Distribute an infrequently updated installation image physically to several devices with optical drives.
Removability and storage matter more than rewrite performance.
Which medium is a representative choice?
Optical media such as CD, DVD, or Blu-ray can be removed, stored, and used to distribute installation images. Capacity and rewrite support depend on the format.
Detailed explanation
Incorrect. A RAM disk is volatile and cannot serve as a physical distribution medium.
Incorrect. A RAM disk is volatile and cannot serve as a physical distribution medium.
Correct. Optical discs are removable media for image distribution and storage.
Correct. Optical discs are removable media for image distribution and storage.
Incorrect. An internal HDD is not the representative removable read-only distribution medium.
Incorrect. An internal HDD is not the representative removable read-only distribution medium.
Incorrect. An internal SSD is fast local storage, not the assumed removable medium.
Incorrect. An internal SSD is fast local storage, not the assumed removable medium.
Try it yourself
An example you can run in a temporary verification environment.
printf '%s
' 'CD/DVD/BD: removable optical media'Expected result
光学メディアが取り外し可能な配布媒体であることを確認Key points
- Optical storage is removable
- Suitable for distribution and storage
- Formats differ in capacity and rewrite support
Notes
- Environment: ストレージ媒体の概念確認
- Command output formatting can vary slightly by distribution or tool version.
- Run the example in a temporary directory or process when possible.
Foundation review
Read the scope first
Check whether the command acts on the current shell, a new process, an existing process, or a file.
Verify the observable result
Use the supplied command and compare the output with the expected result.