Page caching ____. A) cannot be used to cache both process pages and file data.
ID: 3559644 • Letter: P
Question
Page caching ____.
A) cannot be used to cache both process pages and file data.
B) uses virtual-memory techniques to cache file data as pages as opposed to system-oriented blocks.
C) is used in Windows NT but not in Windows 2000.
D) uses virtual-memory techniques to cache file data as system-oriented blocks as opposed to pages.
2
Two important design issues for cache memory are ____.
A) size and access privileges
B) size and replacement policy
C) power consumption and reusability
D) speed and volatility
3
Worms ____.
A) can shut down an entire network
B) continue to grow as the Internet expands
C) use the spawn mechanism to ravage system performance
D) All of the above
4
Which of the following statements is true?
A) An unsafe state is necessarily, and by definition, always a deadlocked state.
B) A safe state may lead to a deadlocked state.
C) A safe state is a deadlocked state.
D) An unsafe state may lead to a deadlocked state.
5
Which of the following is most often used by operating systems to handle deadlocks?
A) Pretend that deadlocks never occur
B) Use protocols to prevent or avoid deadlocks
C) Detect and recover from deadlocks
D) None of the above
Explanation / Answer
1 - Page caching ____.
B) uses virtual-memory techniques to cache file data as pages as opposed to system-oriented blocks.
2 - Two important design issues for cache memory are ____.
B) size and replacement policy
3
Worms ____.
D) All of the above
4
Which of the following statements is true?
D) An unsafe state may lead to a deadlocked state.
5
Which of the following is most often used by operating systems to handle deadlocks?
A) Pretend that deadlocks never occur
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