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多项选择题Process-level redundancy is implemented by a system manager process that creates the standby process.What two functions are provided by the system-level process called Qnet Symlink Manager (QSM)?()

A、backing up the information for the broken connections

B、provides common information for connecting processes and services

C、detection of a failed connection

D、provides an abstract name for a process or service

E、distribution of symbolic link information

  • D,E
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