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單項(xiàng)選擇題

Which of the following commands should Jill, a technician, use to test a computer’s NIC forfunctionality?（）

A. ping net
B. ping ipconfig
C. ping localhost
D. ping microsoft.com

多項(xiàng)選擇題

Which of the following are good examples of malware prevention in Windows XP?（） (Select TWO)

A. Use a trusted aggressive pop-up blocker.
B. Update the anti-spyware software after scanning the system.
C. Re-install the operating system every six months.
D. Avoid notorious websites and hyperlinks.
E. Open and then scan all attachments in emails.