC? - CORRECT ANSWER --a. Automation -We can bring
up the servers with one script and scale up and down based on our load with the
same script.
b. Reusability of the code - We can reuse the same code
c. Versioning - We can check it into version control and we get versioning. Now we
can see an incremental history of who changed what, how is our infrastructure
actually defined at any given point of time, and we have this transparency of
documentation
IaC makes changes idempotent, consistent, repeatable, and predictable.
How using IaC make it easy to provision infrastructure? - CORRECT ANSWER --IaC
makes it easy to provision and apply infrastructure configurations, saving time. It
standardizes workflows across different infrastructure providers (e.g., VMware, AWS,
Azure, GCP, etc.) by using a common syntax across all of them.
What is Ideompodent in terms of IaC? - CORRECT ANSWER --The idempotent
characteristic provided by IaC tools ensures that, even if the same code is applied
multiple times, the result remains the same.
What are Day 0 and Day 1 activities? - CORRECT ANSWER --IaC can be applied
throughout the lifecycle, both on the initial build, as well as throughout the life of the
infrastructure. Commonly, these are referred to as Day 0 and Day 1 activities.
"Day 0" code provisions and configures your initial infrastructure.
"Day 1" refers to OS and application configurations you apply after you've initially
built your infrastructure.
What are the advantages of Terraform? - CORRECT ANSWER --Platform Agnostic
State Management
Operator Confidence
Where do you describe all the components or your entire datacenter so that
Terraform provision those? - CORRECT ANSWER --Configuration files ends with *.tf
How can Terraform build infrastructure so efficiently? - CORRECT ANSWER --
Terraform builds a graph of all your resources, and parallelizes the creation and
modification of any non-dependent resources. Because of this, Terraform builds
infrastructure as efficiently as possible, and operators get insight into dependencies
in their infrastructure.
, What is multi-cloud deployment? - CORRECT ANSWER --Provisioning your
infrastructure into multiple cloud providers to increase fault-tolerance of your
applications.
How multi-cloud deployment is useful? - CORRECT ANSWER --By using only a
single region or cloud provider, fault tolerance is limited by the availability of that
provider.
Having a multi-cloud deployment allows for more graceful recovery of the loss of a
region or entire provider.
What is cloud-agnostic in terms of provisioning tools? - CORRECT ANSWER --
cloud-agnostic and allows a single configuration to be used to manage multiple
providers, and to even handle cross-cloud dependencies.
What is the use of terraform being cloud-agnostic? - CORRECT ANSWER --It
simplifies management and orchestration, helping operators build large-scale multi-
cloud infrastructures.
What is the Terraform State? - CORRECT ANSWER --Every time you run Terraform,
it records information about what infrastructure it created in a Terraform state file.
By default, when you run Terraform in the folder /some/folder, Terraform creates the
file /some/folder/terraform.tfstate.
This file contains a custom JSON format that records a mapping from the Terraform
resources in your configuration files to the representation of those resources in the
real world.
What is the purpose of the Terraform State? - CORRECT ANSWER --Mapping to the
Real World - Terraform requires some sort of database to map Terraform config to
the real world because you can't find the same functionality in every cloud provider.
You need to have some kind of mechanism to be cloud-agnostic
Metadata - Terraform must also track metadata such as resource dependencies,
pointer to the provider configuration that was most recently used with the resource in
situations where multiple aliased providers are present.
Performance - When running a terraform plan, Terraform must know the current
state of resources in order to effectively determine the changes that it needs to make
to reach your desired configuration.
For larger infrastructures, querying every resource is too slow. Many cloud providers
do not provide APIs to query multiple resources at once, and the round trip time for
each resource is hundreds of milliseconds. So, Terraform stores a cache of the
attribute values for all resources in the state. This is the most optional feature of
Terraform state and is done only as a performance improvement.
