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多选题
Examine the parameters for your database instance: Which three statements are true about the process of automatic optimization by using cardinality feedback?（）
A
The optimizer automatically changes a plan during subsequent execution of a SQL statement if there is a huge difference in optimizer estimates and execution statistics.
B
The optimizer can re optimize a query only once using cardinality feedback.
C
The optimizer enables monitoring for cardinality feedback after the first execution of a query.
D
The optimizer does not monitor cardinality feedback if dynamic sampling and multicolumn statistics are enabled.
E
After the optimizer identifies a query as a re-optimization candidate, statistics collected by the collectors are submitted to the optimizer.
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更多 “多选题Examine the parameters for your database instance: Which three statements are true about the process of automatic optimization by using cardinality feedback?（）AThe optimizer automatically changes a plan during subsequent execution of a SQL statement if there is a huge difference in optimizer estimates and execution statistics.BThe optimizer can re optimize a query only once using cardinality feedback.CThe optimizer enables monitoring for cardinality feedback after the first execution of a query.DThe optimizer does not monitor cardinality feedback if dynamic sampling and multicolumn statistics are enabled.EAfter the optimizer identifies a query as a re-optimization candidate, statistics collected by thecollectors are submitted to the optimizer.” 相关考题
考题
You set the following parameters in the parameter file and restarted the database:Which two statements are true regarding these parameters after the database instance is restarted?()
A. The MEMORY_MAX_TARGET parameter is automatically set to 500 MBB. The value of the MEMORY_MAX_TARGET parameter remains zero till it is changed manuallyC. The PGA_AGGREGATE_TARGET and SGA_TARGET parameters are automatically set to zeroD. The lower bounds of PGA_AGGREGATE_TARGET and SGA_TARGET parameters are set to 90 MB and 270 MB, respectively
考题
View the Exhibit to examine the parameters set for your database instance.You execute the following command to perform I/O calibration after the declaration of bind variables in the session that are used in the command:Which statement describes the consequence?（）A. The command produces an error.B. The calibration process runs successfully and populates all the bind variables.C. The calibration process runs successfully but the latency time is not computed.D. The calibration process runs successfully but only the latency time is computed.Only users with the SYSDBA privilege can run this procedure. Qualified users must also turn on timed_statistics, and ensure asynch_io is enabled for datafiles.
考题
Examine the exhibit to view the parameters set in your parameter file. (Click the Exhibit(s) button.)You restart the instance.To what value will the MEMORY_MAX_TARGET parameter be set by default?()
A.120MB.320MC.480MD.600M
考题
View the Exhibit to examine the parameter values.You are planning to set the value for the MEMORY_TARGET parameter of your database instance.What value would you recommend?()
A. 90 MBB. 272 MBC. 362 MBD. 1,440 MB
考题
Examine the following parameters for a database instance: MEMORY_MAX_TARGET=0MEMORY_TARGET=0SGA_TARGET=0PGA_AGGREGATE_TARGET=500mWhich three initialization parameters are not controlled by Automatic Shared Memory Management (ASMM)?（）A. LOG_BUFFERB. SORT_AREA_SIZEC. JAVA_POOL_SIZED. STREAMS_POOL_SIZEE. DB_16K_CACHE_SZIEF. DB_KEEP_CACHE_SIZE
考题
You work as a database administrator for Supportcenter.cn. The database is open. A media failure has occurred， resulting in loss of all the control files in your database. Which statement regarding the database instance is true in this scenario？（）A、The instance would hang.B、The instance needs to be shut down.C、The instance would be in the open state.D、The instance would abort in such cases.E、The instance would be in the open and invalid state.F、The instance would in the open state， but all the background processes will be restarted.
