[Feb-2026] Pass Oracle 1Z0-084 Tests Engine pdf – All Free Dumps [Q21-Q37]

NO.21 Accessing the SALES tables causes excessive db file sequential read wait events.
Examine this AWR except:

Now, examine these attributes displayed by querying dba_tables:

Finally, examine these parameter settings:

Which two must both be used to reduce these excessive waits?

NO.22 Which two statements are true about the use and monitoring of Buffer Cache Hit ratios and their value in tuning Database I/O performance?

NO.23 Buffer cache access is too frequent when querying the SALES table. Examine this command which executes successfully:
ALTER TABLE SALES SHRINK SPACE;
For which access method does query performance on sales improve?

NO.24 Which three statements are true about tuning dimensions and details of v$sys_time_model and DB time?

NO.25 You must produce a consolidated formatted trace file by combining all trace files generated by all clients for a single service.
Which combination of utilities does this?

NO.26 Which two actions can cause invalidation or loss of one or more results in the SQL Query Result Cache?

NO.27 Examine this statement and output:

Which three statements are true?

NO.28 Examine this AWRreport excerpt:

You must reduce the impact of database I/O, without increasing buffer cache size and without modifying the SQL statements.
Which compression option satisfies this requirement?

NO.29 Which two statements are true about space usage in temporary tablespaces?

NO.30 Which two options are part of a Soft Parse operation?

NO.31 Which two statements are true about the use and monitoring of Buffer Cache Hit ratios and their value in tuning Database I/O performance?

NO.32 Examine this code block, which executes successfully:
DBMS_SERVER_ALERT. SET_THRESHOLD (
DBMS_SERVER_ALERT.CPU_TIME_PER_CALL, DBMS_SERVER_ALERT. OPERATOR_GE, ‘8000’, DBMS_SERVER_ALERT.OPERATOR_GE, ‘10000’, 1, 2, ‘inst1’, DBMS_SERVER_ALERT.OBJECT_TYPE_SERVICE, ‘main.regress.rdbms.dev.us.example.com’) ;

What will happen?

NO.33 Which application lifecycle phase could be managed reactively?

NO.34 Users complain about slowness and session interruptions. Additional checks reveal the following error in the application log:

Which file has additional information about this error?

NO.35 Which two statements are true about disabling Automatic Shared Memory Management (ASMM)?

NO.36 You are informed that the RMAN session that is performing the database duplication is much slower than usual. You want to know the approximate time when the rman operation will be completed.
Which view has this information?

NO.37 Which procedure gathers statistics that are always used in the generation of any execution plan?