Which of the following actions will improve the quality of the voice calls?

After deployment of a second network link to load balance the network traffic, the quality of voice calls degrades. The network administrator discovers the voice packets are arriving at uneven intervals that cannot be handled by the voice application buffer.

Which of the following actions will improve the quality of the voice calls?
A . Control the attenuation of the non-voice traffic across the network links
B . Control the latency of traffic across the network links
C . Control the EMI of the multimedia traffic across the network links
D . Control the jitter of the affected traffic across the network links

Answer: D