单选题What is the maximum database block size supported for the Oracle9i database?()A 16KBB 32KBC 64KBD 128KB

题目
单选题
What is the maximum database block size supported for the Oracle9i database?()
A

16KB

B

32KB

C

64KB

D

128KB

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相似问题和答案

第1题:

地面信息处理插件采用高速程序存储器,存储器容量不小于()。

  • A、16KB
  • B、32KB
  • C、64KB
  • D、128KB

正确答案:B

第2题:

The DB_BLOCK_CHECKING initialization parameter is set to FALSE. What level of block checking would be performed?()

  • A、 The Oracle database will not perform block checking for any of the data blocks.
  • B、 The Oracle database will perform block checking for the default permanent tablespace only. 
  • C、 The Oracle database will perform block checking for the data blocks in all user tablespaces.
  • D、 The Oracle database will perform block checking for the data blocks in the SYSTEM tablespace only.
  • E、 The Oracle database will perform block checking for the data blocks in the SYSTEM and SYSAUX tablespaces.

正确答案:D

第3题:

PentiumII的L1Cache有多大()。

  • A、16KB
  • B、32KB
  • C、64KB
  • D、128KB

正确答案:B

第4题:

What is the maximum database block size supported for the Oracle9i database?()

  • A、16KB
  • B、32KB
  • C、64KB
  • D、128KB

正确答案:B

第5题:

Automatic Shared Memory Management (ASMM) has been enabled for your database instance.  Theinitialization parameters for the components that are managed by ASMM are not set. After observing theeffects of ASSM, you executed the following command: SQL> ALTER SYSTEM SET DB_CACHE_SIZE = 100M;  Which statement is true in this scenario()

  • A、The minimum memory size for the database buffer cache is set to 100 mb.
  • B、The maximum memory size that can be obtained by the database buffer cache during ASMM is set to100 mb
  • C、The minimum memory size allocated for a server process in the database buffer cache in dedicatedmode is set to 100 mb.
  • D、The maximum memory size from the database buffer cache that can be released for dynamicdistribution during ASMM is set to 100 mb

正确答案:A

第6题:

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.

正确答案:A

第7题:

The datafiles of your database are ASM files. You are performing a check for datafile block corruption by using the DBVERIFY utility.   What is a prerequisite for checking block corruption on an ASM datafile by using the DBVERIFY utility?()  

  • A、 The block change tracking feature must be enabled.
  • B、 OMF must be configured on your database.
  • C、 The database must be in ARCHIVELOG mode.
  • D、 A USERID must be supplied.

正确答案:D

第8题:

8086的I/O地址空间采用16位数寻址时,可访问的端门数容量为()。

  • A、16KB
  • B、32KB
  • C、64KB
  • D、1MB

正确答案:C

第9题:

The DB_BLOCK_CHECKING initialization parameter is set to OFF. Which block checking would be performed?()  

  • A、 The Oracle database will perform block checking for the index blocks only
  • B、 The Oracle database will not perform block checking for any of the data blocks
  • C、 The Oracle database will perform block checking for the default permanent tablespace only
  • D、 The Oracle database will perform block checking for the data blocks in all user tablespaces
  • E、 The Oracle database will perform block checking for the data blocks in the SYSTEM tablespace only

正确答案:E

第10题:

You have configured OMF in your database. You enabled the ALTER DATABASE ENABLE BLOCK CHANGE TRACKING; statement to enable the block change tracking feature.  What information will be written in the change tracking file?()

  • A、 the system change number
  • B、 the locations of the redo log files
  • C、 the locations of the datafiles
  • D、 the physical location of all the database changes

正确答案:D

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