Which of the following statements about layered operating systems is true?
a) Layered operating systems group components that perform similar functions into layers.
b) Layered operating systems are easier to modify than monolithic operating systems.
c) User processes’ requests may need to interact with multiple layers, resulting in slower performance than in a monolithic system.
d) all of the above.
d) all of the above.
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When a file is __________, the file system reads the directory, finds the file’s directory entry, extracts the file’s start address, and (sometimes) reads all or part of the file.
a. opened b. closed c. accessed d. created
____ is a very popular cross-platform format from Apple used for both Web and DVD video.
A. QuickTime B. RealMedia C. Windows Media D. MP3
Using multiple overlapping layers to secure data and resources is known as which of the following?
A. Principle of least privilege B. Separation of duties C. Defense in depth D. Security triad
What should an effective ISSP accomplish?
What will be an ideal response?