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单选题
In your database instance, the user sessions are connected to the database server from the remotemachines. You want to achieve the following for these users:  1:The user account must be locked after four unsuccessful login attempts.PASSWORD_LOCK_TIME  2:The user must be prompted to change the password at regular intervals.PASSWORD_LIFE_TIME  3:The user may not have more than three simultaneous sessions.SESSIONS_PER_USER  4:The user session must automatically be logged off if more than 10 minutes elapsed time used.CONNECT_TIME  How would you accomplish the above()
A

by assigning profiles for the users

B

by implementing Fine-Grained Auditing (FGA)

C

by granting a secure application role to the users

D

by implementing the Database Resource Manager plan


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更多 “单选题In your database instance, the user sessions are connected to the database server from the remotemachines. You want to achieve the following for these users:  1:The user account must be locked after four unsuccessful login attempts.PASSWORD_LOCK_TIME  2:The user must be prompted to change the password at regular intervals.PASSWORD_LIFE_TIME  3:The user may not have more than three simultaneous sessions.SESSIONS_PER_USER  4:The user session must automatically be logged off if more than 10 minutes elapsed time used.CONNECT_TIME  How would you accomplish the above()A by assigning profiles for the usersB by implementing Fine-Grained Auditing (FGA)C by granting a secure application role to the usersD by implementing the Database Resource Manager plan” 相关考题
考题 Multiple RMAN sessions are connected to the database instance.Examine the following output when backup commands are running in server sessions:What could have helped you to correlate server sessions with channels?()A. Implement RMAN multiplexingB. Set the DEBUG ON in the RMAN scriptC. Specify the command ID in the RMAN scriptD. Use a tag with the RMAN BACKUP command

考题 Your database is open and the LISTENER listener running. You stopped the wrong listener LISTENER byissuing the following command:lsnrctl >STOPWhat happens to the sessions that are presently connected to the database Instance?()A. They are able to perform only queries.B. They are not affected and continue to function normally.C. They are terminated and the active transactions are rolled back.D. They are not allowed to perform any operations until the listener LISTENER is started

考题 In your database instance, the user sessions are connected to the database server from the remote machines.You want to achieve the following for these users: 1. The user account must be locked after four unsuccessful login attempts. 2. The user must be prompted to change the password at regular intervals. 3. The user may not have more than three simultaneous sessions. 4. The user session must automatically be logged off if more than 10 minutes elapsed time used. How would you accomplish the above()A、By assigning profiles for the usersB、By implementing Fine-Grained Auditing (FGA)C、By granting a secure application role to the usersD、By implementing the Database Resource Manager plan

考题 You executed the following command in the lsnrctl utility to stop the listener: lsnrctl STOP L1  What is the effect of this command if L1 is the only listener configured for your database?()A、It terminates all user sessions.B、It prevents users from logging in to the database remotely.C、It halts the server until all user transactions are completed.D、The server hangs, so users will receive an error asking them to login again.E、Connected users would get an error with the message "End of communication channel".

考题 Users of your web application have requested that they should be able to set the duration of their sessions.So for example, one user might want a webapp to stay connected for an hour rather than the webapp’sdefault of fifteen minutes; another user might want to stay connected for a whole day. Furthermore, youhave a special login servlet that performs user authentication and retrieves the User object from the database. You want to augment this code to set up the user’s specified session duration. Which codesnippet in the login servlet will accomplish this goal?()A、User user = // retrieve the User object from the database session.setDurationInterval(user.getSessionDuration());B、User user = // retrieve the User object from the database session.setMaxDuration(user.getSessionDuration());C、User user = // retrieve the User object from the database session.setInactiveInterval(user.getSessionDuration());D、User user=//retrieve the User object from the database session.setDuration(user.getSessionDuratio());E、User user = // retrieve the User object from the database session.setMaxInactiveInterval(user.getSessionDuration());

考题 Your database is open and users are connected using the LISTENER listener. The new DBA of the system stops the listener by using the following command:  LSNRCTL STOP  What would happen to the sessions that are presently connected to the database instance?()A、The sessions are able to perform only queries.B、The sessions are not affected and continue to function normally.C、The active transactions are rolled back and the sessions get terminated.D、The sessions are not allowed to perform any operations till the listener is started.

