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In your database，the LDAP_DIRECTORY_SYSAUTH initialization parameter has been set to YES and the users who need to access the database as DBAs have been granted SYSDBA enterprise role in Oracle Internet Directory （OID）. SSL and the password file have been configured. A user SCOTT with the SYSDBA privilege tries to connect to the database instance from a remote machine using the command：$ SQLPLUS scott/tiger@DB01 AS SYSDBA where DB01 is the net service name. Which authentication method would be used first？（）
- A、 authentication by password file
- B、 authentication by using certificates over SSL
- C、 authentication by using the Oracle Internet Directory
- D、 authentication by using the local OS of the database server
参考答案
更多 “ In your database，the LDAP_DIRECTORY_SYSAUTH initialization parameter has been set to YES and the users who need to access the database as DBAs have been granted SYSDBA enterprise role in Oracle Internet Directory （OID）. SSL and the password file have been configured. A user SCOTT with the SYSDBA privilege tries to connect to the database instance from a remote machine using the command：$ SQLPLUS scott/tiger@DB01 AS SYSDBA where DB01 is the net service name. Which authentication method would be used first？（） A、 authentication by password fileB、 authentication by using certificates over SSLC、 authentication by using the Oracle Internet DirectoryD、 authentication by using the local OS of the database server” 相关考题
考题
In your database, the LDAP_DIRECTORY_SYSAUTH initialization parameter has been set to YES and the users who need to access the database as DBAs have been granted SYSDBA enterprise role in Oracle Internet Directory (OID). SSL and the password file have been configured. A user SCOTT with the SYSDBA privilege tries to connect to the database instance from a remote machine using the command:Which authentication method would be used first?（）A. authentication by password fileB. authentication by using certificates over SSLC. authentication by using the Oracle Internet DirectoryD. authentication by using the local OS of the database server
考题
Which statement is true regarding Dynamic Service Registration？（）A、Dynamic service registration requires configuration in the listener .ora file.B、Dynamic service registration can be used only with an Oracle9/instance.C、Dynamic service registration cannot register a local listener that does not use TCP/IP or port 1521.D、The PMON background process automatically registers each database instance if the necessary parameters have been set in the database initialization parameter file.
考题
In your database， the RESULT_CACHE_MODE parameter has been set to MANUAL in the initialization parameter file. You issued the following command： SQLSELECT /*+ RESULT_CACHE */ sale_category， sum（sale_amt） FROM sales GROUP BY sale_category； Where would the result of this query be stored（）？ A、 database buffer cacheB、 shared poolC、 PGAD、 large pool
考题
Which step do you need to perform to enable a user with the SYSDBA privilege to log in as SYSDBA in iSQL*Plus？（）A、The user must be granted the database administrator （DBA） privilege.B、The user must be listed in the password file for the authentication.C、No special setup is needed for the user to connect as SYSDBA in iSQL*Plus.D、Set up a user in the Oracle Application Server Containers for J2EE （OC4J） user manager，and grant the webDba role to the user.
考题
You are maintaining an OLTP database in Oracle10g. You have configured the Flash Recovery Area in your database. The Flash Recovery Area is full because you have set the retention policy to NONE. What will you do to resolve the problem？（）A、 Increase the value of the FAST_START_MTTR_TARGET initialization parameter.B、 Increase the value of the DB_RECOVERY_FILE_DEST_SIZE parameter.C、 Increase the value of the PGA_AGGREGATE_TARGET initialization parameter.D、 Increase the value of the SGA_TARGET initialization parameter.
考题
Your PROD database has been started using the server parameter file. In your PROD database you are using RMAN for backup and recovery operations. You issue the following commands from the RMAN prompt： RMAN CONFIGURE CONTROLFILE AUTOBACKUP OFF； RMAN BACKUP DATABASE； Which files from the database will be backed up as a result of this BACKUP command？（）A、 control fileB、 all datafilesC、 password fileD、 online redo log fileE、 archive redo log fileF、 server parameter fileG、 only the SYSTEM datafile
考题
You work as a database administrator for Certkiller .com. In your production database， the size of Database Buffer Cache needs to be increased immediately for the current as well as future instances of the database. The Oracle instance has been configured to accommodate any changes in the size of the memory structures. At this is production database， you want to accomplish this task with no impact on the user’s connections. Which activity must you have completed before accomplishing this task？（）A、You must have started the database instance in restricted mode.B、You must have started the database instance inNORMALmode.C、You must have started the database instance with server parameter file.D、You must have started the database instance but must not have mounted.E、You must have started the database instance but must not have opened.
