（53）You set the following parameters in the parameter file and restarted the database:

MEMORY_MAX_TARGET=0

MEMORY_TARGET=500M

PGA_AGGREGATE_TARGET=90M

SGA_TARGET=270M

Which two statements are true about these parameters after the database instance is restarted? (Choose two.)

A.The MEMORY_MAX_TARGET parameter is automatically set to 500 MB.

B.The PGA_AGGREGATE_TARGET and SGA_TARGET parameters are automatically set to zero.

C.The value of the MEMORY_MAX_TARGET parameter remains zero until it is changed manually.

D.The lower bounds of PGA_AGGREGATE_TARGET and SGA_TARGET parameters are set to 90 MB and 270 MB, respectively.

答案：（A、D）

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Oracle 11G OCP 1Z0-052 53