An administrator notices an unused cable behind a cabinet that is terminated with a DB-9 connector. Which of the following protocols was MOST likely used on this cable?

Why is it important to view your reports in Print Preview?

What will be an ideal response?

A _____ is a telecommunications network that connects users and their computers in a geographical area that spans a campus or a city.  

A. metropolitan area network (MAN) B. local area network (LAN) C. wide area network (WAN) D. personal area network (PAN)