单项选择题
A. ping net
B. ping ipconfig
C. ping localhost
D. ping microsoft.com
多项选择题 Which of the following are good examples of malware prevention in Windows XP?() (Select TWO)
单项选择题 A user reports that a newly installed external CD-RW is not working. Jill, a technician, is called and notes the user has the CD-RW drive, a flash disk, a rarely used external hard drive and a wireless network adapter plugged into an external USB hub. Which of the following is the MOST likely reason for the problem?()
单项选择题 A technician is trying to load a device driver directly from the manufacturer’s CD for a PCI NIC. The operating system is Windows Vista. Windows refuses to accept the driver. Which of the following is the MOST likely cause of this problem?()