Do you want to know about Terraform, how will it benefit you and why should you get Terraform Certified?
In this blog we will talk about:
- What is Terraform
- Why Terraform?
- Who HashiCorp Infrastructure Automation Certification is For?
- Exam Details
- Course Outline
- Sample Questions
What Is Terraform ^
Terraform is a tool to build an infrastructure safely and efficiently. Terraform can manage leading and popular service providers as well as custom in-house solutions.
The Configuration file in Terraform describes the components needed to run a single application or your entire datacenter. Terraform then generates an execution plan describing what it will do to reach the desired state, and then executes it to build the described infrastructure. It creates incremental execution plans which can be applied according to the configuration change.
Infrastructure as Code: Infrastructure is described using a high-level configuration syntax, in case of terraform we use HCL or JSON. This allows a design/blueprint of your datacenter to be versioned. Additionally, infrastructure can be changed according to the need and re-used.
Why Terraform? ^
There are a lot of IaC (Infrastructure as Code) tools available in the market like Terraform, Chef, Puppet, Ansible, SaltStack, CloudFormation, and OpenStack Heat. The main problem comes while choosing which one to pick for the automation of your cloud resources. Here are the things you should consider before choosing which tool is the best:
- Configuration management versus provisioning
- Mutable infrastructure versus immutable infrastructure
- Procedural language versus declarative language
- Master versus masterless
- Agent versus agentless
- Large community versus small community
- Mature versus cutting-edge
Terraform is an open-source, cloud-agnostic provisioning tool that supported immutable infrastructure, a declarative language, a masterless and agentless architecture, and had a large community and a mature codebase.
The average salary for a Terraform Associate is $105,144/yr as of some resources. This is above the national average of $44,564. Hence, a Terraform Associate makes 163% more than the national average salary!
Who HashiCorp Infrastructure Automation Certification Is For? ^
The Terraform Associate certification is for Cloud Engineers specializing in operations, IT, or developers who know the basic concepts and skills associated with open source HashiCorp Terraform. Candidates will be best prepared for this exam if they have professional experience using Terraform in production, but performing the exam objectives in a personal demo environment may also be sufficient. This person understands which enterprise features exist and what can and cannot be done using the open-source offering.
- Basic terminal skills
- Basic understanding of on-premises and cloud architecture
Exam Details (HashiCorp Infrastructure Automation Certification) ^
Assessment Type: Multiple choice
Format: Online proctored
Duration: 1 hour
Price: $70.50 USD plus locally applicable taxes and fees
Expiration: 2 years
About The Exam ^
The exam itself is a combination of true/false, multiple-choice, and multi-select questions. It is not a practical exam where you are presented with a command line and a task. The exam is administered with a remote proctor, which means you’ll need a webcam and a clear workspace. It is a pass/fail type exam, so you’ll need to get a certain amount of questions right to pass. Just like any modern exam, you get the results immediately after taking the exam.
Standard Rules As Provided By HashiCorp
- You are alone in the room
- Your work area and desk should be clear
- You are connected to a power source
- No phones or headphones
- No dual monitors
- Do not leave your seat
- No talking
- Webcam, speakers, and microphone must remain on throughout the test
- The proctor must be able to see you for the duration of the test
Course Outline ^
- Understand infrastructure as code (IaC) concepts
- Explain what IaC is
- Describe the advantages of IaC patterns
- Understand Terraform’s purpose (vs other IaC)
- Explain multi-cloud and provider-agnostic benefits
- Explain the benefits of state
- Understand Terraform basics
- Handle Terraform and provider installation and versioning
- Describe plugin-based architecture
- Demonstrate using multiple providers
- Describe how Terraform finds and fetches providers
- Explain when to use and not use provisioners and when to use local-exec or remote-exec
- Use the Terraform CLI (outside of core workflow)
- Given a scenario: choose when to use terraform fmt to format code
- Given a scenario: choose when to use terraform taint to taint Terraform resources
- Given a scenario: choose when to use terraform import to import existing infrastructure into your Terraform state
- Given a scenario: choose when to use terraform workspace to create workspaces
- Given a scenario: choose when to use terraform state to view Terraform state
- Given a scenario: choose when to enable verbose logging and what the outcome/value is
- Interact with Terraform modules
- Contrast module source options
- Interact with module inputs and outputs
- Describe variable scope within modules/child modules
- Discover modules from the public Terraform Module Registry
- Defining module version
- Navigate Terraform workflow
- Describe Terraform workflow ( Write -> Plan -> Create )
- Initialize a Terraform working directory (terraform init)
- Validate a Terraform configuration (terraform validate)
- Generate and review an execution plan for Terraform (terraform plan)
- Execute changes to infrastructure with Terraform (terraform apply)
- Destroy Terraform managed infrastructure (terraform destroy)
- Implement and maintain state
- Describe default local backend
- Outline state locking
- Handle backend authentication methods
- Describe remote state storage mechanisms and supported standard backends
- Describe the effect of Terraform refresh on state
- Describe backend block in configuration and best practices for partial configurations
- Understand secret management in state files
- Read, generate, and modify the configuration
- Demonstrate the use of variables and outputs
- Describe secure secret injection best practice
- Understand the use of the collection and structural types
- Create and differentiate resource and data configuration
- Use resource addressing and resource parameters to connect resources together
- Use Terraform built-in functions to write configuration
- Configure resource using a dynamic block
- Describe built-in dependency management (order of execution based)
- Understand Terraform Cloud and Enterprise capabilities
Register for the exam at HashiCorp’s official website i.e., HashiCorp Product Certification Portal.
Sample Questions ^
You can check the sample questions of Terraform Associate Certification from here.
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