考题 For which database operation would you need the database to be in the MOUNT state()A、renaming the control filesB、re-creating the control filesC、dropping a user in your databaseD、dropping a tablespace in your databaseE、configuring the database instance to operate in the ARCHIVELOG or NOARCHIVELOG modes

考题 Your database is open and the LISTENER listener is running. The new DBA of the system stops the listener byusing the command:LSNRCTL STOP What happens to the sessions that are presently connected to the database instance()A、The sessions are able to perform only queries.B、The sessions are not affected and continue to function normally.C、The sessions are terminated and the active transactions are rolled back.D、The sessions are not allowed to perform any operations till the listener is started

考题 Your production database uses an Automatic Storage Management (ASM) instance to manage its files.  You want to add a new disk group to the ASM instance to manage the increased data load.  What action would you perform to include the new disk group in the ASM instance without causing any impact on the currently connected users?()A、mount the new disk group in the ASM instanceB、restart the ASM instance and the production database instanceC、register the new disk groups in the production database instanceD、restart the ASM instance without restarting the production database instanceE、include the new disk group in the ASM_DISKSTRING parameter in the parameter file and restart the ASM instance

考题 You created a profile APP_USER and assigned it to the users. After a month, you decide to drop theprofile.Some user sessions are currently connected to the database instance and are using the APP_USERprofile. This command is used to drop the profile: SQL DROP PROFILE app_user;  Which statement describes the result()A、The command produces an error.B、The profile is dropped and current user sessions use the DEFAULT profile immediately.C、The profile is dropped and only the subsequent user sessions use the DEFAULT profile.D、The profile is dropped, the sessions are terminated, and the subsequent user sessions use theDEFAULT profile.

考题 Your database is open and the LISTENER listener is running. The new DBA of the system stops thelistener by using the command:  LSNRCTL STOP  What happens to the sessions that are presently connected to the database instance()A、The sessions are able to perform only queries.B、The sessions are not affected and continue to function normally.C、The sessions are terminated and the active transactions are rolled back.D、The sessions are not allowed to perform any operations till the listener is started.

考题 单选题For which database operation would you need the database to be in the MOUNT state()A renaming the control filesB re-creating the control filesC dropping a user in your databaseD dropping a tablespace in your databaseE configuring the database instance to operate in the ARCHIVELOG or NOARCHIVELOG modes

考题 单选题Users of your web application have requested that they should be able to set the duration of their sessions.So for example, one user might want a webapp to stay connected for an hour rather than the webapp’sdefault of fifteen minutes; another user might want to stay connected for a whole day. Furthermore, youhave a special login servlet that performs user authentication and retrieves the User object from the database. You want to augment this code to set up the user’s specified session duration. Which codesnippet in the login servlet will accomplish this goal?()A User user = // retrieve the User object from the database session.setDurationInterval(user.getSessionDuration());B User user = // retrieve the User object from the database session.setMaxDuration(user.getSessionDuration());C User user = // retrieve the User object from the database session.setInactiveInterval(user.getSessionDuration());D User user=//retrieve the User object from the database session.setDuration(user.getSessionDuratio());E User user = // retrieve the User object from the database session.setMaxInactiveInterval(user.getSessionDuration());

考题 单选题View the Exhibit to examine the output produced by the following query at three different times since thedatabase instance started and has experienced workloads of different capacities:SQL SELECT substr(component, 0, 10) COMP, current_size CS, user_specified_size US FROM v$memory_dynamic_componentsWHERE current_size!=0;What do you infer from this()A The database instance is running with manual PGA management.B The database instance is running with manual shared memory management.C The database instance has the MEMORY_TARGET value set to a nonzero value.D All sessions are connected to the database instance in dedicated mode, and no RMAN or parallel queryoperations have been performed

考题 单选题You plan to control idle sessions that are blocking other sessions from performing transactions. Your requirement is to automatically terminate these blocking sessions when they remain idle for a specified amount of time.  How would you accomplish this task?()A  Set metric thresholdB  Implement Database Resource ManagerC  Enable resumable timeout for user sessionsD  Add directives to Automatic Database Diagnostic Monitor (ADDM)

考题 单选题You work as a database administrator at Certkiller .com. Your production database uses an Automatic Storage Management (ASM) instance to manage its files. You want to add a new disk group to the ASM instance to manage the increased data load. What action would you perform to include the new disk group in the ASM instance without causing any impact on the currently connected users?()A  mount the new disk group in the ASM instanceB  restart the ASM instance and the production database instanceC  register the new disk groups in the production database instanceD  restart the ASM instance without restarting the production database instanceE  include the new disk group in the ASM_DISKSTRING parameter in the parameter file and restart the ASM instance

考题 单选题All the database users are presently connected to the database instance and working. The HR userhas opened three database sessions and executed the following command in one of his sessions: SQL UPDATE persons SET ccode=’U031’ WHERE ccode=’U029’; 123 rows updated.  SQL DELETE FROM persons WHERE exp=’Y’; 3 rows deleted.  The SYS user opens a new session after HR executed the above commands.  Which sessions can seethe effect of the UPDATE and DELETE commands ()A all sessions of the HR user onlyB all sessions of the HR user and the SYS userC the session of the HR user that executed the commandsD all the sessions for which the database users have access privilege to the PERSONS table

