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

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QuestionQ53

Media and QoS

Which recommendation represents the best practice for marking video and voice media in a Cisco Unified Communications network?

  • A Voice Cos 5 (IP Precedence 6, PHB AF41, or DSCP 16) Video Cos 4 (IP Precedence 5, PHB EF, or DSCP 32)
  • B Voice Cos 6 (IP Precedence 4, PHB AF41, or DSCP 24) Video Cos 5 (IP Precedence 4, PHB EF, or DSCP 34)
  • C Voice Cos 5 (IP Precedence 2, PHB EF, or DSCP 48) Video Cos 4 (IP Precedence 4, PHB AF41, or DSCP 46)
  • D Voice Cos 5 (IP Precedence 5, PHB EF, or DSCP 46) Video Cos 4 (IP Precedence 4, PHB AF41, or DSCP 34)
Explanation

Cisco QoS guidance assigns voice media to expedited forwarding: CoS 5, IP Precedence 5, PHB EF, DSCP 46. Video media is assigned CoS 4, IP Precedence 4, PHB AF41, DSCP 34.

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