Practice Test

Git-based version control tools track and store all changes made to a project over time.

  • True
  • False

Answer: True

Explanation: Git is a version control system that allows you to track the changes in your code over time. This means that you can view the history of your project and revert to previous versions if necessary.

AWS CodeCommit is a secure, scalable, and highly reliable Git-based version control service.

  • True
  • False

Answer: True

Explanation: AWS CodeCommit is a fully-managed source control service that hosts Git repositories and has fully-managed, secure, and scalable features.

Git can only be used for programming language based projects.

  • True
  • False

Answer: False

Explanation: Git can be used for any type of files, not just programming languages. It is commonly used for text, images, documents, and other types of files.

In AWS CodeCommit, which features can be set to control who can collaborate on your code?

  • Restrict pushes
  • Required review from specific users
  • Enforce a merge strategy
  • All of the above

Answer: All of the above

Explanation: AWS CodeCommit provides various features to control who can collaborate on your code including: restricting pushes, requiring review from specific users, and enforcing a merge strategy.

Git can only track changes to files, but not directories or folders.

  • True
  • False

Answer: False

Explanation: Git can track changes to individual files as well as entire directories. It records changes in the file system including addition and deletion of files or directories.

AWS CodeCommit automatically encrypts files and repositories at rest.

  • True
  • False

Answer: True

Explanation: AWS CodeCommit automatically encrypts your files and repositories at rest using AWS Key Management Service keys, providing additional layer of security.

Git allows multiple developers to work on the same project simultaneously without any conflicts.

  • True
  • False

Answer: False

Explanation: While Git allows multiple developers to work simultaneously, conflicts may arise when developers try to merge changes that affect the same parts of the code.

AWS CodeCommit only supports Git for its version control system.

  • True
  • False

Answer: True

Explanation: AWS CodeCommit is based on Git and does not support other version control systems.

AWS CodeCommit supports pull requests to improve code quality.

  • True
  • False

Answer: True

Explanation: AWS CodeCommit supports pull requests, which help to improve code quality by proposing, discussing and reviewing code changes in your repositories.

Git can keep track of who made what changes and when.

  • True
  • False

Answer: True

Explanation: Git includes authorship tracking features that allow it to record who made each change and when that change was made.

With AWS CodeCommit, you can only store your repositories within the AWS ecosystem.

  • True
  • False

Answer: True

Explanation: AWS CodeCommit is a fully integrated part of AWS and uses the AWS infrastructure to store repositories. Therefore, it does not support storing repositories outside of AWS.

In Git, you cannot revert to a previous commit or version of your project.

  • True
  • False

Answer: False

Explanation: Git allows reverting to a previous version of your project using the ‘checkout’ command along with the commit hash.

AWS CodeCommit repositories can be cloned to your local machine for offline development.

  • True
  • False

Answer: True

Explanation: AWS CodeCommit repositories can be cloned to a user’s local machine, which allows offline work and later synchronization of changes with the central repository.

Git does not support branching mechanism.

  • True
  • False

Answer: False

Explanation: Git supports branching, allowing multiple isolated working copies to enable simultaneous development on multiple features or versions.

AWS CodeCommit has no limit on the size of repositories it can handle.

  • True
  • False

Answer: True

Explanation: AWS CodeCommit does not impose any size restriction, allowing you to store large repositories without having to worry about capacity.

Interview Questions

Identify one of the mains reasons for using AWS CodeCommit as a Git-based version control system?

AWS CodeCommit offers highly scalable and secure version control system which makes it ideal to handle large repositories and to manage access control, allowing you to collaborate with different teams on a project.

In AWS CodeCommit, what is the importance of a commit?

A commit represents a set of file changes in a repository. It shows what changes have been made, who made the changes, and a message explaining the modifications.

What type of security does AWS CodeCommit provide for your version control system?

AWS CodeCommit uses AWS-managed keys through AWS KMS for encryption at rest. It also uses HTTPS or SSH for secure transmission of files over the network.

Which AWS service would you use to automate, scale, and quicken the release process?

AWS CodePipeline will be the service used to automate the release process, making it easier, faster, and more reliable.

What does ‘forking a repository’ in AWS CodeCommit entail?

Forking a repository in AWS CodeCommit creates a personal copy of another repository, allowing one to propose changes to the original repository or to use the original repository’s content as a starting point for their own work.

How can AWS CodeCommit help in facilitating code reviews?

AWS CodeCommit offers a feature to create pull requests. Pull requests allow you to propose changes to other developers in your team and have a platform to discuss those changes before they’re merged into the main branch.

What are some of the differences between Git and AWS CodeCommit?

Git is an open-source distributed version control system, while AWS CodeCommit is a secure, scalable, managed source control service that hosts Git repositories. Git can be used independently of any cloud service whereas CodeCommit is provided and integrated within the AWS ecosystem.

What Amazon service can be used with AWS CodeCommit to compile source code, run tests, and produce software packages?

Amazon CodeBuild can be used with AWS CodeCommit to compile source code, run tests and produce software packages.

What are the basic commands you can use when working with AWS CodeCommit from the terminal?

The basic commands you can use include: git clone, git commit, git branch, git merge, and git pull.

How does AWS CodeCommit help with achieving high availability and redundancy?

AWS CodeCommit automatically encrypts all files and metadata in transit and at rest and stores them across multiple, redundant AWS facilities, which increases availability and redundancy.

How is pricing determined in AWS CodeCommit?

Pricing in AWS CodeCommit is based on the number of active users per month, storage and data transfer out.

What is meant by ‘branching’ in AWS CodeCommit?

Branching in AWS CodeCommit is the process of creating a separate instance of a repository where changes can be made without affecting the main repository. This is particularly useful when working on new features or bug fixes.

What AWS tool is typically used to deploy applications stored in AWS CodeCommit?

AWS CodeDeploy is the service that is typically used to deploy applications stored in AWS CodeCommit.

How are permissions set in AWS CodeCommit?

Permissions in AWS CodeCommit are set through AWS Identity and Access Management (IAM) policies.

Can AWS CodeCommit be integrated with other AWS Developer tools?

Yes, AWS CodeCommit can be integrated with a range of other AWS developer tools, such as AWS CodeBuild for build and test, AWS CodePipeline for continuous integration and continuous delivery, and AWS CodeDeploy for application deployment.

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