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HDFS默认Block Size的大小是( )。
A.32MB
B.64MB
C.128MB
D.256M
参考答案
更多 “ HDFS默认Block Size的大小是( )。 A.32MBB.64MBC.128MBD.256M ” 相关考题
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数据块是Oracle数据库读／写数据的最小存储单元,它的大小由初始化参数db_block_size决定,在Oracle数据库创建时就决定了db_block_size的值。
A．错误B．正确
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在信道编码中，码块分段时最大的码块大小为Z的值为『____』。(In channel coding,Maximum code block size Z-value is『____』.)
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APG网元计费出现拥塞的时候，一般那几个SIZE会迅速增大？（）A、SAE=500，BLOCK=CHOFB、SAE=604，BLOCK=CHOFC、SAE=500，BLOCK=CHOPD、SAE=604，BLOCK=CHOP
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A system administrator is attempting to restore some files from a backup tape. The restore failed. The system administrator suspects the block size of the tape drive is incorrect. Which of the following commands can be used to determine the block size of the backup tape？（）A、ddB、tarC、cpioD、restore
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A specialist is monitoring performance on a server. The data is on another partition within the same array as the OS. The following information is available： （1）The average record written to disk is 16KB （2）The I/O block size is 2KB （3）The stripe size on the RAID array is 16KB Which of the following will improve performance without rebuilding the operating system？（）A、Change the I/O block size to match the RAID Stripe size.B、Change the RAID stripe size to match the I/O block size.C、Change the record size of the database to match the RAID stripe size.D、Change the record size of the database to match the I/O transfer rate.
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The database has the data block size set to 8 KB. You need to import a tablespace with a 4 KB block size into the database. Which additional memory parameter（s） should be configured to perform a transportable tablespace import？（）A、 DB_4K_CACHE_SIZE onlyB、 DB_8K_CACHE_SIZE onlyC、 DB_BLOCK_SIZE and DB_4K_CACHE_SIZED、 DB_BLOCK_SIZE and DB_8K_CACHE_SIZEE、 SGA_TARGET and DB_4K_CACHE_SIZEF、 DB_CACHE_SIZE only
考题
Your database block size is 4 KB. In this database， you are required to create a tablespace with a block size of 8 KB. Which is the prerequisite for creating this tablespace？（）A、 The parameter DB_CACHE_SIZE must be a multiple of 8.B、 The value of the parameter SGA_MAX_SIZE must be increased.C、 The tablespace must be created with a uniform extent size of 8 KBD、 The parameter DB_8K_CACHE_SIZE must be defined in the parameter file.
考题
单选题The database has the data block size set to 8 KB. You need to import a tablespace with a 4 KB block size into the database. Which additional memory parameter（s） should be configured to perform a transportable tablespace import？（）A
DB_4K_CACHE_SIZE onlyB
DB_8K_CACHE_SIZE onlyC
DB_BLOCK_SIZE and DB_4K_CACHE_SIZED
DB_BLOCK_SIZE and DB_8K_CACHE_SIZEE
SGA_TARGET and DB_4K_CACHE_SIZEF
DB_CACHE_SIZE only
考题
单选题Your database block size is 4 KB. In this database， you are required to create a tablespace with a block size of 8 KB. Which is the prerequisite for creating this tablespace？（）A
The parameter DB_CACHE_SIZE must be a multiple of 8.B
The value of the parameter SGA_MAX_SIZE must be increased.C
The tablespace must be created with a uniform extent size of 8 KBD
The parameter DB_8K_CACHE_SIZE must be defined in the parameter file.
考题
判断题数据块是Oracle数据库读/写数据的最小存储单元，它的大小由初始化参数db_block_size决定，在Oracle数据库创建时就决定了db_block_size的值。A
对B
错
考题
单选题FusionInsight HD系统中HDFS的Block默认保存几份？（）A
3份B
2份C
1份D
不确定
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