An Enterprise Customer Will Deploy a Centralized Unified Communications Application

Multiple Choice

An enterprise customer will deploy a centralized unified communications application to provide voice, video, and instant messaging to their branch offices. Some of the branch offices are located in remote locations and are connected via a 1.5 Mb/s Layer 3 VPN connection. Which two actions are the most cost-effective ways to ensure that this new application is implemented properly? (Choose two.)

A) Set LFI on the WAN connections to interleave the small voice packets with the large data packets
B) Use a low bitrate codec such as G 711
C) Set voice activity detection to avoid sending packets when the conversation is silent
D) Set WAN optimization on the CE router to compress the voice packets for improved bandwidth utilization and performance
E) Use a low bitrate codec such as G 729
F) Enable VRF-Lite on the CE router to create a separate voice VRF