问题:单选题The database was started up using a text parameter file. What will be the default scope of changes made by using the SET clause of the ALTER SYSTEM statement?()A Only MEMORY is updated.B Only SPFILE values are updated.C Only init.ora parameters are updated.D Both init.ora parameters and SPFILE values are updated.
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问题:单选题Using the command shown here, what time format must you specify to recover the database until a point-in-time?() SQL> RECOVER DATABASE UNTIL TIME ’’;A YYYY-DD-MM:HH24:SS:MI B YYYY-DD-MM:HH24:SS:MM C YYYY-MM-DD:HH24:MI:SS D YYYY-DD-MM:SS:MI:HH24
问题:单选题You would like to create an RMAN recover catalog in which to store information about your DB01 database. You want to use the database named RCDB for the storage of your recovery catalog. The six steps you will follow to create a recover catalog are not displayed in the correct order. Which displays the correct order?() 1. Grant the appropriate privileges (CONNECT and RESOURCE) and roles (RECOVERY_CATALOG_OWNER) to the user responsible for performing backup and recover operations. 2. Register the target database in the catalog. 3. Create the catalog using the RMAN command line interpreter. 4. Create a user and schema which will own the recovery catalog. 5. Create tablespace to hold the catalog in the database you have dedicated for your RMAN recovery catalog. 6. Connect to the target database using SYSDBA privileges.A 4,1,5,6,3,2B 4,3,1,5,6,2C 4,5,1,3,2,6D 5,4,1,3,2,6E 5,4,1,3,6,2
问题:单选题Which of the following statements is NOT true about RMAN?()A It improves usability by enabling you to reuse the scripts to perform recovery operations.B It detects block corruption while restoration and recovery operations.C It enables you to perform block media recovery.D It is capable to recover through unrecoverable operations, with only full database backups.
问题:单选题Users complain SQL statements using a particular index fail. Using DBVERIFY, you find that two separate blocks in the index have become corrupt. The database data files for user data and index are very large. What is the least disruptive recover strategy available in Oracle9i?()A Rebuild the index using the online option. B Take the individual data file offline (not the whole tablespace), restore and recover the data file from backup with RMAN, then set the data file online again. C Without setting the individual data file offline, use RMAN with Block Media Recovery to restore and recover only those blocks. D Take the individual data file (not the whole tablespace) offline, use RMAN with Block Media Recovery to restore and recover only those blocks, then set the data file online again.
问题:单选题What is true if you want to switch undo tablespaces from the current one, called UNDO1, to a new one called UNDO2?()A It is NOT possible to switch unless no active transaction exist in UNDO1. B It is possible to switch to UNDO2; but current active transactions will abort. C It is possible to switch to UNDO2; current active transactions will be automatically migrated to UNDO2. D It is possible to switch to UNDO2; only current active transactions will continue to execute inside UNDO1.
问题:多选题Which two roles or privileges must you have to export tables owned by another user?()ACREATE USERBCREATE SESSIONCCREATE ANY TABLEDIMP_FULL_DATABASEEEXP_FULL_DATABASE
问题:单选题The client connected to the database turns off his or her machine without exiting from a connection to the database. Which type of failure is this?()A mediaB instanceC statementD user process
问题:单选题When you use the Oracle Net Configuration Assistant to specify the naming method, which file is updated?()A INIT.ORAB SQLNET.ORAC LISTENER.ORAD TNSNAMES.ORA
问题:单选题You have performed the first step in placing your database into ARCHIVELOG mode. The second step is deciding whether the online redo log files are to be archived automatically or manually. Which action should you take to enable archiving at instance startup?()AABBCCDD
问题:单选题There is a problem with one of the disks used for your database and your system administrator informs you that the disk needs to be replaced. The replacement disk will not be available until tomorrow. There was only one data file on this disk; it belongs to the USERS tablespace in your PROD database. Your PROD database runs in ARCHIVELOG mode and nightly online backups are taken. The users need to be able to access the data in the USERS tablespace before the replacement disk arrives. You have already taken the USERS tablespace offline and have restored the data file from last night’s backup to a new disk. Which additional steps are required in order to make the USERS tablespace available?()A Only bring the tablespace back online.B Only recover the tablespace and then bring the tablespace back online.C Shut down the database, recover the data file and then start up the database.D Issue the ALTER DATABASE RENAME FILE command, recover the tablespace, and then bring the tablespace online.E Recover the tablespace, issue the ALTER DATABASE RENAME FILE command, and then bring the tablespace online.
问题:单选题Which of the following files can be used to configure connection pooling in the shared server environment?()A INIT.ORAB SQLNET.ORAC TNSNAMES.ORAD SERVICES.ORAE LISTENER.ORA
问题:单选题Your database is set in NOARCHIVELOG mode and is backed up every night. There are 10 redo log groups on the database, each with three members, making a total of 30 redo log files. At lunchtime the server unexpectedly gets shut down. Upon restarting you notice that the data file belonging to the SYSTEM tablespace has become corrupted. You also notice that there have been 15 log switches during the day. Which solution should you use to recover as much committed data as possible?()A Restore the data file for the SYSTEM tablespace then open the database. B Restore all redo logs form last night's backup, then restart the database. C Perform a complete restore of all files from last night's backup. Data entered into the database today must be reentered. D Mount the instance, take the SYSTEM tablespace offline, open the database, and then restore the data file, recover it, and bring the tablespace online.
问题:多选题Oracle Net is responsible for establishing and maintaining the connection between the client application and the server. On the client side, Oracle Net is responsible for which three connectivity issues?()AThe location of the server.BThe Oracle user being connected.CPrivileges and role information.DProtocol involved in the connection.EHow to handle exceptions and interrupts.
问题:多选题Which four occur during the processing of a request using Oracle Shared Server?()AThe dispatcher returns the response to the user.BThe dispatcher places the request into the request queue.CThe shared server places the response in the response queue.DThe response is handed off to the next available dispatcher.EA shared server picks up the request from the request queue and processes the request.
问题:单选题What is the maximum database block size supported for the Oracle9i database?()A 16KBB 32KBC 64KBD 128KB
问题:多选题When a check point occurs the (). (). and () are synchronized.Adata filesBcontrol filesCredo log filesDparameter filesEarchive log files
问题:单选题Why can setting too low a value for the FAST_START_MTTR_TARGET parameter reduce your overall database performance?()A Data blocks have to be written more frequently by DBWR. B Redo blocks have to be written more frequently by LGWR. C You need to substantially increase the size of your database buffer cache to hold the additional checkpoint records. D You need to substantially increase the size of your redo buffer cache to hold the additional checkpoint records.
问题:单选题You are configuring the listener on your server. Which listener.ora parameter contains the information needed to detect session requests from different client types?()A ADDRESS_LISTB SID_NAMEC LISTENERD SERVICE_LIST
问题:单选题When performing recover of a database in NOARCHIVELOG mode with RMAN, the target database must be in the () state to restore the control file.A OPENB IDLEC MOUNTD NOMOUNT