Which of the following devices would be installed if an administrator wants to control a group of servers from a remote location？（）

Weekly backups of the system are done on Sundays， and d...

单项选择题

Weekly backups of the system are done on Sundays， and daily backups are done the rest of the week. 
Which of following backup methods were used if the system crashes on Friday and only requires two backup sets to recover the system？（）

WhichofthefollowingistheMOSTlikelyconnectiontypeforabac...

单项选择题Which of the following is the MOST likely connection type for a backup external modem？（）

Anadministratorwantstolimithowmuchdataeachuserisstoring...

单项选择题An administrator wants to limit how much data each user is storing. Which of the following will BEST address this issue？（）