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2010-05-25 08:32:42
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考试号：1Z0-043
认证名称：Oracle database 10g:Administration ii
考题数目：217 Q&As
更新：Apr-22-2010
1. You need to check the EMP_EAST partition in the EMPLOYEES table for physical corruptions. You also need to verify that the rows belong to the correct partition. Which option could you use?
A.LogMiner
B.the DBNEWID utility
C.the DBVERIFY utility
D.the ANALYZE command
E.the RMAN REPORT command
F.the RMAN CROSSCHECK command
G.the RMAN BLOCKRECOVER command
ANSWER: D
2. You execute the following command to enable a session in resumable mode:
SQL> ALTER SESSION ENABLE RESUMABLE TIMEOUT 60;
What is the impact of a timeout on the statements being suspended?
A.The statements remain suspended for at least 60 seconds.
B.The statements are suspended for 60 seconds and then they are executed.
C.The suspended statements error out if the problem is not rectified within 60 seconds.
D.The statements are automatically suspended 60 seconds after an error is received, and then attempt to execute normally again.
ANSWER: C
3. Immediately after adding a new disk to or removing an existing disk from an Automatic Storage Management (ASM) instance, you find that the performance of the database decreases initially, until the addition or removal process is completed. Performance then gradually returns to normal levels.
Which two activities could you perform to maintain a consistent performance of the database while adding or removing disks? (Choose two.)
A.increase the number of checkpoint processes
B.define the POWER option while adding or removing the disks
C.increase the number of DBWR processes by setting up a higher value for DB_WRITER_PROCESSES
D.increase the number of slave database writer processes by setting up a higher value for
DBWR_IO_SLAVES
E.increase the number of ASM Rebalance processes by setting up a higher value for
ASM_POWER_LIMIT during the disk addition or removal process
ANSWER: BE
4. You enabled Automatic Shared Memory Management. The initialization parameters are set as shown below:
SGA_TARGET = 10GB
SGA_MAX_SIZE = 14GB
STREAMS_POOL_SIZE = 1GB
SHARED_POOL_SIZE = 3GB
Which two statements are correct in this scenario? (Choose two.)
A.A maximum of 3 GB can be allocated to shared pool.
B.The value for SGA_TARGET can be increased up to a maximum of 14 GB.
C.A total of 14 GB memory will be allocated to the automatically tuned memory components.
D.Increasing the value for SGA_TARGET will automatically increase the memory allocated for STREAMS_POOL_SIZE.
E.Increasing the value for SGA_TARGET to 12 GB will automatically increase the memory allocated to autotuned parameters.
F.Reducing the value for SGA_TARGET to 9 GB will automatically decrease the memory allocated to shared pool from 3 GB to 2 GB.
ANSWER: BE
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