考题
You specify a nonzero value for the MEMORY_TARGET initialization parameter，but do not set the PGA_AGGREGATE_TARGET or the SGA_TARGET parameters. You restart your database instance. Which statement about the result is true？（）A、 The database instance starts，and Oracle sets the default value of SGA_TARGET to the same value as SGA_MAX_SIZEB、 The database instance starts，and Oracle automatically tunes memory and allocates 60 percent to the SGA and 40 percent to the PGAC、 The database instance starts，but Automatic Memory Management is disabledD、 The database instance will not start because you did not specify the PGA_AGGREGATE_TARGET or SGA_TARGET parameter
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
In your production database you want to use an Automatic Storage Management （ASM） instance to manage the database files. Which option would you use to migrate the database files from a non-ASM instance to an ASM instance？（）A、Oracle Migration AssistantB、Recovery Manager （RMAN）C、Oracle Data Pump Export and ImportD、conventional Oracle Export and ImportE、operating system utilities to copy the files to the ASM instance
考题
Examine the values for the following initialization parameters： FAST_START_MTTR_TARGET = 0LOG_CHECKPOINT_INTERVAL = 0 Which two will be the implications of these values in your database（）A、The SGA advisor will be disabled.B、The MTTR advisor will be disabled.C、Automatic checkpoint tuning will be disabled.D、Checkpoint information will not be written to the alert log file.
考题
You are managing a single instance Oracle 10g database that utilizes the following parameters： Which of the following set of commands must you execute to enable Flashback Database？（）A、 STARTUP MOUNT EXCLUSIVE ALTER DATABASE FLASHBACK ON； ALTER DATABASE OPEN；B、 STARTUP MOUNT ALTER DATABASE FLASHBACK ON； ALTER DATABASE OPEN RESETLOGS；C、 STARTUP MOUNT EXCLUSIVE ATLER DATABASE ARCHIVELOG； ALTER DATABASE FLASHBACK ON； ALTER DATABASE OPEN RESETLOGS；D、 STARTUP MOUNT ALTER DATABASE ARCHIVELOG； ALTER DATABASE FLASHBACK ON； ALTER DATABASE OPEN；
考题
You have a single Automatic Storage Management （ASM） instance running on the node on which your Oracle Database 10g resides. Which ASM instance initialization parameters must be included in the ASM instance initialization parameter file？（）A、 INSTANCE_TYPEB、 DB_UNIQUE_NAMEC、 ASM_DISKSTRINGD、 ASM_POWER_LIMIT
考题
Examine the parameters for your database instance: Which three statements are true about the process of automatic optimization by using cardinality feedback?（）A、The optimizer automatically changes a plan during subsequent execution of a SQL statement if there is a huge difference in optimizer estimates and execution statistics.B、The optimizer can re optimize a query only once using cardinality feedback.C、The optimizer enables monitoring for cardinality feedback after the first execution of a query.D、The optimizer does not monitor cardinality feedback if dynamic sampling and multicolumn statistics are enabled.E、After the optimizer identifies a query as a re-optimization candidate, statistics collected by thecollectors are submitted to the optimizer.
考题
Your database instance is running. You are not able to access Oracle Enterprise Manager Database Control because the listener is not started. Which tool or utility would you use to start the listener？（）A、 Oracle Net ManagerB、 Listener Control utilityC、 Database Configuration AssistantD、 Oracle Net Configuration Assistant
考题
单选题n your production database you want to use an Automatic Storage Management （ASM） instance to manage the database files. Which option would you use to migrate the database files from a non-ASM instance to an ASM instance？（）A
Oracle Migration AssistantB
Recovery Manager （RMAN）C
Oracle Data Pump Export and ImportD
conventional Oracle Export and ImportE
operating system utilities to copy the files to the ASM instance
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
多选题Examine the following parameters for a database instance: MEMORY_MAX_TARGET=0 MEMORY_TARGET=0 SGA_TARGET=0 PGA_AGGREGATE_TARGET=500m Which three initialization parameters are not controlled by Automatic Shared Memory Management (ASMM)?（）ALOG_BUFFERBSORT_AREA_SIZECJAVA_POOL_SIZEDSTREAMS_POOL_SIZEEDB_16K_CACHE_SZIEFDB_KEEP_CACHE_SIZE
考题
单选题Examine the exhibit to view the parameters set in your parameter file. (Click the Exhibit(s) button.) You restart the instance. To what value will the MEMORY_MAX_TARGET parameter be set by default?（）A
120MB
320MC
480MD
600M
考题
单选题Examine the parameter setting in your database: Which statement is correct about the database?（）A
Automatic memory management is disabled because PGA_AGGREGATE_TARGET and SGA_TARGET are not setB
The instance is started but the database will not be opened until PGA_AGGREGATE_TARGET and SGA_TARGET are setC
The database is opened but users cannot perform transactions until PGA_AGGREGATE_TARGET and SGA_TARGET are setD
Automatic memory management is enabled and, as per policy, 60% of the memory for System Global Area (SGA) and 40% of the memory for Program Global Area (PGA) will be distributed at startup
考题
单选题You work as a database administrator for Supportcenter.cn. The database is open. A media failure has occurred， resulting in loss of all the control files in your database. Which statement regarding the database instance is true in this scenario？（）A
The instance would hang.B
The instance needs to be shut down.C
The instance would be in the open state.D
The instance would abort in such cases.E
The instance would be in the open and invalid state.F
The instance would in the open state， but all the background processes will be restarted.
