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 p

第1题：

The database instance has the following parameter setting： OS_AUTHENT_PREFIX = OPS$ OS_ROLES = FALSE  REMOTE_OS_AUTHENT = FALSE REMOTE_OS_ROLES = FALSE TIMED_OS_STATISTICS = 0  You have a local operating system user SKD. You create a database user OPS$SKD， and then  assignexternal authentication. The user OPS$SKD has the CREATE SESSION privilege.  What would youachieve by the above process（）

• A、The database user OPS$SKD will be able to administer the database.
• B、The authentication detail for the database user OPS$SKD is recorded in the password file.
• C、The local operating system user SKD will be able to access the database instance without specifying the username and password.
• D、The database user OPS$SKD has to login with the password of the local operating system user SKD to access the database instance.

第2题：

You work in a company which is named Wiikigo Corp. The company uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. There is a database named DB1 in the instance. DB1 is available to a Windows group which is named WIIKIGO/Supervisors. A Windows user named User1 is a member of the WIIKIGO/Supervisors group. WIIKIGO/Supervisors is a member of the db_owner role in the DB1 database. You must make sure that the SQL Server instance is available to User1. In the DB1 database, which Transact-SQL statement(s) should you execute?（）  

• A、 DROP LOGIN "WIIKIGO/User1"; 
• B、 EXEC dbo.sp_droprolemember 'db_owner', 'WIIKIGO/User1';
• C、 EXEC dbo.sp_revokedbaccess 'WIIKIGO/User1';EXEC dbo.sp_revokelogin 'WIIKIGO/User1'; 
• D、 CREATE LOGIN "WIIKIGO/User1" FROM Windows;DENY CONNECT SQL TO "WIIKIGO/User1";

第3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 only
• B、All sessions of the HR user and the SYS user
• C、The session of the HR user that executed the commands
• D、All the sessions for which the database users have access privilege to the PERSONS table

第4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.

第5题：

The database instance has the following parameter setting： OS_AUTHENT_PREFIX = OPS$ OS_ROLES = FALSE REMOTE_OS_AUTHENT = FALSE REMOTE_OS_ROLES = FALSE TIMED_OS_STATISTICS = 0 You have a local operating system user SKD.You create a database user OPS$SKD， and then assign external authentication. The user OPS$SKD has theCREATE SESSION privilege.  What would you achieve by the above process（）

• A、The database user OPS$SKD will be able to administer the database.
• B、The authentication detail for the database user OPS$SKD is recorded in the password file.
• C、The local operating system user SKD will be able to access the database instance without specifying theusername and password.
• D、The database user OPS$SKD has to login with the password of the local operating system user SKD toaccess the database instance.

第6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.

第7题：

While setting up the database for your production environment， you want to create a user with following requirements.   1.The objects created by the user must be stored in a tablespace， TBS1， if the  TABLESPACE option is not defined during the object creation.   2.The user should be able to use 10MB of space in the tablespace TBS1.   3.The user must change the password immediately after logging in for the first time.   Which three options of the CREATE USER command would you use to achieve this objective？（）

• A、profile
• B、account lock
• C、account unlock
• D、password expire
• E、quota 10MB on TBS1
• F、password never expire
• G、default tablespace TBS1
• H、quota unlimited on TBS1
• I、temporary tablespace TEMP
• J、temporary tablespace SYSTEM

第8题：

You work in a company which uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of two SQL Server 2008 instance. The two instances are respectively named InstanceA and InstanceB. There is a database named Dworks on InstanceA. You move the Dworks database to InstanceB. A user use a SQL Server login named Mary to access the database on InstanceA with the password "Tk@87#34". On InstanceB, you create the same SQL Server login. The user tries to use the SQL Server login Mark to access the Dworks database on InstanceB. But the user gets an error message, according to the indication of the message, the access to the Dworks database has been denied. You must make sure that the user can access the Dworks database on InstanceB successfully.  So on InstanceB, which Transact-SQL statements should you execute?（）  

• A、USE AdventureWorks;ALTER USER Mary WITH LOGIN = Mary; 
• B、USE AdventureWorks;ALTER LOGIN Mary ENABLE; 
• C、USE AdventureWorks;ALTER LOGIN Mary WITH PASSWORD = "Tk@87#34" UNLOCK; 
• D、USE AdventureWorks;ALTER LOGIN Mary WITH DEFAULT_DATABASE = AdventureWorks;

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第13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（））；

第14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 only
• B、all sessions of the HR user and the SYS user
• C、the session of the HR user that executed the commands
• D、all the sessions for which the database users have access privilege to the PERSONS table

第15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.

第16题：

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.

第17题：

You are administering a database and you receive a requirement to apply the following restrictions: 1. A connection must be terminated after four unsuccessful login attempts by user. 2. A user should not be able to create more than four simultaneous sessions. 3. User session must be terminated after 15 minutes of inactivity. 4. Users must be prompted to change their passwords every 15 days. How would you accomplish these requirements?（）

• A、by granting a secure application role to the users
• B、by creating and assigning a profile to the users and setting the REMOTE_OS_AUTHENT parameter to false
• C、By creating and assigning a profile to the users and setting the SEC_MAX_FAILED_LOGIN_ATTEMPTS parameter to 4
• D、By Implementing Fine-Grained Auditing (FGA) and setting the REMOTE_LOGIN_PASSWORD_FILE parameter to none.
• E、By implementing the database resource Manager plan and setting the SEC_MAX_FAILED_LOGIN_ATTEMPTS parameters to 4.

第18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

第19题：

To accomplish user-managed backup for the USERS tablespace, you issued the following command to put the database in backup mode: SQL> ALTER TABLESPACE users BEGIN BACKUP; While copying the file to the backup destination a power outage caused the instance to terminate abnormally. Which statement is true about the next database startup and the USERS tablespace?（）

• A、The database will open, and the tablespace automatically comes out of the backup mode
• B、The database will be mounted, and recovery must be performed on the USERS tablespace.
• C、The database will be mounted, and data files in the USERS tablespace must be taken out of the backup mode.
• D、The database will not be mounted, and you must restore all the data files for the USERS tablespace from the backup, and perform recovery.

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