Agile vs Waterfall Methodologies & Git Basics
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Questions and Answers

What is the primary focus of the Agile method compared to traditional development approaches?

  • Detailed documentation requirements
  • Sequential execution of tasks
  • Pre-defined project timelines
  • Flexibility and customer feedback (correct)

    • Which of the following steps is NOT part of the Agile methodology?

  • Review
  • Testing
  • Launch and Scale (correct)
  • Deploy

    • In the Agile model, which step directly follows the Coding phase?

  • Deploy
  • Plan
  • Testing (correct)
  • Review

    • What are sprints in the context of Agile methodology?

    <p>Small actionable blocks of work</p> Signup and view all the answers

    How does the Waterfall method differ from the Agile approach?

    <p>Waterfall follows a linear and sequential process</p> Signup and view all the answers

    What happens during the Review phase in the Agile methodology?

    <p>Client feedback is incorporated</p> Signup and view all the answers

    Which of the following best describes the purpose of prototyping in Agile?

    <p>To understand client requirements through feedback</p> Signup and view all the answers

    What is the main outcome of the Deploy phase in Agile?

    <p>Release of the product to the client</p> Signup and view all the answers

    What does the git status command display?

    <p>The states of files in the working directory and staging area</p> Signup and view all the answers

    Why is it important to configure your username and email when installing Git?

    <p>They are used to identify the author of each commit</p> Signup and view all the answers

    What command would you use to change your Git username for a specific project?

    <p>$git config --local user.name 'John Doe'</p> Signup and view all the answers

    What happens when you execute the git commit command?

    <p>It records a permanent snapshot of staged files in the database</p> Signup and view all the answers

    What is the function of starring a repository on GitHub?

    <p>To bookmark or show interest in a repository</p> Signup and view all the answers

    What does forking a repository allow you to do?

    <p>Make changes independently of the original repository</p> Signup and view all the answers

    Which of the following is an advantage of containerized applications?

    <p>They can be easily deployed across various platforms</p> Signup and view all the answers

    What is a key characteristic that distinguishes a virtual machine from a container?

    <p>Virtual machines simulate an entire computer system</p> Signup and view all the answers

    Who created the Hudson project?

    <p>Kohsuke Kawaguchi</p> Signup and view all the answers

    What is a multibranch pipeline primarily used for?

    <p>Managing multiple branches and pull requests</p> Signup and view all the answers

    What does continuous integration aim to identify?

    <p>Issues with current application sources</p> Signup and view all the answers

    What event can serve as a build trigger in Jenkins?

    <p>Code pull requests</p> Signup and view all the answers

    What is an artifact in the context of a Jenkins job?

    <p>A file or set of files produced as a result of a job</p> Signup and view all the answers

    Which of the following best describes Source Code Management (SCM)?

    <p>An integration of Jenkins with version control systems</p> Signup and view all the answers

    What is the role of plugins in Jenkins?

    <p>To add functionality to Jenkins</p> Signup and view all the answers

    What does continuous integration typically include?

    <p>The use of unique functionality in the repository</p> Signup and view all the answers

    What is a primary advantage of using containers over virtual machines?

    <p>Containers allow applications to be deployed more rapidly.</p> Signup and view all the answers

    Which of the following statements about virtual machines is true?

    <p>Virtual machines can emulate multiple hardware devices.</p> Signup and view all the answers

    How do containers specifically enhance application development?

    <p>They support agile and DevOps methodologies.</p> Signup and view all the answers

    What characteristic differentiates containers from virtual machines?

    <p>Containers operate at the application level of the computing stack.</p> Signup and view all the answers

    What benefit do organizations achieve by using virtual machines to optimize hardware costs?

    <p>They reduce the need for new physical servers.</p> Signup and view all the answers

    Why do virtual machines streamline disaster recovery?

    <p>They can replicate servers in the cloud.</p> Signup and view all the answers

    Which statement about resource requirements of containers is accurate?

