Oracle認證考試1z0-040章節(jié)練習(2018.08.07)

來源：考試資料網(wǎng)

1 Which are the three levels at which the Segment Advisor generates advice?（）

2 View the Exhibit and examine the highlighted alert. You have received an alert with the Category specified as Snapshot Too Old. Which page would you open from the Advisor Central page to determine the system recommendations to avoid such alerts in future?（）

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3 Which two statements regarding the FLASHBACK_TRANSACTION_QUERY view are correct?（）

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4 View the Exhibit and examine the recommendation graph provided for a test database by the Undo Advisor.The graph recommends that the size of undo tablespace should be set to（）.

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5 You have three temporary tablespace groups named G1, G2, and G3 in your database. You are creating a new temporary tablespace as follows: CREATE TEMPORARY TABLESPACE TEMP1 TEMPFILE /u1/data/temp1.dbf SIZE 10M TABLESPACE GROUP ;Which statement regarding the above command is correct?（）

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6 You want to perform the database backup when user activity on your system is low, such as between 12:00 a.m. and 2:00 am. Which command terminates with an error if the backup is not complete at the end of the specified duration?（）

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7 You explicitly specified the tablespace usage threshold values while creating a tablespace. You need to revert to the database-wide default tablespace usage threshold values for the tablespace. Which PL/SQL package would you use?（）

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8 Which two statements regarding the Policy Framework in Enterprise Manager (EM) are correct?（）

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9 You have 100 segments in the USERS tablespace. You get an alert that the USERS tablespace is running low on space. You decide to shrink some segments. Which option would you use to determine which segments to shrink?（）

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10 You executed the following SQL statement to shrink the EMPLOYEES table segment stored in the EXAMPLE tablespace: ALTER TABLE employees SHRINK SPACE CASCADE; Which statement is correct in this scenario?（）

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