单项选择题 A company has 100GB of data that needs to be automatically backed up daily， and needs to be stored for 20 years.  Which of the following backup media is the BEST solution for archiving the server data？（）

单项选择题 Anadministratorbuysanewserver.Theserverhasfourdisksandneedstobeconfiguredformaximumspace.Faulttoleranceisnotaconstraint.Whichofthefollowingconfigurations completesthistask？（）

单项选择题 An administrator has purchased monitoring software that can be configured to send alerts when hardware and applications are having issues. Which of the following must be installed on the monitoring server so that it can properly monitor details on vendor specific devices?（）