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单选题
You have included the following parameter setting in your server parameter file:       PGA_AGGREGATE_TARGET = 800M        SORT_AREA_SIZE = 100M        HASH_AREA_SIZE = 100M        BITMAP_MERGE_AREA_SIZE = 100M        CREATE_BITMAP_AREA_SIZE = 100M   Which statement is true?()
A

 All the *_AREA_SIZE parameters are ignored.

B

 The Automatic PGA Memory Management feature cannot be disabled.

C

 The total Program Global Area (PGA) memory cannot be manually increased above 800M.

D

 The total memory for the PGA can automatically exceed 800M using the Automatic PGA Memory Management feature.


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更多 “单选题You have included the following parameter setting in your server parameter file:       PGA_AGGREGATE_TARGET = 800M        SORT_AREA_SIZE = 100M        HASH_AREA_SIZE = 100M        BITMAP_MERGE_AREA_SIZE = 100M        CREATE_BITMAP_AREA_SIZE = 100M   Which statement is true?()A  All the *_AREA_SIZE parameters are ignored.B  The Automatic PGA Memory Management feature cannot be disabled.C  The total Program Global Area (PGA) memory cannot be manually increased above 800M.D  The total memory for the PGA can automatically exceed 800M using the Automatic PGA Memory Management feature.” 相关考题
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考题 单选题You want to enable automatic PGA memory management in your database. Which setting is required to achieve this?()A  Set MEMORY_TARGET to zeroB  Set the STATISTICS_LEVEL parameter to BASICC  Set the WORKAREA_SIZE_POLICY parameter to MANUALD  Set the PGA_AGGREGATE_TARGET parameter to nonzero value

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考题 单选题You are using an Automatic Storage Management (ASM) instance to manage the files of your production database. While studying the parameter file of the ASM instance, you find the following entry:  ASM_DISKSTRING = /devices/*  What could be the reason for this setting?()A to enable the ASM instance to identify the alert log fileB to enable the ASM instance to identify the server parameter fileC to enable the ASM instance to define the locations for Oracle Managed Files (OMF)D to enable the ASM instance to identify all disks that can be accessed by it in the /devices directory

考题 单选题You have the following requirements in relation to the detection of block corruption for your database instance:   Check for logical self-consistency of data blocks when modified in memory.  Checksums are calculated before and after the block change.  Checks are performed for the lost writes to the physical standby database.   Which method would help you perform the above checks automatically?()A  Set the DB_SECUREFILE parameter to PERMITTEDB  Set the DB_ULTRA_SAFE parameter to DATA_ONLYC  Set the DB_LOCK_CHECKSUM parameter to TYPICALD  Set the DB_LOST_WRITE_PROTECT parameter to TYPICAL

考题 单选题You are using an Automatic Storage Management (ASM) instance to manage the files of your production database. You have two disk groups, DG1 and DG2, with one device each. In the parameter file of the production database, the following parameters have been specified: DB_CREATE_ONLINE_LOG_DEST_1 = ’+dg1’  DB_CREATE_ONLINE_LOG_DEST_2 = ’+dg2’  What would be the impact of this setting?()A When a new log group is added, it would have one member in each disk group.B When a new log group is added, it would have two members in each disk group.C When a new tablespace is added, it would have one data file in each disk group.D When a new log file is added, it would have one member spread across the disk groups.

考题 单选题You are maintaining the PROD database of TeleSoft Corporation. You have initialized the following DB_BLOCK_CHECKING parameter in the init.ora file:  DB_BLOCK_CHECKING = TRUE;  What will be the result of setting this parameter?()A  Only data blocks of the SYSTEM tablespace will be checked.B  Only data blocks of the SYSAUX tablespace will be checked.C  A checksum will occur only on the checkpoint.D  A checksum will occur every time a block is modified.

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 ()him so closely; you should have kept your distance.A shouldn’tfollowB mustn’tfollowC couldn’t have been followingD shouldn’t have been following