300-425 Question 42
Single answerAn enterprise organization is deploying a new wireless network to support voice and video applications. The network administrator needs to ensure that latency-sensitive traffic is prioritized over less critical traffic. Which QoS feature should be configured on the wireless network to achieve this goal?
- A
Wi-Fi Multimedia (WMM)
- B
Adaptive Fast Transition (AFT)
- C
Dynamic Frequency Selection (DFS)
- D
Client Load Balancing
Show answer and explanation
Correct answer: A
Explanation
Wi-Fi Multimedia (WMM) is essential for ensuring Quality of Service (QoS) in wireless networks, particularly for latency-sensitive applications such as voice and video. By assigning different priority levels to traffic types, WMM ensures that high-priority traffic receives the necessary bandwidth and reduced latency, making it the correct choice for this scenario.
- A. Correct.
Wi-Fi Multimedia (WMM) is a QoS feature designed to prioritize traffic by categorizing it into access categories (voice, video, best-effort, and background). It ensures that latency-sensitive traffic, such as voice and video, is given higher priority.
- B. Incorrect.
Adaptive Fast Transition (AFT) is a roaming enhancement feature that allows fast handoffs between access points. It is unrelated to QoS prioritization.
- C. Incorrect.
Dynamic Frequency Selection (DFS) helps mitigate interference by dynamically selecting channels in the 5 GHz spectrum. While important for spectrum management, it does not prioritize latency-sensitive traffic.
- D. Incorrect.
Client Load Balancing is used to distribute clients across access points to optimize performance. It does not address traffic prioritization for QoS.