Your success in Oracle Database 12c: Performance Management and Tuning 1z0-064 Certification exam ensures your professional strength in order to be more successful in future, But you should know the pattern of Oracle 1z0-064 exam to perform well in it. PracticeDumpsguru provides you latest 1z0-064 practice exam dumps. The Oracle 1z0-064 practice exam dumps material consists of two formats, practice test software and pdf files. Practice test software has a user-friendly interface, which helps you to test your preparation and point out your weak areas. Pdf files consist of latest Oracle 1z0-064 exam questions.
Examine the Time Model Statistics section of an AWR report:
Which two inferences can be definitely derived from this section? (Choose two.)
A. The available CPU resources were not utilized to their maximum capacity.
B. All sequence numbers used during this AWR time interval were cached.
C. A large number of connected user sessions were idle.
D. New child cursors were created because of new bind values or usage of literal values as well as different bind types or sizes.
E. The DB CPU time was not spent exclusively for processing SQL statements.
Answer: D, E
New Updated 1z0-064 Exam Questions 1z0-064 PDF dumps 1z0-064 practice exam dumps: https://www.dumpsschool.com/1z0-064-exam-dumps.html (84 Questions)
Examine the partial TOP 10 Foreground Events by Total Wait Time section of an AWR report:
What should you examine to diagnose the cause of the top three wait events? (Choose the best answer.)
A. the V$ACTIVE_SESSION_HISTORY view
B. the Time Model Statistics section of the AWR report
C. the SQL statements based on elapsed time from the AWR report
D. the Latch Activity section
E. the Segment Statistics section of the AWR report
In your database, the measured 99th percentile value is used as the maximum value. You set a warning threshold level of 110% of maximum trigger as an alert.
What is the outcome? (Choose the best answer.)
A. It generates an error because the warning threshold cannot exceed 100%.
B. It generates an error because the percentage of maximum threshold cannot be set with a significance-level threshold value.
C. It generates an alert when an observed metric is 99% of the 99th percentile value as measured over the moving window baseline.
D. It generates an alert when an observed metric is 110% of the 99th percentile value as measured over the moving window baseline.
E. It generates an alert when 1 in 100 observations for an observed metric exceeds the 99th percentile value as measured over the fixed baseline.
You want to capture AWR data to monitor performance variation every Monday between 9:00 AM and 12:00 PM for three months and automatically remove the older AWR data every fortnight.
How would you achieve this? (Choose the best answer.)
A. Create AWR baselines.
B. Create SQL plan baselines.
C. Create repeating baseline templates.
D. Create database services and make sure that user connections use them to connect to the database instance.
E. Create a single baseline template.
Which two actions can reduce library cache latch contention for an OLTP application that repeatedly executes queries containing a mix of literals and bind variables? (Choose two.)
A. setting the OPEN_CURSORS parameter to hold a sufficient number of concurrently open cursors
B. coding the application such that a frequently executed statement is parsed only once and executed repeatedly as required
C. setting the CURSOR_SHARING parameter to EXACT
D. avoiding the granting of privileges on objects associated with cursors during peak load
E. enabling Automatic Memory Management and allocating at least 50% of the available memory for SHARED_POOL_SIZE
F. configuring shared server connections
Answer: B, E
You are administering a database that supports multiple applications, which make dedicated connections to the database instance by using different services.
You execute the command to enable tracing of the ORCL1 service:
Which two statements are true? (Choose two.)
A. A single trace file is generated for all sessions mapped to the ORCL1 service.
B. SQL trace is enabled for all modules and actions for sessions mapped to the ORCL1 service.
C. An SQL trace file is generated for each session that maps to the ORCL1 service.
D. An SQL trace file is generated for each of the modules using the ORCL1 service.
E. SQL trace is not enabled for the service because a module name is not specified.
Answer: A, C