What three statements are true for networks that are enabled for voice as well as data traffic? (Choose three.)
Select 3 response(s).
A.
An uptime of 99.999 percent is achieved using a 4-hour service response contract for system problems.
B.
Auxiliary VLANs provide the ability to apply QoS to voice traffic without affecting the flow of data from the client PC.
C.
Redundant hardware, redundant links, UPS, and proactive network management are data network standards that do not apply to voice networks.
D.
The increased costs of voice enabled networks are offset by increased worker productivity.
E.
For ease of implementation, most VoIP phones use in-line power to get power through the same cable on which data is sent.
F.
High availability networks must be created to avoid network congestion and overcome a lack of redundancy and poor engineering.