Oracle 1Z0-042 考題5.20發生更新
Killtest題庫網1Z0-042考題發生更新，考題由原來的136題變為148題，考試版本為V9.02。
Killtest 題庫網保證你一次性通過1Z0-042考試，否則全額退款。
我們還免費提供1Z0-042的DEMO下載：PDF 電子檔案DEMO版本
部份1Z0-042考題如下：
1. In your Oracle 10g database , you have scheduled a job to update the optimizer statistics at 05:00 pm every Friday. The job has successfully completed. Which three pieces of information would you check to confirm that the statistics have been collected? (Choose three.)
A. average row size
B. last analyzed date
C. size of table in bytes
D. size of table in database blocks
E. number of free blocks in the free list
F. number of extents present in the table
Answer: ABD
2. You are in the middle of a transaction and very crucial data has been modified. Because of a hardware failure, the instance has shut down before synchronizing all the database files. Which two statements are true? (Choose two.)
A. On startup, SMON coordinates instance recovery.
B. On startup, CKPT coordinates instance recovery.
C. On startup, use RMAN to perform instance recovery.
D. Uncommitted changes will be rolled back after the database is opened.
E. On startup, perform media recovery and then instance recovery.
F. On startup, all the files will be synchronized and you get both committed and uncommitted data.
Answer: AD
3. You are using the backup scheduler in Enterprise Manager (EM) to schedule a backup of yourdatabase. Which type of script does the backup scheduler generate?
A. SQL script
B. PL/SQL script
C. Operating System (OS) script
D. Enterprise Manager (EM) script
E. Recovery Manager (RMAN) script
Answer: E
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