一般机会研究包括（）
A、投资、盈利、风险
B、地区、部门、资源
C、寻找机会、投资、盈利
D、参数、资料、数据
相关问题推荐
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A customer is planning to purchase an IBM N series Gateway due to a requirement for file levelstorage. All available storage is managed by a SAN Volume Controller （SVC）. Where should the Nseries Gateway be placed in the network？（）
A、in the place of the SVC
B、between the SVC and the hosts
C、between the SVC and the back-end disk storage
D、alongside the SVC,then the hosts should be mapped to both
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When the length of the run queues， process or thread dispatches interrupts， and lock contention metrics and statistics are analyzed for performance， which of the following resources is being analyzed？（）
A、 CPU
B、 Memory
C、 Disk I/O
D、 Network I/O
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How is an IP address removed from a network interface？（）
A、rmdev -dl ent0
B、ifconfig en0 down
C、ifconfig en0 delete
D、ifconfig ent0 detach
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Which of the following is TRUE for the DB2 isolation level Cursor Stability (CS)?（）
A、An application process acquires at least a share lock on the current row of every cursor.
B、Any row that is read during a unit of work cannot be changed by other application processes until the unit of work is complete.
C、Any row changed by another application process can be read, even if the change has not been committed by that application process.
D、An application process that issues the same query more than once in a unit of work will not see additional rows caused by other application processes appending new information to the database.
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To examine the Exhibit， press the Exhibit button. While a user is compiling a C program， "vmstat 120 10" is run to determine the cause of a performance problem. Given the vmstat output as shown in the exhibit， which of the following conclusions should be drawn about the I/O bottleneck？（）
A、 There is a file I/O bottleneck.
B、 There are too many open files.
C、 There appears to be a buffer shortage.
D、 There is a paging space I/O bottleneck.