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多項(xiàng)選擇題

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

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