单选题

A highly available WebLogic cluster in UNIX is configured for automatic server migration. Node Managed is configured on both machines to start managed servers. How should you simulate a managed server failure to test whether automatic server migration is working?()

AShut down the managed server from the WebLogic console.

BShut down the managed server using the WLST command through Node Manager.

CRun "kill -9" once to kill the managed server process.

DRun "kill -9" to kill the managed server process, and run "kill -9" one more time if the managed  server is restarting.

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