The Link Aggregation Control Protocol was initially defined by what IEEE standard?

A(n) ________ is an item such as a graphic, chart, or spreadsheet that can be inserted into a Word document

Fill in the blank(s) with correct word

 ____ involve the use of graphics and a pattern of clicks using a touch screen, mouse, or other pointing device.

A. Picture passwords B. fingerprint scanner C. biometric scanner D. retina scanner