多项选择题 An administrator has purchased monitoring software that can be configured to alert administrators when hardware and applications are having issues. All devices are configured with SNMP, but the administrator wants to further secure the SNMP traffic. Which of the following settings would BEST provide additional monitoring security?（）

单项选择题 WhichofthefollowingfactorsistheMOSTimportanttoconsiderwhenchoosinganuninterruptible powersupply（UPS）forasingleserver？（）

单项选择题 Which of the following tools can an administrator use to get a server baseline?（）