You need to determine whether the poor quality of Lync calls is related to inadequate network bandwidth. What should you do?
A. Enable Jumbo Frames on all network switches.
B. Calculate the current volume of Lync traffic in Litware, and then confirm that volume of Lync traffic does not exceed 50 percent of wide area network (WAN) bandwidth.
C. Calculate the current volume of Lync traffic in Contoso, and then confirm that the volume of Lync traffic does not exceed 25 percent of wide area network (WAN) bandwidth.
D. Disable Quality of Service (QoS) support on all network switches.