单项选择题
When a user’s computer is first turned on, they see a lock symbol and a blinking cursor. Which of the following was configured in the BIOS to show this?（）
A. Intrusion detection
B. Power on password
C. Drive encryption
D. BIOS password
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A. Remove network connections
B. Remove the RAM
C. Self ground on the computer case
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A technician replaces a computer’s NIC with a wireless card. The user wants to save the NIC.Which of the following should the technician use to preserve the NIC? （）
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A technician has just finished installing a new NIC into a customer’s desktop. Which of thefollowing should the technician do NEXT?（）
A. Perform a full system backup.
B. Follow up with the customer, verifying satisfaction.
C. Ask their manager to contact the customer.
D. Perform a complimentary virus scan.
