单项选择题

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

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多项选择题

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.

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?（）

A. The USB hub needs more USB ports.
B. The USB hub is a version 1.1.
C. The USB hub was not externally powered.
D. The USB hub is a version 2.0.

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?（）

A. The driver CD is for Windows XP only.
B. The technician needs to initialize the NIC first within Device Manager before installing a driver.
C. The driver on the CD is not digitally signed.
D. The driver is corrupt.