    <p>Containers do not require operating system images.</p> Signup and view all the answers

    What is true regarding the relationship between containers and virtual machines?

    <p>Containers serve different purposes and have distinct characteristics.</p> Signup and view all the answers

    What state represents a Docker container after it has been created but before it has been started?

    <p>Created</p> Signup and view all the answers

    Which of the following describes the running state of a Docker container?

    <p>The container is actively executing its processes.</p> Signup and view all the answers

    What happens to a container when its main process completes?

    <p>It enters the exited state.</p> Signup and view all the answers

    In which state is a Docker container if it has failed to start?

    <p>Dead</p> Signup and view all the answers

    What is the main advantage of containers over virtual machines?

    <p>Containers have a smaller footprint and start faster.</p> Signup and view all the answers

    Which mode allows Docker containers to run in the background?

    <p>Detached mode</p> Signup and view all the answers

    What does it indicate if a Docker container is in the paused state?

    <p>The container is temporarily stopped but not terminated.</p> Signup and view all the answers

    Why are containers considered more portable than virtual machines?

    <p>Containers can be easily recreated and moved.</p> Signup and view all the answers

    Study Notes

    Agile Method Process

    • Agile is a software development and project management methodology emphasizing flexibility, collaboration, customer feedback, and iterative progress.
    • Agile utilizes prototypes to understand client requirements.
    • Agile incorporates client feedback to make changes to the software.
    • Agile development uses "sprints" for building software, which are small, actionable blocks of work.

    Waterfall Method

    • Waterfall development is a traditional software development approach.
    • It follows a sequential and linear process.
    • Development happens in a step-by-step manner.

    Configuring Git

    • Git is a version control system.
    • The git config --global user.name "John Doe" command sets your username for Git.
    • The git config --global user.email [email protected] command sets your email address for Git.
    • The git status command shows the states of files in your working directory and staging area.
    • The git commit command takes all staged files and records a new snapshot in the Git database.

    Star and Fork

    • Starring a repository on GitHub marks it as valuable or interesting.
    • Forking a repository on GitHub creates a copy of the repository under your GitHub account.

    VM vs. Container

    • Virtual Machines are heavy software packages providing complete hardware emulation.
    • Containers are lightweight and require less system resources than VMs.
    • Containers are portable, efficient, and enhance application development.
    • Virtual machines are better for data security and disaster recovery.

    Jenkins

    • Jenkins is an automation server.
    • Jenkins is used to automate various tasks in the software development lifecycle, from build and testing to deployment and monitoring.
    • Jenkins supports various types of projects, including Freestyle Projects and Multibranch Pipelines.
    • Freestyle Projects are flexible and suitable for basic tasks.
    • Multibranch Pipelines are automatically created and run for each branch in a version control repository.
    • Artifacts are files produced as a result of a Jenkins job, such as compiled code or deployment packages
    • SCM integration allows Jenkins to automatically trigger jobs based on changes in the source code repository.
    • Build triggers are events or conditions that cause a Jenkins job to run.
    • Plugins extend Jenkins's functionality.

    Docker

    • Docker is a containerization platform.
    • Docker containers are lightweight and portable, containing all necessary components to run an application, including libraries, dependencies, and an operating system (unlike virtual machines).
    • Docker containers can be in various states, including:
      • Created
      • Running
      • Paused
      • Exited
      • Dead
    • Docker containers can be run in detached mode for background operation or foreground mode for interactive use.

    Enterprise Developer Build Tools

    • Enterprise Developer Build Tools for Windows is a component of Enterprise Developer used for compiling, building, and testing COBOL code.
    • It provides all of Enterprise Developer's features without needing an IDE.

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    Description

    This quiz explores key concepts in Agile and Waterfall software development methodologies, highlighting their differences and applications. Additionally, it covers essential Git commands for version control, providing a foundational understanding for developers. Test your knowledge on these important topics in software development.

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