Oracle
1Z0-054 · Question #70
Which two statements are true about the database buffer cache? (Choose two.)
The correct answer is B. A buffer containing a block that is identical to the block on disk is called free buffer. E. A buffer can contain a different version of a block that is available in a different buffer of the same. See the full explanation below for the reasoning.
Question
Which two statements are true about the database buffer cache? (Choose two.)
Options
- AA buffer can be written to by many processes at the same time.
- BA buffer containing a block that is identical to the block on disk is called free buffer.
- CA buffer containing a block that is being accessed by a process is called dirty buffer.
- DA buffer available to be overwritten with a different database block at any time is called a dirty
- EA buffer can contain a different version of a block that is available in a different buffer of the same
How the community answered
(41 responses)- A15% (6)
- B71% (29)
- C5% (2)
- D10% (4)
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