考题 单选题Your production database uses an Automatic Storage Management (ASM) instance to manage its files. You want to add a new disk group to the ASM instance to manage the increased data load. What action would you perform to include the new disk group in the ASM instance without causing any impact on the currently connected users?()A mount the new disk group in the ASM instanceB restart the ASM instance and the production database instanceC register the new disk groups in the production database instanceD restart the ASM instance without restarting the production database instanceE include the new disk group in the ASM_DISKSTRING parameter in the parameter file and restart the ASM instance

考题 单选题Your database is open and users are connected using the LISTENER listener. The new DBA of the system stops the listener by using the following command: LSNRCTL STOP  What would happen to the sessions that are presently connected to the database instance?()A The sessions are able to perform only queries.B The sessions are not affected and continue to function normally.C The active transactions are rolled back and the sessions get terminated.D The sessions are not allowed to perform any operations till the listener is started.

考题 单选题You work as a database administrator for Supportcenter.cn. 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 单选题In your database instance, the user sessions are connected to the database server from the remotemachines. You want to achieve the following for these users:  1:The user account must be locked after four unsuccessful login attempts.PASSWORD_LOCK_TIME  2:The user must be prompted to change the password at regular intervals.PASSWORD_LIFE_TIME  3:The user may not have more than three simultaneous sessions.SESSIONS_PER_USER  4:The user session must automatically be logged off if more than 10 minutes elapsed time used.CONNECT_TIME  How would you accomplish the above()A by assigning profiles for the usersB by implementing Fine-Grained Auditing (FGA)C by granting a secure application role to the usersD by implementing the Database Resource Manager plan

考题 单选题You execute the following command in your Certkiller .com production database to change the width of the CUST_NAME column of the CUSTOMERS table: ALTER TABLE customers  MODIFY (cust_nameVARCHAR2 (40)) /  When you execute the command, it displays the following error message:  ERROR at line 1:  ORA-00054: resource busy and acquire with NOWAIT specified  What could be the reason for the error message?()A The database instance is not available.B The ALTER TABLE command does not have WAIT optionC The table or a row in the table is currently locked by another user session.D The database instance is busy processing other user sessions commands.E The CUSTOMERS table has no long running query active at the time when this request is made.F The server process executing the ALTER TABLE command is busy with another command execution

考题 单选题You created a profile APP_USER and assigned it to the users. After a month, you decide to drop theprofile.Some user sessions are currently connected to the database instance and are using the APP_USERprofile. This command is used to drop the profile: SQL DROP PROFILE app_user;  Which statement describes the result()A The command produces an error.B The profile is dropped and current user sessions use the DEFAULT profile immediately.C The profile is dropped and only the subsequent user sessions use the DEFAULT profile.D The profile is dropped, the sessions are terminated, and the subsequent user sessions use theDEFAULT profile.

考题 单选题Your database is open and the LISTENER listener is running. The new DBA of the system stops thelistener by using the command:  LSNRCTL STOP  What happens to the sessions that are presently connected to the database instance()A The sessions are able to perform only queries.B The sessions are not affected and continue to function normally.C The sessions are terminated and the active transactions are rolled back.D The sessions are not allowed to perform any operations till the listener is started.

考题 单选题You plan to control idle sessions that are blocking other sessions from performing transactions. Your requirement is to automatically terminate these blocking sessions when they remain idle for a specified amount of time. How would you accomplish this task?()A Set metric thresholdB Implement Database Resource ManagerC Enable resumable timeout for user sessionsD Add directives to Automatic Database Diagnostic Monitor (ADDM)

考题 单选题Your database is open and the LISTENER listener running. You stopped the wrong listener LISTENER byissuing the following command:lsnrctl STOPWhat happens to the sessions that are presently connected to the database Instance?()A They are able to perform only queries.B They are not affected and continue to function normally.C They are terminated and the active transactions are rolled back.D They are not allowed to perform any operations until the listener LISTENER is started

考题 单选题All the database users are presently connected to the database instance and working. The HR user hasopened three database sessions and executed the following command in one of his sessions:SQL UPDATE persons SET ccode=’U031’ WHERE ccode=’U029’; 123 rows updated.SQL DELETE FROM persons WHERE exp=’Y’;3 rows deleted. The SYS user opens a new session after HR executed the above commands.  Which sessions can see theeffect of the UPDATE and DELETE commands()A All sessions of the HR user onlyB All sessions of the HR user and the SYS userC The session of the HR user that executed the commandsD All the sessions for which the database users have access privilege to the PERSONS table