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单选题
In relation to the system’s Logical Memory Block （LMB） size， when creating an LPAR using Integrated Virtualization Manager （IVM）， what is the largest allocation of memory allowed？（）
A
128MB
B
256MB
C
512MB
D
1024MB
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Which of the following statements best describes the relationship between a logical volume and a journaled file system (JFS)?()
A.Increasing the size of a logical volume also increases the size of the file systemB.Reducing the size of a logical volume requires reducing the size of the file system firstC.Increasing the size of a file system requires increasing the size of the logical volume firstD.Increasing the size of a file system also increases the size of the logical volume when necessary
考题
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In relation to the system’s Logical Memory Block （LMB） size， when creating an LPAR using Integrated Virtualization Manager （IVM）， what is the largest allocation of memory allowed？（）A、 128MBB、 256MBC、 512MBD、 1024MB
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An administrator wants to test the performance of an application at different memory sizes. What is the most effective way to perform the test and collect statistical information for each test？（） A、Run DLPAR to change the LPAR memory for each test.B、Run rmss command to simulate different memory for each test.C、Run chdev command to limit the system memory size for each test.D、Run chattr command to limit the system memory size for each test.
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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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Where can a system administrator find information regarding configured physical volumes， volume groups， and logical volumes besides the Volume Group Descriptor Area （VGDA）？（）A、/etc/filesystemsB、/etc/environmentC、Object Data Manager （ODM）D、Logical Volume Control Block （LVCB）
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You have taken a Logical Volume Manager (LVM) snapshot backup of a volume that contains the MySQL data directory. Why is it important to remove snapshots after completing a RAW backup in this way?（）A、The snapshot size will continue to grow as changes to the volume are madeB、The snapshots take a significant amount of disk space as they are a duplicate copy of the dataC、The system can only support one snapshot per volume, and you need to remove it to be able to take your next backupD、The system keeps a copy of changes in memory and can cause an out of memory event
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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
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You have executed this command to change the size of the database buffer cache： SQL ALTER SYSTEM SET DB_CACHE_SIZE=2516582； System altered. To verify the change in size， you executed this command：SQL SHOW PARAMETER DB_CACHE_SIZENAME TYPE VALUE ------------------- ----------- ------------------ db_cache_size big integer 4194304 Why is the value set to 4194304 and not to 2516582（）A
Because 4194304 is the granule sizeB
Because 4194304 is the standard block sizeC
Because 4194304 is the largest nonstandard block size defined in the databaseD
Because 4194304 is the total size of data already available in the database buffer cache
考题
单选题A System p administrator is looking at changing attributes of a logical volume. Which of the following must be defined when it is created（）A
placement of the logical volumeB
stripe size of the logical volumeC
inter-disk policy of the logical volumeD
intra-disk policy of the logical volume
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单选题You have the following requirements in relation to the detection of block corruption for your database instance: 1. Check for logical self-consistency of data blocks when modified in memory. 2. Checksums are calculated before and after the block change. 3. 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 have executed this command to change the size of the database buffer cache： SQL ALTER SYSTEM SET DB_CACHE_SIZE=2516582； System altered. To verify the change in size， you executed this command：SQL SHOW PARAMETER DB_CACHE_SIZENAME TYPE VALUE ------------------- ----------- ------------------ db_cache_size big integer 4194304 Why is the value set to 4194304 and not to 2516582（）A
Because 4194304 is the granule sizeB
Because 4194304 is the standard block sizeC
Because 4194304 is the largest nonstandard block size defined in the databaseD
Because 4194304 is the total size of data already available in the database buffer cache
考题
单选题You have executed this command to change the size of the database buffer cache： SQL ALTER SYSTEM SET DB_CACHE_SIZE=2516582； System altered. To verify the change in size， you executed this command： SQL SHOW PARAMETER DB_CACHE_SIZE NAME TYPE VALUE ------------------- ----------- ------------------ db_cache_size big integer 4194304 （4M） Why is the value set to 4194304 and not to 2516582（）A
because 4194304 is the granule sizeB
because 4194304 is the standard block sizeC
because 4194304 is the largest nonstandard block size defined in the databaseD
because 4194304 is the total size of data already available in the database buffer cache
考题
单选题A system administrator is creating four LPARs on a Power 550. The Power 550 has 64GB of memoryinstalled and 32GB activated. The system administrator sets the minimum dedicated memory to 8GB in the profile for each LPAR. After activating three LPARs, he is not able to activate the fourth LPAR. What is the likely cause of the problem?（）A
The Power 550 is licensed for three LPARs only.B
There is not enough memory to meet the minimum dedicated memory requirement for the fourth LPAR. A faulty memory DIMM is detected in the POWER5 550.C
There is not enough memory to meet the minimum dedicated memory requirement for the fourth LPAR. The HMC reserves some memory toperform logical partition tasks.D
There is not enough memory to meet the minimum dedicated memory requirement for the fourth LPAR. The hypervisor reserves some memory to perform logical partition tasks.
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 have taken a Logical Volume Manager (LVM) snapshot backup of a volume that contains the MySQL data directory. Why is it important to remove snapshots after completing a RAW backup in this way?（）A
The snapshot size will continue to grow as changes to the volume are madeB
The snapshots take a significant amount of disk space as they are a duplicate copy of the dataC
The system can only support one snapshot per volume, and you need to remove it to be able to take your next backupD
The system keeps a copy of changes in memory and can cause an out of memory event
考题
单选题The SPFILE for the PROD database specifies the following initialization parameter values： SGA_TARGET = 2G DB_8K_CACHE_SIZE = 128M You create a tablespace named HR with the non-standard block size of 8K. Four database users are running queries on a table in the HR tablespace. These users complain that the queries are taking longer than usual to complete. While investigating the reasons for this delay， you discover that the database encounters extensive cache misses on the database buffer cache with the block size of 8K. You issue the following statement to increase the value of the DB_8K_CACHE_SIZE initialization parameter to 256M： SQLALTER SYSTEM SET DB_8K_CACHE_SIZE=256M SCOPE = BOTH； What is the result of this statement？（）A
The statement fails because you cannot set the memory components manually if the SGA_TARGET initialization parameter is set to a nonzero value.B
The statement fails because the DB_8K_CACHE_SIZE initialization parameter is not a dynamic parameter.C
The statement increases the value of the DB_8K_CACHE_SIZE initialization parameter to 256M and extracts an additional 128M of memory from the automatically sized memory components.D
The statement increases the value of the DB_8K_CACHE_SIZE initialization parameter to 256M and reallocates an additional 128M memory from the memory components that are not auto-tuned.
考题
单选题Which of the following statements best describes the relationship between a logical volume and a journaled file system (JFS)?（）A
Increasing the size of a logical volume also increases the size of the file systemB
Reducing the size of a logical volume requires reducing the size of the file system firstC
Increasing the size of a file system requires increasing the size of the logical volume firstD
Increasing the size of a file system also increases the size of the logical volume when necessary
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