18 Questions
What is the purpose of volumes in Docker?
To persist data generated and used by containers
Which type of volume is managed by Docker and stored in a predefined area of the host filesystem?
Named 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
What is the purpose of tmpfs Volumes in Docker?
To store temporary files for fast access
Which flag can be used to specify volumes when starting a container?
-v
Why are Bind Mounts suitable for certain cases?
To share data between the host and container
What is the main characteristic of tmpfs mounts in Docker?
Data is stored in the host system's memory only
When should you use tmpfs mounts in Docker?
For sensitive information that you don’t want to persist in a writable layer
What is the purpose of storing database files in a volume in Docker?
To ensure data persists across container restarts and updates
Why would you keep logs and backups in a volume in Docker?
For later analysis and recovery purposes
In Docker, what is the benefit of using bind mounts for sharing configurations and source code?
To share configuration files or source code between the host and the container
What type of data is suitable for tmpfs mounts in Docker?
Sensitive information that should not be stored permanently
Which type of volumes is suited for microservices architectures and CI/CD workflows?
Containers
In terms of startup time, which type of volumes has a shorter startup time?
Containers
Which type of volumes provide moderate isolation at a process level?
Containers
Which type of volumes is more scalable according to the text?
Containers
In resource-constrained environments, which type of volumes is considered more efficient?
Containers
What is a key difference between VMs and Containers in terms of architecture?
VMs share the host OS kernel, while Containers have a full OS per instance.
Learn about tmpfs mounts in Docker, which are stored in the host system's memory only and never written to the host's filesystem. Explore how tmpfs mounts can be used for sensitive information that should not persist in a writable layer or on the host filesystem.
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