Exam 200-201 topic 1 question 113 discussion

CDfs is a virtual file system for Unix-like operating systems; it provides access to data and audio tracks on Compact Discs. When the CDfs driver mounts a Compact Disc, it represents each track as a file. This is consistent with the Unix convention "everything is a file". Source: https://en.wikipedia.org/wiki/CDfs

The answer is B

CDfs (Compact Disc File System) - is a virtual file system for Unix-like operating systems;

Here's the breakdown: - ISO file - This refers to an image file format that represents the contents of an entire disc, such as a CD or DVD. ISO files are commonly used to back up disc contents or distribute software/data on discs. - CDFS format - CDFS stands for CD File System. It's a file system used to organize files and metadata on CD and DVD discs. - So in this case, we have an ISO file, which contains a full disc image, and that disc image uses the CDFS format internally. The CDFS format is used by Windows natively to organize CD/DVD discs. ISO files are a common format used across Windows, Mac and Linux to back up and distribute disc contents. Therefore, the ISO file being in CDFS format implies it is an image of a CD that was originally copied or created on a Windows system, using the native CDFS file system. The answer is D - data from a CD copied using Windows.

The answer is B.. linux

The answer is D. CDFS is a file system for CD-ROMs that was developed by Microsoft. It is the most common file system for CD-ROMs, and it is used by both Windows and Linux systems. However, Mac systems do not use CDFS. Therefore, the ISO file must have been created by a Windows system. Operating System File System Windows CDFS Linux ISO 9660 Mac HFS+

The correct answer is D. data from a CD copied using Windows. An ISO file stored in CDFS (Compact Disc File System) format typically contains data that was originally from a CD. CDFS is a file system commonly used for CDs, and it is compatible with Windows operating systems.

NIST Publication 800-86 defines all file systems for linux, and under the file system category falls CDFS (not CDfs). defined as "Compact Disk File System (CDFS). As the name indicates, the CDFS filesystem is used for CDs" If we investiage CDFS futher, it was first introduced between 1985 and 1986 on Linux and it exports all tracks and boot images on a CD as normal files. CDFS is a write-once-read-only file system (ISO 9660). The Question is asking where the ISO came from. not what operating system is examing the copy, which could be windows. In my opinion, the ISO data came from a UNIX based system stored on a CD in the CDFS format

CDFS is winders

CDFS is a file system used by Windows operating systems for CD-ROMs and DVDs. It provides a hierarchical file system structure and is used for reading discs that conform to the ISO 9660 standard. CDfs, on the other hand, is a file system used by Unix-like operating systems for mounting CD-ROMs and DVDs. It allows the disc to be treated like any other file system, and files can be accessed by their names and paths.

Windows based

B is correct CDfs is a virtual file system for Linux operating systems

CDFS is not specific to a single Operating System, it means that a disc burned on Macintosh using CDFS can be read on a Windows or Linux based computer. So, whats the answer??

I thought CDFs was unix-based? Doesn't that mean that it's a cd from a mac system?