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1z0-071 Exam PrepExam Code: 1z0-071
Exam Name: Oracle Database 12c SQL
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1z0-071 Training Materials Total Q&A: 75 Questions and Answers
Last Update: 09-27,2016

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1z0-062 Practice QuestionsExam Code: 1z0-062
Exam Name: Oracle Database 12c: Installation and Administration
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1z0-062 Exam Tests Total Q&A: 166 Questions and Answers
Last Update: 09-27,2016

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NO.1 Which action takes place when a file checkpoint occurs?
A. The Database Writer process (DBWn) writes all dirty buffers in the buffer cache to data files.
B. The checkpoint position is advanced in the checkpoint queue.
C. All buffers for a checkpointed file that were modified before a specific SCN are written to disk by
DBWn and the SCN is stored in the control file.
D. The Log Writer process (LGWR) writes all redo entries in the log buffer to online redo log files.
Answer: A
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NO.2 Which statement is true about the Log Writer process?
A. It writes after the Database Writer process writes dirty buffers to disk.
B. It writes when it receives a signal from the checkpoint process (CKPT).
C. It writes concurrently to all members of multiplexed redo log groups.
D. It writes when a user commits a transaction.
Answer: D
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Reference: http://docs.oracle.com/cd/B19306_01/server.102/b14220/process.htm (see log writer
process (LGWR))





Posted 2016/9/28 9:53:06  |  Category: Oracle  |  Tag: 1z0-062 exam tests1z0-071 Training Materials1z0-062 Practice TestOracle certification 1z0-062Oracle Database 12c SQLOracle Database 12c: Installation and Administration