你可能感興趣的試題

Which of the following is a sign that a computer has been infected by a worm?（）

A. Screensaver changed on its own
B. Unauthorized outgoing emails being sent
C. Desktop background changed on its own
D. Left and right mouse buttons have been flipped

單項(xiàng)選擇題

Users in the office report that the speed of the Internet has drastically decreased since the recent network hardware refresh. Which of the following could be attributed to the problem?（）

A. The firewall was not powered back on
B. The DHCP server is not working correctly
C. The cellular repeater installed is interfering with the network speed
D. The new switches are configured for 10MB