单项选择题

A. Perform a ping client verification test.B. Review th……

As part of fallover testing of a corporate database server， client application connectivity must be verified. Which of the following would best verify the application functionality？（）

A. Perform a ping client verification test.
B. Review the number of active application processes.
C. Perform successful reads and writes to the application.
D. Run netstat -an to verify client connections to the listening ports.

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A. clinfo
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