1z1-084 Exam Questions Get Updated [2024] with Correct Answers [Q16-Q33]

NO.16 You must configure and enable Database Smart Flash Cache for a database.
You configure these flash devices:

Examine these parameter settings:

What must be configured so that the database uses these devices for the Database Smart Flash Cache?

NO.17 A database supporting a mixed workload is hosted on a server with 64 CPUs.
A large number of free buffer waits and buffer busy waits occur affecting performance.
The buffer cache size was then increased but after a few hours, the same wait events occur more often than before the change.
Examine these parameter settings:

Which two actions can help reduce the number of these waits7

NO.18 You need to collect and aggregate statistics for the ACCTG service and PAYROLL module, and execute:

Where do you find the output of this command?

NO.19 You want to reduce the amount of db file scattered read that is generated in the database.You execute the SQL Tuning Advisor against the relevant workload. Which two can be part of the expected result?

NO.20 Which two statements are true about session wait information contained in v$session or v$session_wait?

NO.21 SGA_TARGET and PGA_AGGREGATE_TARGET are configured to nonzero values.
MEMORY_target is then set to a nonzero value but memory_MAX_TARGET is not set.
Which two statements are true?

NO.22 Which two statements are true about space usage in temporary tablespaces?

NO.23 Which Optimizer component helps decide whether to use a nested loop join or a hash join in an adaptive execution plan?

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

NO.25 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.26 Examine this statement and its corresponding execution plan:

Which phase introduces the CONCATENATION step?

NO.27 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.28 What are the least elevated values of statistics_level and C0NTR0LJ4ANAGEMENT_PACK_ACCESS that allow the usage of Monitoring of Database Operations?

NO.29 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.30 For which two actions can SQL Performance Analyzer be used to assess the impact of changes to SQL performance?

NO.31 Which two statements are true about disabling Automatic Shared Memory Management (ASMM)?

NO.32 18. The application provider has given full indications regarding the procedure to collect statistics.
To reduce the space used in the SYSAUX tablespace, you want to prevent the optimizer statistics Advisor from running.
Which method will allow you to do this?

NO.33 Which two options are part of a Soft Parse operation?