A user reports that a laser printer is displaying a maintenance error on the LCD. Which of the following should the technician do to resolve the error?

You would use the crop feature to reduce the size of a picture by removing the vertical or horizontal edges of the picture.

a. true b. false

When you want to gather information about users, groups, shares, and services that are visible, a process sometimes referred to as device fingerprinting, which of the following tools would be MOST appropriate?

A. port scanner B. network enumerator C. HTTP interceptor D. protocol analyzer