To implement Automatic Management (AMM), you set the following parameters: 

When you try to start the database instance with these parameter settings, you receive the following error message: SQL > startup - ORA-00824: cannot set SGA_TARGET or MEMORY_TARGET due to existing internal settings, see alert log for more information. Identify the reason the instance failed to start. 

Answer options:

A. The PGA_AGGREGATE_TARGET parameter is set to zero.
B. The STATISTICS_LEVEL parameter is set to BASIC.C. Both the SGA_TARGET and MEMORY_TARGET parameters are set.
D. The SGA_MAX_SIZE and SGA_TARGET parameter values are not equal.

B

Example: SQL> startup force - ORA-00824: cannot set SGA_TARGET or MEMORY_TARGET due to existing internal settings ORA-00848: STATISTICS_LEVEL cannot be set to BASIC with SGA_TARGET or MEMORY_TARGET