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1z0-043 问题列表
问题
多选题You are performing a block media recovery on the tools01.dbf data file in the SALES database using RMAN. Which two statements are correct in this scenario？（）AYou must ensure that the SALES database is mounted or open.BYou must restore a backup control file to perform a block media recovery.CYou must take the tools01.dbf data file offline before you start a block media recovery.DYou must put the database in NOARCHIVELOG mode to perform a block media recovery.EYou can perform only a complete media recovery of individual blocks， point-in-time recovery of individual data blocks is not supported.
问题
多选题You have created a job class， CUST_JOB_1， with two jobs， CUST_JOB_1_A and CUST_JOB_1_B. Which two statements are true？ （）AThe member jobs would get dropped when the job class is dropped.BBoth the jobs would be executed concurrently.CThe member jobs would get disabled when the job class is dropped.DThe attributes defined at the class level would be applied to both the jobs.EJobs in the job class must have been assigned the same priority.
问题
单选题In Recovery Manager （RMAN）， you set the retention policy to NONE by executing the following command： CONFIGURE RETENTION POLICY TO NONE; What would be the impact of this setting？（）A
The retention policy is cleared.B
RMAN does not consider any backup as obsolete.C
The retention policy is set to its default setting of redundancy 1.D
The retention policy is set to its default setting of recovery window 7.
问题
多选题In your database， all the tablespaces are locally managed. You started Recovery Manager （RMAN） using recovery catalog and restored the control file by using the following command： RMAN RESTORE CONTROLFILE; Which two operations do you need to perform after restoring the control file from backup？（）Ashut down and restart the instanceBadd new tempfiles to the temporary tablespaces after recoveryCperform a media recovery and open the database with the RESETLOGS optionDperform a media recovery and bring the database to NOARCHIVELOG mode
问题
多选题For which two SQL statements can you use the Flashback Table feature to revert a table to its previous state？（）AUPDATE TABLEBCREATE CLUSTERCTRUNCATE TABLEDALTER TABLE MOVEEINSERT INTO···VALUESFALTER TABLE···DROP COLUMNGALTER TABLE···DROP PARTITION
问题
多选题You lost a data file that belongs to an index tablespace in your database， which operates in ARCHIVELOG mode. Loss of the data file resulted in increased response time on your queries. Which two options would you use to solve this problem？ （）ARestore the lost data file from the backup， and then flash back the database.BRestore the data file pertaining to index tablespace， and then recover the tablespace.CRestore all the data files， and then perform an incomplete recovery to get the tablespace back.DRestore all the data files， and then perform an incomplete recovery using the backup control file.EDrop and re-create the index tablespace， and then re-create all of the indexes in that tablespace.
问题
单选题Your database is running on the automatic Program Global Area （PGA） memory management and Shared Memory Management mode. You want to increase the memory available for the SQL work areas. What would you do？（）A
modify the HASH_AREA_SIZE initialization parameterB
modify the PGA_AGGREGATE_TARGET initialization parameterC
modify the WORK_AREASIZE_POLICY initialization parameterD
increase the value of the SGA_TARGET initialization parameterE
increase the value of the SGA_MAX_SIZE initialization parameterF
increase the value of the SORT_AREA_SIZE initialization parameter
问题
单选题The backup retention policy is configured as RECOVERY WINDOW 2. You executed the following command in Recovery Manager （RMAN） against your database： RMAN REPORT OBSOLETE； What would you see in the output？（）A
a list of all those files that have been deleted in the last two daysB
a list of all those files that have been recovered within the last two daysC
a list of all the expired backups and copiesD
a list of backups and copies that are outside the range covered by the current retention policy
问题
单选题Your database is running in the automatic Program Global Area （PGA） memory management and Shared Memory Management mode. You want to increase the memory available for the SQL work areas. What would you do？（）A
modify the HASH_AREA_SIZE initialization parameterB
modify the PGA_AGGREGATE_TARGET initialization parameterC
modify the WORK_AREASIZE_POLICY initialization parameterD
increase the value of the SGA_TARGET initialization parameterE
increase the value of the SGA_MAX_SIZE initialization parameterF
increase the value of the SORT_AREA_SIZE initialization parameter
问题
多选题You are the Database Administrator （DBA） of your company. You execute the following statement on an Oracle 10g instance： SQL ALTER SYSTEM SWITCH LOGFILE； Which two tasks are performed when the statement is executed？ （）AThe DBWn process writes to the datafile.BChanges in the background process are recorded.CThe log file is updated with the current SCN number.DThe System Change Number （SCN） is recorded in the control file.EThe changes to the listener configuration in the listener.ora file are recorded.
问题
单选题You have configured your database to use RMAN for backup and recovery. You must back up the datafile contained in the TS1 tablespace. The size of the datafile in the TS1 tablespace is 200 MB. You issue the following command from the RMAN prompt to perform a backup of the tablespace： RMAN BACKUP TABLESPACE TS1 MAXSETSIZE 100M； Which statement is true about executing this command？（）A
The command generates an error.B
The command backs up the tablespace and creates a backup set of size 200 MBC
The command backs up the tablespace and creates two backup sets of size 100 MB each.D
The command backs up the tablespace and creates a backup set with backup pieces of size 100 MB each.
问题
单选题Which type of PL/SQL construct would you use to automatically correct the error resulting from a statement that was suspended due to a space-related problem？（）A
functionsB
packageC
procedureD
database triggerE
anonymous PL/SQL block
问题
单选题One of the tablespaces is read/x7fonly in your database. The loss of all control files forced you to re/x7fcreate the control file. Which operation do you need to perform after re/x7fcreating the control file and opening the database？（）A
drop and recreate the readonly tablespacesB
rename the readonly data files to their correct file namesC
change the tablespace status from read/write to readonlyD
recreate the readonly tablespace because it is automatically removed
问题
单选题You were recently hired by an organization as a database administrator. You are asked to find out whether the currently functional listener process， named L1， has been password protected or not. You are not familiar with the file system of the new organization. How would you accomplish the task？（）A
by using the STATUS command of the Listener control utilityB
by using the STATUS L1 command of the Listener control utilityC
by using the SHOW RULES command of the Listener control utilityD
by using the SET PASSWORD command of the Listener control utilityE
by searching for the PASSWORD_LISTENER entry in the listener.ora file
问题
单选题You are using Oracle Enterprise Manager to estimate the size of a table to be created. You have typed data regarding the column names， data types， sizes of the columns， and the projected number of rows in the table. Which additional information does the Oracle Enterprise Manager return？（）A
space allocated in the tablespaceB
space required for the bitmap index on a column of the tableC
space remaining in the tablespace after creating the tableD
estimated value of the PCTFREE storage parameter