Quiz 1Z0-054

Quiz 1Z0-054, Oracle Database 11g: Performance Tuning

What do these wait events indicate?

Which step would be appropriate to improve the performance?

Which factor could be a reason for this recommendation?

What indicates that the rate of writing data blocks to the disk is very slow?

Which two symptoms related to the database buffer cache together indicate that there are many full table scans happening?

Which could cause waits on the db file sequential read event?

What can you conclude based on this ratio?

Which understanding of this ratio is correct?

Which two statements are true about the database buffer cache?

which case is the database buffer cache NOT used?