单项选择题
A. Assume the system was stopped by a failure.
B. Ensure the hostname parameters is set correctly.
C. Assume the system was stopped by a graceful shutdown.
D. Mount all volumes and file systems before running the application.
单项选择题 Due to a recent change in government regulations， Company.com needs to create two independent but synchronized copies of their data. These copies must be contained in separate storage device a minimum of 100 km apart. The customer has capacity in two systems that meet the criteria， one with SSA disk and the other is FAStT. What facility can be used to manage this issue？（）
单项选择题 An administrator mistakenly shutdown production after a fallover because the service IP address Was shifted from the normal production node to the standby node. What can be done to avoid this type of mistake in the future？（）
单项选择题 Onanexistingtwo-nodecluster，thesystemisconfiguredwithRAID5SSAastheshareddisk.Whenaddinganewnodetothecluster，whatmustbetakenintoconsideration？（）