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043-028

原创 Linux操作系统 作者:jbymy2000 时间:2012-03-05 09:13:00 0 删除 编辑
28. You enabled Automatic Shared Memory Management. The initializatio
n 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 tun
ed memory components.
D. Increasing the value for SGA_TARGET will automatically increase th
e memory allocated for STREAMS_POOL_SIZE.
E. Increasing the value for SGA_TARGET to 12 GB will automatically in
crease the memory allocated to autotuned parameters.
F. Reducing the value for SGA_TARGET to 9 GB will automatically decre
ase the memory allocated to shared pool from 3 GB to 2 GB.
Answer: B, E
SHARED_POOL_SIZE 设置值后只会增加,不会减少
D选项,必要条件与充分条件。

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