Which of the following safety procedures is the BEST when lifting heavy equipment onto a repairbench?（）

单项选择题A laser printer has an error tray two paper jam but tray two does not have any paper in it. Which of the following should the technician do FIRST? （）

A. Replace the tray two paper sensor and run the printer self test.
B. Remove the tray two paper sensor and clean the printhead.
C. Check the tray two paper sensors for blockage and run the printer self test.
D. Check the tray two paper rollers for blockage, clean the printhead, and run the printer self test.

单项选择题Which of the following is the MOST secure method to authenticate users?（）

A. User ID, a strong password, and a fingerprint scanner
B. User ID, a strong password, and a token based device
C. User ID and two levels of strong password requirements
D. User ID, a strong password, and a smart card

单项选择题A frustrated customer has called about their computer that is not functioning correctly. Which of the following is the BEST question to ask the user?（）

A. “Can you avoid using the PC that crashed?”
B. “What was the last thing that occurred before the PC had problems?”
C. “What were you doing before the PC went down?”
D. “What was the last thing you did before the PC crashed?”

单项选择题A customer reports the optical drive is no longer responding. Which of the following questionsshould be asked FIRST?（）

A. “Did you log in with an administrator account?”
B. “Have you been to any inappropriate websites?”
C. “What have you changed since the optical drive worked properly?”
D. “What has changed since the optical drive worked properly?”

单项选择题A person calls in asking for the name of the vendor that the technician uses for the organizations firewall hardware. Which of the following is the BEST action for the technician to take?（）

A. Immediately forward the call to the vendor.
B. Give the information to the caller.
C. Hang up on the caller immediately and report the call to upper management.
D. Politely refuse to give the information and end the call.