Refer to the exhibit. Select the true statement.（）

A.Configure Access Control Lists to ensure Voice over IP traffic is checked by Auth Proxy.
B.Configure pNAT to ensure Voice over IP packets are properly translated.
C.Configure IOS firewall to permit RTP port numbers through the firewall via VPN. 
D.Configure Access Control Lists to allow Voice over IP traffic to bypass Auth Proxy checking.

A.There is lower bandwidth consumption for VoIP media streams.
B.Teleworkers can have the same extensions and inward-dialing numbers at their office desks and home offices.
C.Personal calls are routed directly through the residential PSTN line.
D.Teleworkers can have different extensions at their office desks and home offices.
E.There is less burden on Cisco CallManager for signaling traffic.
F.Incoming calls are first routed to the office desks, then to the home offices.

A.most widely deployed by service providers 
B.provides asymmetrical bandwidth, including high speed downlink
C.data rate is affected by distance to the Central Office
D.provides the furthest reach at T1 speeds 
E.supports connection of two routers without the use of a DSL access concentrator