考题
You work as a database administrator for Certkiller .com. Users complain that their query is taking a long time to complete. You suspect the database buffer cache size to be the reason， and you define an alert to be generated when the buffer cache hit metric goes below 85%. When you observe the dynamic performance views， you find that the buffer cache hit ratio is 81% but no alerts are being generated. What could be the reason for this problem？（）A、The advisory memory has been turned off.B、The DB_CACHE_ADVICE parameter has been set to OFF in the parameter file.C、The STATISTICS_LEVEL parameter has been set to BASIC in the parameter file.D、The TIMED_STATISTICS parameter has been set to FALSE in the parameter file.E、The STATISTICS_LEVEL parameter has been set to TYPICAL in the parameter file.
考题
Your database initialization parameter file has the following entry： SEC_MAX_FAILED_LOGIN_ATTEMPTS=3 Which statement is true regarding this setting？（）A、 It drops the connection after the specified number of login attempts fail for any user.B、 It is enforced only if the password profile is enabled for the user.C、 It locks the user account after the specified number of attempts.D、 It drops the connection after the specified number of login attempts fail only for users who have the SYSDBA privilege.
考题
You work as a database administrator for Certkiller .com. Your database is in NOARCHIVELOG mode. The database has been configured with three redo logs groups， and there have been five log switches. You lost one non-system-critical data file from your database. Which method would you use to recover the data file？（）A、Restore all the data files and open the databaseB、Create the data file and performtablespacerecoveryC、No need to restore any file， just recover the databaseD、Restore only the system data file and recover the databaseE、Restore only lost date file and performtablespacerecovery
考题
You have been recently hired as a database administrator. Your senior manager asks you to study the production database server and submit a report on the settings done by the previous DBA. While observing the server settings， you find that the following parameter has been set in the parameter file of the database： REMOTE_OS_AUTHENT = TRUE What could have been the reason to set this parameter as TRUE？（）A、to enable operating system authentication for a remote clientB、to restrict the scope of administration to identical operating systemsC、to allow the start up and shut down of the database from a remote clientD、to enable the administration of the operating system from a remote clientE、to disable the administration of the operating system from a remote client
考题
Initially， for the Automatic Workload Repository （AWR） statistics， the retention period is set to 7 days， the collection interval is set to 30 minutes and the collection level is set to Typical in your production database. You have been using the Memory Advisor for the last three months to generate recommendations for tuning memory components. However， when you observe the Memory Advisor on a Friday， you find that the statistics are available only for two days， Thursday and Friday， of that week. What would have caused the statistics to be removed？（）A、On Wednesday， the statistics have been purged.B、On Wednesday， the retention period has been set to zero.C、On Wednesday， the collection interval has been set to zero.D、On Wednesday， the collection level has been changed to All.E、On Wednesday， the retention period has been set to one day.F、On Wednesday， the retention period has been set to two days.G、On Wednesday， the collection level has been changed to Typical.H、On Wednesday， the collection interval has been set to 1440 minutes.
考题
Manually， you set the consumer group of all of the newly created users to MYDB_GRP. You want the users to be able to change their consumer groups as per the application requirement. What was the first step that was needed in the process to achieve this objective？（）A、 The user must have been granted the DBA role.B、 The user must have been granted the switch privilege as a part of a role.C、 The user must have been granted the Resource Manager administrator privilege.D、 The user must have been granted the switch privilege by using the DBMS_RESOURCE_MANAGER_PRIVS package.
考题
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： SQLGRANT 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.
考题
The production database has been functional for the last seven days. Because of application requirements， some of the initialization parameters were changed during run time without any comments. You have been asked to find out the value of the parameters when the instance was started. Which source would you use to locate this information？（）A、fixed viewsB、the alert log fileC、the parameter fileD、the server parameter fileE、dynamic performance views
考题
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 isD、 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.
考题
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
考题
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.
