The cell ________ is a combination of the column letter and the row number

There are black specks on a laser printer output. What should the technician use first?

A) Compressed air B) Self-test page C) Printer diagnostics D) Toner vacuum

?When a large IP packet is sent over a network, it is broken down. This process is called ____.

A. ?separation B. ?division C. ?breaking D. ?fragmentation