If a system administrator wants to show only a disk report for disk2, at two second intervals, what is the correct command to run?()A、 iostat disk1 1 B、 iostat -d disk1 2 C、 iostat disk2 1 D、 iostat -d disk2 2

If a system administrator wants to show only a disk report for disk2, at two second intervals, what is the correct command to run?()

  • A、 iostat disk1 1 
  • B、 iostat -d disk1 2 
  • C、 iostat disk2 1 
  • D、 iostat -d disk2 2

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单选题An administrator wants to use a Windows system to monitor a server that is rebooting. Which of the following commands should the administrator use to know when the NIC is back online in the server?()A ping i 240B ping -tC ping -aD ping w 240