Whizlabs maintains code for their web application in Azure Repos. They are planning to use a full CI/CD service instead of Azure Pipeline service. What tool would you recommend Whizlabs to adopt for this task?

Answer options:

A.Terraform
B.Chef
C.GitHub Actions
D.Octopus
E.JIRA

Correct Answer: C 
GitHub Actions is a full CI/CD service. It helps to automate your software development. You can write individual tasks, called Actions, and put them together in the jobs. Combining tasks and jobs, you can create a workflow. GitHub Actions help you build from end-to-end Continuous Integration and Continuous Deployment for your applications. 
Answer A is incorrect. Terraform is an infrastructure and services management tool. It uses Terraform Script written in Hashicorp Configuration Language (HCL) to define an infrastructure or services in any cloud in a declarative way, similar to ARM templates. Terraform script represents Infrastructure as Code tools. You can incorporate Terraform scrips in Azure Pipeline or GitHub Actions. 
Answer B is incorrect. Chef is a configuration management tool. It helps to manage infrastructure in the cloud, on-premises, or hybrid. It represents Configuration as Code tools. You can incorporate Chef tasks in Azure Pipeline or GitHub Actions. 
Answer D is incorrect. Octopus is Continuous Delivery and Deployment tool. It is complementary to the CI/CD tools, like Jenkins, Azure Pipeline, GitHub Actions. Octopus takes care of deploying release in the different environments and automating the operation tasks for application maintenance. 
Answer E is incorrect. JIRA is a project management and bug tracking tool. 
For more information about GitHub Actions and other tools, please visit the below URLs- 

https://docs.github.com/en/actions/getting-started-with-github-actions/about-github-actions
https://www.terraform.io/
https://www.chef.io/configuration-management/
https://octopus.com/
https://www.atlassian.com/software/jira/features