In your database, the LDAP_DIRECTORY_SYSAUTH initialization parameter has been set to YES

Your multitenant container database (CDB) is running in ARCHIVELOG mode. You connect to the CDB RMAN.Examine the following command and its output:You execute the following command:RMAN ＞ BACKUP DATABASE PLUS ARCHIVELOG;Which data files will be backed up？（）

A. Data files that belong to only the root container

B. Data files that belong to the root container and all the pluggable databases (PDBs)

C. Data files that belong to only the root container and PDB$SEED

D. Data files that belong to the root container and all the PDBs excluding PDB$SEED

Why we use index in database？ How many indexes is the maximum in one

table as your suggestion？

A. You must have change tracking enabled in your database

B. Your database must be running in NOARCHIVELOG mode

C. To back up a tablespace, it must be in backup mode

D. To back up a tablespace, it must first be taken offline

A. Mount the database

B. Open the database in NORMAL mode

C. Open the database in RESTRICTED mode

D. Open the database with the RESETLOGS option

You are using recovery Manager (RMAN) with a recovery catalog to backup up your production database. The backups and the archived redo log files are copied to a tape drive on a daily basis. The database was open and transactions were recorded in the redo logs. Because of fire in the building you lost your servers having the production database and the recovery catalog database.The archive log files generated after the last backup are intact on one of the remote locations. While performing a disaster recovery of the production database what is the next step that you must perform after restoring the data files and applying archived redo logs？（）

A. Open the database in NORMAL mode

B. Open the database in read-only mode

C. Open the database in RESTRICTED mode

D. Open the database with the RESETLOGS option

Your database supports an online transaction processing (OLTP) application.The application is undergoing some major schema changes, such as addition of new indexes and materialized views.You want to check the impact of these changes on workload performance.What should you use to achieve this？（）

A. Database replay

B. SQL Tuning Advisor

C. SQL Access Advisor

D. SQL Performance Analyzer

E. Automatic Workload Repository compare reports

A. Change in the Oracle Database version

B. Change in your network infrastructure

C. Change in the hardware configuration of the database server

D. Migration of database storage from non-ASM to ASM storage

E. Database and operating system upgrade

A. Oracle Net Manager

B. Listener Control utility

C. Database Configuration Assistant

D. Oracle Net Configuration Assistant

The best title of the passage is likely to be“ _________”.

A． The Internet An Organized Database

B． Tools for Internet Information

C． How to Use Web Directories

D． How to Update Your Database

A. The database must have multiplexed redo log files

B. The database must be in the MOUNT state to execute the command

C. The database must be in the NOMOUNT state to execute the command

D. The database must be opened in RESTRICTED mode before this operation

E. The database must be opened with the RESETLOGS option after the flashback operation

Your multitenant container database (CDB) contains a pluggable database, HR_PDB. The default permanent tablespace in HR_PDB is USERDATA. The container database (CDB) is open and you connect RMAN.You want to issue the following RMAN command:RMAN ＞ BACKUP TABLESPACE hr_pdb:userdata;Which task should you perform before issuing the command？（）

A. Place the root container in ARHCHIVELOG mode.

B. Take the user data tablespace offline.

C. Place the root container in the nomount stage.

D. Ensure that HR_PDB is open.