Each cell in a cellular network is a geographic area centered on a(n) ________ station, which is a large communications tower

Excel uses the ________ presentation of information via charts and graphs

A) sectioned B) container C) tabular D) graphical

Defense in Depth uses the military principle that it is more difficult for an enemy to defeat a complex and multi-layered defense system than to penetrate a single barrier.

a. true b. false