05B - Volume Management
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Questions and Answers

What is the purpose of volumes in Docker?

  • To persist data generated and used by containers (correct)
  • To decrease the security risks in Docker
  • To help containers communicate with each other
  • To increase the network speed of containers

    • Which type of volume is managed by Docker and stored in a predefined area of the host filesystem?

  • Named Volumes (correct)
  • Shared Volumes
  • Bind Volumes
  • tmpfs Volumes

    • When would you use a Named Volume instead of a Bind Mount?

  • When you need persistent data but don’t need to worry about its storage location (correct)
  • When you need to share data between the host and container
  • When you need to store data outside of the Docker-managed area
  • When you need to map a host file or directory directly to a container

    • What is the purpose of tmpfs Volumes in Docker?

    <p>To store temporary files for fast access</p> Signup and view all the answers

    Which flag can be used to specify volumes when starting a container?

    <p>-v</p> Signup and view all the answers

    Why are Bind Mounts suitable for certain cases?

    <p>To share data between the host and container</p> Signup and view all the answers

    What is the main characteristic of tmpfs mounts in Docker?

    <p>Data is stored in the host system's memory only</p> Signup and view all the answers

    When should you use tmpfs mounts in Docker?

    <p>For sensitive information that you don’t want to persist in a writable layer</p> Signup and view all the answers

    What is the purpose of storing database files in a volume in Docker?

    <p>To ensure data persists across container restarts and updates</p> Signup and view all the answers

    Why would you keep logs and backups in a volume in Docker?

    <p>For later analysis and recovery purposes</p> Signup and view all the answers

    In Docker, what is the benefit of using bind mounts for sharing configurations and source code?

    <p>To share configuration files or source code between the host and the container</p> Signup and view all the answers

    What type of data is suitable for tmpfs mounts in Docker?

    <p>Sensitive information that should not be stored permanently</p> Signup and view all the answers

    Which type of volumes is suited for microservices architectures and CI/CD workflows?

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

    In terms of startup time, which type of volumes has a shorter startup time?

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

    Which type of volumes provide moderate isolation at a process level?

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

    Which type of volumes is more scalable according to the text?

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

    In resource-constrained environments, which type of volumes is considered more efficient?

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

    What is a key difference between VMs and Containers in terms of architecture?

    <p>VMs share the host OS kernel, while Containers have a full OS per instance.</p> Signup and view all the answers

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