N10-005 Question #710: Real Exam Question with Answer & Explanation

The correct answer is D: QoS. Quality of Service (QoS) is the mechanism that prioritizes certain types of network traffic over others. VoIP (Voice over IP) and VTC (Video Teleconferencing) are real-time, latency-sensitive applications that degrade significantly with delay or jitter. QoS ensures these traffic

Question

When dealing with high bandwidth applications such as VoIP and VTC, which of the following network performance optimization tools should be implemented to ensure BEST performance?

Options

AFault tolerance
BLoad balancing
CCaching engines
DQoS

Explanation

Quality of Service (QoS) is the mechanism that prioritizes certain types of network traffic over others. VoIP (Voice over IP) and VTC (Video Teleconferencing) are real-time, latency-sensitive applications that degrade significantly with delay or jitter. QoS ensures these traffic types get forwarding priority over less time-sensitive traffic like file transfers or email. Fault tolerance addresses redundancy and uptime. Load balancing distributes traffic across multiple paths or servers. Caching engines store frequently accessed content locally. None of these address the real-time priority needs of voice and video like QoS does.

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