Which three WLC actions are needed to properly enable queuing with TSPEC for voice traffic?(choose three)

Question

Options

• Aconfigure WLAN platinum QoS
• Bconfigure WLAN gold QoS
• Cconfigure DTIM=2
• Dconfigure global 802.11b/g/n/ac,or both,to voice CAC
• Econfigure WLAN setting to enable WMM.
• FConfigure WLAN Aironet information elements to enabled.

• A
  73% (11)
• B
  13% (2)
• C
  7% (1)
• F
  7% (1)

Explanation

TSPEC (Traffic Specification) is an 802.11e/WMM mechanism that allows voice clients to reserve bandwidth before initiating calls, ensuring quality. Three WLC configurations are required: (A) Configure WLAN Platinum QoS - Platinum is the highest QoS profile on Cisco WLCs, required for voice traffic to receive priority queuing and handling. (D) Configure global 802.11 radio to voice CAC (Call Admission Control) - TSPEC relies on CAC to accept or reject new voice sessions based on available bandwidth, preventing oversubscription. (E) Enable WMM on the WLAN - WMM (Wi-Fi Multimedia) is a prerequisite for TSPEC because TSPEC is built on top of the WMM QoS framework. Without WMM, TSPEC signaling cannot function. Gold QoS is used for video, not voice TSPEC; DTIM and Aironet IEs are relevant to other features.

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