单选题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 D

第1题：

You issue this statement：ALTER DATABASE BACKUP CONTROLFILE TO TRACE；  What does the statement generate？（）

• A、A text copy of the control file.
• B、A binary copy of the control file.
• C、A file containing a SQL statement which will re-create the database.
• D、A file containing a SQL statement which will re-create the control file.

第2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 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 operating system groups.

第3题：

第4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5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6题：

You are a Database Administrator with WonderWeb. You use a password file to establish connections to the Sales database located on the server. You created the password file using the following command：        ORAPWD file=d：/oracle/ora9i/orapwU01 password=admin entries=4   You erroneously deleted the password file while the database was running. You re-create the password file using the following command：   ORAPWD file=d：/oracle/ora9i/orapwU01 password=change_on_install entries=4   However， when you try to connect as the SYS user， you receive the following error：        ORA-01031： insufficient privileges   What should you do to resolve this error？（）

• A、 Delete the newly created password file and re-create another password file with the password admin， without shutting down the database.
• B、 Enable the operating system authentication， shut down the database， disable the operating system authentication， and restart the database using the password file.
• C、 Enable the operating system authentication， shut down the database， re-create the password file using the same ORAPWD command， and restart the database using the password file.
• D、 Delete the newly created password file， enable operating system authentication and shut down the database. Then， re-create another password file using the same ORAPWD command and restart the database using this password file.

第7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8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. 

第9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10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.