Why would a digital cellular network be better than an analog cellular network? A The fact that it is circuit$-$switched would allow for dedicated connectionsincreasing the overall quality B The fact that it could use firewalls would make it more secure C The fact that it is a WAN creates greater reach as well as more privacy for the partners using the network D The fact that it supports DSL allows for higher bandwidth and more productivity E The $1\text{'}$s and allow for multiple calls on one frequency $($multiplexing$)$ making it cheaper, as well as better quality checks making it clearer.