Oracle
1Z0-064 · Question #20
1Z0-064 Question #20: Real Exam Question with Answer & Explanation
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Question
Which two statements are true about the interpretation of Buffer Cache Hit Ratio in the Instance Efficiency Percentages section of an AWR report? (Choose two.)
Options
- AA high value indicates that the buffer cache is adequately sized for the current workload.
- BPoor hit ratios indicate that a large number of indexed lookups or small table scans are being
- CA low hit ratio does not necessarily imply that increasing the size of the buffer cache will improve
- DA high hit ratio may indicate that repeated scanning of the same large table or index is being
- EA low hit ratio indicates that a KEEP buffer pool should be configured based on the size of the
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