考题
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 fileB、password fileC、listener controller fileD、control file and password file
考题
单选题You have been recently hired as a database administrator. Your senior manager asks you to study the production database server and submit a report on the settings done by the previous DBA. While observing the server settings， you find that the following parameter has been set in the parameter file of the database： REMOTE_OS_AUTHENT = TRUE What could have been the reason to set this parameter as TRUE？（）A
to enable operating system authentication for a remote clientB
to restrict the scope of administration to identical operating systemsC
to allow the start up and shut down of the database from a remote clientD
to enable the administration of the operating system from a remote clientE
to disable the administration of the operating system from a remote client
考题
多选题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?（）AIt will permit the use of uppercase passwords for database users who have been granted the SYSOPER role.BIt contains username and passwords of database users who are members of the OSOPER operating system group.CIt contains usernames and passwords of database users who are members of the OSDBA operating system group.DIt will permit the use of lowercase passwords for database users who have granted the SYSDBA role.EIt will not permit the use of mixed case passwords for the database users who have been granted the SYSDBA role.
考题
单选题Manually， you set the consumer group of all of the newly created users to MYDB_GRP. You want the users to be able to change their consumer groups as per the application requirement. What was the first step that was needed in the process to achieve this objective？（）A
The user must have been granted the DBA role.B
The user must have been granted the switch privilege as a part of a role.C
The user must have been granted the Resource Manager administrator privilege.D
The user must have been granted the switch privilege by using the DBMS_RESOURCE_MANAGER_PRIVS package.
考题
单选题You work as a database administrator for Supportcenter.cn. Users complain that their query is taking a long time to complete. You suspect the database buffer cache size to be the reason， and you define an alert to be generated when the buffer cache hit metric goes below 85%. When you observe the dynamic performance views， you find that the buffer cache hit ratio is 81% but no alerts are being generated. What could be the reason for this problem？（）A
The advisory memory has been turned off.B
The DB_CACHE_ADVICE parameter has been set to OFF in the parameter file.C
The STATISTICS_LEVEL parameter has been set to BASIC in the parameter file.D
The TIMED_STATISTICS parameter has been set to FALSE in the parameter file.E
The STATISTICS_LEVEL parameter has been set to TYPICAL in the parameter file.
考题
单选题In your database， the RESULT_CACHE_MODE parameter has been set to MANUAL in the initialization parameter file. You issued the following command： SQLSELECT /*+ RESULT_CACHE */ sale_category， sum（sale_amt） FROM sales GROUP BY sale_category； Where would the result of this query be stored（）？A
database buffer cacheB
shared poolC
PGAD
large pool
考题
单选题You are maintaining your database in Oracle10g. You have set the value of the STATISTICS_LEVEL initialization parameter to TYPICAL and the value of the FAST_START_MTTR_TARGET parameter to 900 seconds. To increase the performance of the database， you want to determine the optimal size of the online redo log files. Which tool enables you to determine the optimal size of the online redo log files？（）A
Oracle Enterprise ManagerB
The V$LOG viewC
The V$LOGFILE viewD
The V$FLASHBACK_DATABASE_LOGS view
考题
单选题Initially， for the Automatic Workload Repository （AWR） statistics，the retention period is set to 7 days， the collection interval is set to 30 minutes and the collection level is set to Typical in your production database. You have been using the Memory Advisor for the last three months to generate recommendations for tuning memory components. However，when you observe the Memory Advisor on a Friday，you find that the statistics are available only for two days， Thursday and Friday，of that week. What would have caused the statistics to be removed？（）A
On Wednesday， the statistics have been purged.B
On Wednesday， the retention period has been set to zero.C
On Wednesday， the collection interval has been set to zero.D
On Wednesday， the collection level has been changed to All.E
On Wednesday， the retention period has been set to one day.F
On Wednesday， the retention period has been set to two daysG
On Wednesday, the collection level has been changed to Typical.H
On Wednesday, the collection interval has been set to 1440 minutes.
考题
单选题You are maintaining an OLTP database in Oracle10g. You have configured the Flash Recovery Area in your database. The Flash Recovery Area is full because you have set the retention policy to NONE. What will you do to resolve the problem？（）A
Increase the value of the FAST_START_MTTR_TARGET initialization parameter.B
Increase the value of the DB_RECOVERY_FILE_DEST_SIZE parameter.C
Increase the value of the PGA_AGGREGATE_TARGET initialization parameter.D
Increase the value of the SGA_TARGET initialization parameter.
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