单项选择题
A. Inverter B. LCD cable C. LCD panel D. System I/O
A user attempts to login to a bookmarked site but is pr...
单项选择题A user attempts to login to a bookmarked site but is prompted for their social security number,mother’s maiden name and date of birth. Which of the following has MOST likely happened?（）
A. The website has updated the security policies. B. The user’s identity has been stolen. C. The browser has been hijacked. D. The user typed the website address incorrectly.
A computer’s onboard LPT1 port fails. Which of the foll...
单项选择题A computer’s onboard LPT1 port fails. Which of the following I/O cards should be installed to fix this problem?（）
A.Serial B.Parallel C.FireWire D.USB
A technician recently installed a new firewall. Which o...
单项选择题A technician recently installed a new firewall. Which of the following ports must be open to permit HTTPS traffic?（）
A.21 B.23 C.80 D.443
