Which issue can occur if QoS is not deployed on a Cisco Collaboration architecture across the WAN?
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A. B. C. D.B.
If QoS (Quality of Service) is not deployed on a Cisco Collaboration architecture across the WAN, the issue that is most likely to occur is excessive jitter.
Jitter is the variation in the delay of received packets. It can be caused by network congestion, packet loss, or other factors that can affect the quality of voice and video calls. Excessive jitter can result in poor voice quality, such as choppy or robotic-sounding conversations, which can significantly impact user experience and productivity.
QoS is a set of techniques used to prioritize network traffic and ensure that critical applications, such as voice and video, receive the necessary bandwidth and network resources they need to function properly. Without QoS, other non-critical traffic on the network can compete for resources with voice and video traffic, causing congestion and leading to excessive jitter.
Therefore, it is essential to deploy QoS on a Cisco Collaboration architecture to ensure high-quality voice and video communications across the WAN.