[Updated] 1Z0-064 - Oracle Database 12c Performance Management and Tuning Questions

[Updataed] 1Z0-064 - Oracle

Database 12c Performance Management and Tuning Questions Make 1Z0-064 Certification Exam Easy with DBexam.com

Oracle 1Z0-064 Exam Detail Exam Code

1Z0-064

Full Exam Name Oracle Database 12c Performance Management and Tuning Number of Questions

84

Practice Exams

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Passing Score

62%

Time Limit

150 Minutes

Recommended Training

Oracle Database 12c: Performance Management and Tuning

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How to Prepare for 1Z0-064 •

Perform enough practice with Oracle system with related Oracle 1Z0-064 certification subjects

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Identify the key configuration, workflow and data flow

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Understand the all Syllabus Topics of Exam which are Given in Description.

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Identify your weak areas from practice test and do more practice with system

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Repeat practice exams and try to score 100% on www.DBexam.com

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Oracle 1Z0-064 Exam Questions

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Q 1) Which two result in the latest fragmentation within segments and the least external fragmentation within tablespaces?

Option a) automatic segment space managed segments b) locally managed tablespaces with uniform extent size

c) freelist managed segments with one freelist d) dictionary managed tablespace e) locally managed tablespaces that were converted from dictionary managed tablespaces f) freelistmanaged segments with multiplefreelist Enjoy success with DBexam.com

ANSWER a) automatic segment space managed segments b) locally managed tablespaces with uniform extent size

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Q 2) Which two situations can lead to sparsely populated index blocks?

Option

a) Data is frequently inserted using direct path load into a table with an index. b) Indexed columns in a table are frequently updated. c) Values in an indexed column are inserted using monotonically incrementing sequences. d) Bulk delete operations are performed on a table with indexes. e) Online table move operations are performed frequently on a table with indexes.

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ANSWER b) Indexed columns in a table are frequently updated. d) Bulk delete operations are performed on a table with indexes.

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Q 3) Which two are prerequisites for running the I/O calibration tool?

Option a) The database must be inMOUNTstate. b) The database should be opened in restricted mode.

c) For determining latency time, theSTATISTICS_LEVELparameter must be set toTYPICALorALL. d) The disks to be tested must be configured to use asynchronous I/O for data files. e) The database instance must be started using anSPFILE. Enjoy success with DBexam.com

ANSWER a) The database must be inMOUNTstate. e) The database instance must be started using anSPFILE.

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Q 4) In which three situations doesDB timealways increase?

Option a) when the host is CPU bound for foreground processes

b) when I/O wait time increases for foreground processes c) when more connections are made to a database instance d) when CPU consumption by background processes increases

e) when wait time for data to be sent over a network increases

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ANSWER a) when the host is CPU bound for foreground processes b) when I/O wait time increases for foreground processes c) when more connections are made to a database instance Enjoy success with DBexam.com

Q 5) Which two statements are true about ADDM or Real-Time ADDM? Option a) ADDM can be run manually by selecting any range of AWR snapshots available within the AWR retention period, provided they do not cover a time period when the instances were restarted. b) ADDM runs in Partial mode to analyze any hung database issues.

c) Real-Time ADDM can proactively detect and diagnose transient performance issues that last for a few seconds. d) Real-Time ADDM is automatically invoked by ADDM at the end of every hour.

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ANSWER a) ADDM can be run manually by selecting any range of AWR snapshots available within the AWR retention period, provided they do not cover a time period when the instances were restarted. c) DB timeincludes the time spent on client processes and background processes.

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