单选题ou executed the command to create a password file in the database server： $ orapwd file=orapworcl entries=5 ignorecase=N  Which statement describes the purpose of the above password file（）A It records usernames and passwords of users when granted the D

第1题：

You Execute the Following command to create a password file in the database server: $ orapwd file = ‘+DATA/PROD/orapwprod entries = 5 ignorecase = N format = 12’ Which two statements are true about the password file?（）

• A、It records the usernames and passwords of users when granted the DBA role.
• B、It contains the usernames and passwords of users for whom auditing is enabled.
• C、Is used by Oracle to authenticate users for remote database administration.
• D、It records the usernames and passwords of all users when they are added to the OSDBA or OSOPER operating system groups.
• E、It supports the SYSBACKUP, SYSDG, and SYSKM system privileges.

第2题：

You are working as a Database Administrator. Despite having a password in the data dictionary as change_on_install， you always log on to the database MYNEWDB using operating system authentication. Your organization is planning to recruit two junior-level DBAs. You decide to enable remote authentication in your database so that the new DBAs can log on to the database from their workstations to carry out administrative tasks.   To allow the new DBAs to perform the administrative tasks， you create a password file on the database server using the following command：   ORAPWD file=d：/oracle/ora9i/orapwU01 password=admin entries=4   After creating the password file， you remove the operating system authentication and change the value of the  REMOTE_LOGIN_PASSWORDFILE parameter to EXCLUSIVE. You also create a net service name as MYNEWDB that allows the new DBAs to connect to the database server from their workstations using this net service name. Which command must you use to connect to the database to start it？（）  

• A、 CONNECT / AS SYSDBA
• B、 CONNECT sys/admin AS SYSDBA
• C、 CONNECT sys/admin@mynewdb AS SYSDBA
• D、 CONNECT sys/change_on_install AS SYSDBA

第3题：

You have created a password file using the following command：   ORAPWD file=d：/oracle/ora9i/orapwU01 password=change_on_install entries=3   Which of the following is true about this password file？（）

• A、 If the REMOTE_LOGIN_PASSWORDFILE parameter is set to SHARED in the initialization parameter file， then a maximum of three users can be granted the SYSDBA or SYSOPER privileges.
• B、 If the REMOTE_LOGIN_PASSWORDFILE parameter is set to EXCLUSIVE in the initialization parameter file， then a maximum of three users can be granted the SYSDBA or SYSOPER privileges.
• C、 If the REMOTE_LOGIN_PASSWORDFILE parameter is set to SHARED in the initialization parameter file， then the SYSDBA and SYSOPER privileges can be granted to other users as long as space in the password file is
• D、 If the REMOTE_LOGIN_PASSWORDFILE parameter is set to EXCLUSIVE in the initialization parameter file， then the SYSDBAand SYSOPER privileges can be granted to other users as long as space in the password file is available.

第4题：

You executed the command to create a password file in the database server： $ orapwd file=orapworcl entries=5ignorecase=N  Which statement describes the purpose of the above password file（）

• A、It records usernames and passwords of users when granted the DBA role.
• B、It contains usernames and passwords of users for whom auditing is enabled.
• C、It is used by Oracle to authenticate users for remote database administration.
• D、It records usernames and passwords of all users when they are added to OSDBA or OSOPER operatingsystem groups

第5题：

You upgraded your database from pre-12c to a multitenant container database (CDB) containing pluggable databases (PDBs). Examine the query and its output: Which two tasks must you perform to add users with SYSBACKUP, SYSDG, and SYSKM privilege to the password file?（）

• A、Assign the appropriate operating system groups to SYSBACKUP, SYSDG, SYSKM.
• B、Grant SYSBACKUP, SYSDG, and SYSKM privileges to the intended users.
• C、Re-create the password file with SYSBACKUP, SYSDG, and SYSKM privilege and the FORCE argument set to No.
• D、Re-create the password file with SYSBACKUP, SYSDG, and SYSKM privilege, and FORCE arguments set to Yes.
• E、Re-create the password file in the Oracle Database 12c format.

第6题：

You are designing a strategy for migrating the UNIX user accounts to Active Directory.  Which three actions should you perform？（）

• A、 Import the user accounts as inetOrgPerson objects.
• B、 Import the user accounts into Active Directory by using the Ldifde command-line tool.
• C、 Export all user accounts from the UNIX servers to a text file.
• D、 Export all user accounts and their passwords from the UNIX servers to a text file. Encrypt this file to achieve extra security.
• E、 Assign random passwords to each user object， and securely distribute the password to the users.
• F、 Create the same strong password for each user object， and require users to change their passwords at first logon.
• G、 Instruct users to use the same name and password as they used on the UNIX servers.

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第13题：

You are maintaining your database in Oracle10g. You are performing the backup by using the BACKUP AS BACKUPSET command at the RMAN prompt. Which file cannot be backed up by using the BACKUP AS BACKUPSET command？（）

• A、Datafiles
• B、 Current control file
• C、 Server parameter file （spfile）
• D、 Password file

第14题：

You are part of the DBA team working for a multinational bank. The team is responsible for performing administrative tasks on the database server located at the home office. The database server at the home office has a production database and a test database named TESTDB. The test database is primarily used for testing database commands and configuration settings befor implementing these settings on the production database. The test database is also used for the development of database applications. You have been asked by the senior DBA to grant the SYSDBA privilege to a new team member， John， so that he can perform some administrative tasks， such as shutdown and startup operations， on TESTDB. You use the password file to configure remote authentication on the TESTDB database. You execute the following statement to grant the SYSDBA privilege to John：   SQL>GRANT SYSDBA TO john；   However， you receive the following error：   ORA-01996： GRANT failed： password file   ’c：/oracle/ora9i/dbs/testdb.pwd’ is full   Which action should you take to add the user john to the password file without removing any of the existing users？（）

• A、 Create another password file and then re-execute the GRANT statement.
• B、 Re-create the password file， specifying a larger number of allowed entries， and then re-execute the GRANT statement.
• C、 Change the value of the REMOTE_LOGIN_PASSWORDFILE initialization parameter in theinitialization parameter file to NONE and then re-execute the GRANT statement.
• D、 Change the value of the REMOTE_LOGIN_PASSWORDFILE initialization parameter in the initialization parameter file to SHARED and then re-execute the GRANT statement.

第15题：

In order to enable remote administration of users and tablespaces on an Oracle database, which of the following types of files must exist in the database?（）

• A、Password file 
• B、Initialization file 
• C、Datafile 
• D、Control file 
• E、Nothing - SYSDBA privileges are not required for these actions

第16题：

You executed this command to create a password file: $ orapwd file = orapworcl entries = 10 ignorecase = N Which two statements are true about the password file?（）

• A、It will permit the use of uppercase passwords for database users who have been granted the SYSOPER role.
• B、It contains username and passwords of database users who are members of the OSOPER operating system group.
• C、It contains usernames and passwords of database users who are members of the OSDBA operating system group.
• D、It will permit the use of lowercase passwords for database users who have granted the SYSDBA role.
• E、It will not permit the use of mixed case passwords for the database users who have been granted the SYSDBA role.

第17题：

You want the user APP_DBA to administer the Oracle database from a remote machine. APP_DBA is granted the SYSDBA privilege to perform administrative tasks on the database. Which file is used by the Oracle database server to authenticate APP_DBA？（）

• A、control file
• B、password file
• C、listener controller file
• D、control file and password file

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