Part I. Voice over IP

This part covers the following ONT exam topics. (To view the ONT exam overview, visit http://www.cisco.com/web/learning/le3/current_exams/642-845.html.)

  • Describe the functions and operations of a VoIP network (e.g., packetization, bandwidth considerations, CAC, etc.).

  • Describe and identify basic voice components in an enterprise network (e.g., Gatekeepers, Gateways, etc.).

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