SSCP · Question #301
Which of the following is not appropriate in addressing object reuse?
The correct answer is B. Deleting files on disk before reusing the space.. Object reuse requirements, applying to systems rated TCSEC C2 and above, are used to protect files, memory, and other objects in a trusted system from being accidentally accessed by users who are not authorized to access them. Deleting files on disk merely erases file headers in
Question
Which of the following is not appropriate in addressing object reuse?
Options
- ADegaussing magnetic tapes when they're no longer needed.
- BDeleting files on disk before reusing the space.
- CClearing memory blocks before they are allocated to a program or data.
- DClearing buffered pages, documents, or screens from the local memory of a terminal or printer.
How the community answered
(27 responses)- A4% (1)
- B89% (24)
- C4% (1)
- D4% (1)
Explanation
Object reuse requirements, applying to systems rated TCSEC C2 and above, are used to protect files, memory, and other objects in a trusted system from being accidentally accessed by users who are not authorized to access them. Deleting files on disk merely erases file headers in a directory structure. It does not clear data from the disk surface, thus making files still recoverable. All other options involve clearing used space, preventing any unauthorized access.
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