350-801 CLCOR: Implementing and Operating Cisco Collaboration Core TechnologiesDemo

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QuestionQ338

Infrastructure and Design

Which design consideration should an administrator keep in mind when preparing an appropriate network for wireless voice traffic?

  • A Voice, video, and data traffic must be handled the same way.
  • B QoS must be deployed on the wired LAN and the wireless WLAN.
  • C QoS must be deployed only on the wireless WLAN.
  • D Use the default native VLAN for all wireless IP phones.
Explanation

Wireless voice requires low latency and jitter, so QoS must prioritize voice traffic end to end across both the WLAN and the wired LAN infrastructure. Voice traffic should receive different treatment from ordinary data traffic and is normally separated onto a voice VLAN rather than placed on the default native VLAN.

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