최신 1Z0-084 무료덤프 - Oracle Database 19c Performance and Tuning Management

A. Decreasing the value set for RESULT_CACHE_REMOTE_EXPIRATION.

B. A request was made by the RCBG background process in a physical standby database that is opened read only and whose primary has a result cache.

C. result_cache_max_size is set dynamically to 0.

D. One or more results were aged out of the result cache.

E. A request was made by the RCBG background of a non-RAC database.

A. SQL Optimization

B. SQL Row Source Generation

C. Shared Pool Memory Allocation

D. Syntax Check

E. Semantic Check

A. Export the data by using the expdp utility and parameter file spuexp.par from the Statspack repository and import it by using impdp into Export the data by using expdp from the Statspack repository and import it by using impdp into the AWR repository.

B. Export the data by using the exp utility and parameter file spuexp.par from the Statspack repository and import it by using imp into a dedicated Statspack schema on the destination.

C. Export the data by using expdp from the ftatspack repository and import it by using impdp into the AWR repository.

D. Export the data by using expdp from Statspack and import it by using $ORACLE_HOME/rdbms/admin
/awrload into the AWR repository.

A. All SGA components retain their current sizes at the time of disabling.

B. All auto-tuned SGA components are reset to their original user-defined values.

C. The SGA size remains unaffected after disabling ASMM.

D. It requires a database instance restart to take effect.

E. All SGA components excluding fixed SGA and other internal allocations are readjusted immediately after disabling ASMM.

F. Both SGA_TARGET and SGA_MAX_SIZE must be set to zero.

A. Systems in which CPU time is dominant need more tuning that those in which WAIT TIME is dominant.

B. When WAIT TIME is high, instance tuning may improve performance.

C. Statspack cannot account for high CPU time when CPU TIME is a Top 10 event in DB time. When CPU time is high, SQL tuning may improve performance.

D. DB Time accounts for all time used by background processes and user sessions.

E. The proportion of WAIT TIME to CPU TIME always increases with increased system load.

F. Parse Time Elapsed accounts for successful soft and hard parse operations only.

A. Excessive checkpoint writes

B. SGA sizing issues

C. Top SQL statements

D. I/O capacity limits

E. User I/O waits