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1 Which two statements are true about the duplexing of the backups taken by RMAN? （）(Choose two.)

2 Your multitenant container database has three pluggable databases (PDBs): PDB1, PDB2, and PDB3.Which two RMAN commands may be; used to back up only the PDB1 pluggable database?（）

3 You are working in a dedicated server environment. Your database is running in the automatic Program Global Area （PGA） memory management mode. Which two statements are correct in this scenario？（）

4 Given:

Under which three circumstances will the code on line 37 be executed?（）

5 Which operator can be used with a multiple-row subquery? （）

6.問答題什么是事務？事務相關的三個命令是什么？

7 You work as a database administrator for Supportcenter.cn. You are working on Oracle Database 10g. To forward client connections to an instance， the listener must know information such as the name of the instance and where the instance’s ORACLE_HOME is located. How does the listener get this information？（）

8 Which background process is responsible for writing the dirty buffers from the write list to the data files during a checkpoint？（）

9 What effect should the loss of an index tablespace have on an Oracle instance that is running？（）

10 View the Exhibit and examine the output.
You execute the following RMAN command to perform the backup operation:

What is the multiplexing level in the preceding backup process（）

Oracle認證考試章節(jié)練習(2020.01.15)