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A.It can contain parameters with distinct values for each distance.
B.It can contain only parameters with identical values for each instance.
C.It must contain an IFILE parameter for each instance’s individual parameter file.
D.It must be located in the default location for the primary instance’s parameter file.

A.Data blocks have to be written more frequently by DBWR. 
B.Redo blocks have to be written more frequently by LGWR. 
C.You need to substantially increase the size of your database buffer cache to hold the additional checkpoint records. 
D.You need to substantially increase the size of your redo buffer cache to hold the additional checkpoint records.