考题
多选题Examine the values for the following initialization parameters： FAST_START_MTTR_TARGET = 0LOG_CHECKPOINT_INTERVAL = 0 Which two will be the implications of these values in your database（）AThe SGA advisor will be disabled.BThe MTTR advisor will be disabled.CAutomatic checkpoint tuning will be disabled.DCheckpoint information will not be written to the alert log file.
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 production database you want to use an Automatic Storage Management （ASM） instance to manage the database files. Which option would you use to migrate the database files from a non/x7fASM instance to an ASM instance？（）A
Oracle Migration AssistantB
Recovery Manager （RMAN）C
Oracle Data Pump Export and ImportD
conventional Oracle Export and ImportE
operating system utilities to copy the files to the ASM instance
考题
单选题You want an ASM instance to manage the files of your database. To achieve this objective， you specify the following parameters in the parameter file of the database： INSTANCE_TYPE = RDBMS DB_NAME = PROD LARGE_POOL_SIZE = 8MB DB_BLOCK_SIZE = 4K LOG_ARCHIVE_DEST = +dgroupA LOG_ARCHIVE_FORMAT = "$ORACLE_SID_%s_%t.%t" DB_CREATE_FILE_DEST = +dgroupA COMPATIBLE = 10.1.0.2.0 CONTROL_FILES = +dgroupA Which parameter would be ignored while starting up the instance for the database PROD？（）A
DB_BLOCK_SIZEB
CONTROL_FILESC
LARGE_POOL_SIZED
LOG_ARCHIVE_DESTE
LOG_ARCHIVE_FORMATF
DB_CREATE_FILE_DEST
考题
单选题You specify a nonzero value for the MEMORY_TARGET initialization parameter, but do not set the PGA_AGGREGATE_TARGET or the SGA_TARGET parameters. You restart your database instance. Which statement about the result is true?（）A
The database instance starts, and Oracle sets the default value of SGA_TARGET to the same value as SGA_MAX_SIZEB
The database instance starts, and Oracle automatically tunes memory and allocates 60 percent to the SGA and 40 percent to the PGAC
The database instance starts, but Automatic Memory Management is disabledD
The database instance will not start because you did not specify the PGA_AGGREGATE_TARGET or SGA_TARGET parameter
考题
单选题You have a single Automatic Storage Management （ASM） instance running on the node on which your Oracle Database 10g resides. Which ASM instance initialization parameters must be included in the ASM instance initialization parameter file？（）A
INSTANCE_TYPEB
DB_UNIQUE_NAMEC
ASM_DISKSTRINGD
ASM_POWER_LIMIT
考题
单选题You work in a company which uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. Now you get an order from your company CIO， you have to identify whether a database integrity check （DBCC CHECKDB） was run for a particular database. Which log file should you examine？（）A
log.trc B
default.trc C
ERRORLOG D
SQLAGENT
考题
多选题Examine the following parameters for a database instance: MEMORY_MAX_TARGET=0 MEMORY_TARGET=0 SGA_TARGET=0 PGA_AGGREGATE_TARGET=500m Which three initialization parameters are not controlled by Automatic Shared Memory Management (ASMM)?（）ALOG_BUFFERBSORT_AREA_SIZECJAVA_POOL_SIZEDSTREAMS_POOL_SIZEEDB_16K_CACHE_SZIEFDB_KEEP_CACHE_SIZE
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