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CCNA® Voice Study Guide by Andrew Froehlich

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Chapter 4. Configuring the Network Infrastructure for Voice

THE CCNA VOICE EXAM TOPICS COVERED IN THIS CHAPTER INCLUDE THE FOLLOWING:

  • Describe and configure a Cisco network to support VoIP.

    • Describe the purpose of VLANs in a VoIP environment.

    • Describe the environmental considerations to support VoIP.

    • Configure switched infrastructure to support voice and data VLANs.

    • Describe the purpose and operation of PoE.

    • Identify the factors that impact voice quality.

    • Describe how QoS addresses voice quality issues.

    • Identify where QoS is deployed in the UC infrastructure.

  • Implement Cisco Unified Communications Manager Express to support endpoints using CLI.

    • Describe the requirements and correct settings for DHCP and NTP.

    • Configure DHCP and NTP.

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