单项选择题
A.tracert
B.netstat
C.nslookup
D.ping
单项选择题 Which of the following needs to be done before a hard drive can be formatted?()
单项选择题 Which of the following percentages is required for Disk Defragmenter to fully defragment thevolume?()
单项选择题 A technician is working on a PC that may have malware. Which of the following should thetechnician try FIRST?()