CCNP ONT Student Guide Version 1.0 vol.1-2 by Cisco

By Cisco

Официальный учебник для подготовки к экзамену Cisco 642-845 ONT (Optimizing Converged Cisco Networks) трека CCNP (Cisco qualified community expert) в двух частях.

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C 部 om 资 料 Stages of a Phone Call © 2006 Cisco Systems, Inc. All rights reserved. 0—2-12 Although different protocols address call control in different ways, they all provide a common set of services. The basic components of call control are these: „ Call setup: Call setup checks the call-routing configuration to determine the destination of a call. The configuration specifies the bandwidth requirements for the call. When the bandwidth requirements are known, CAC determines whether sufficient bandwidth is available to support the call.

C 部 om 资 料 • The IIN, Cisco SONA, and Cisco Enterprise Architectures models provide a framework for deployment of converged networks. • The service layer of the Cisco SONA architecture addresses the performance and security requirements of converged networks. © 2006 Cisco Systems, Inc. All rights reserved. 0—1-1 The requirements of converged networks carrying voice, video, and data have changed the conceptual network models that have been used as a framework for deploying traditional data networks.

Describe Network Requirements 1-13 Module Summary This topic summarizes the key points that were discussed in this module. Module Summary • The requirements of converged networks carrying voice, video, and data have changed the conceptual network models. c 部 om 资 料 • The IIN, Cisco SONA, and Cisco Enterprise Architectures models provide a framework for deployment of converged networks. • The service layer of the Cisco SONA architecture addresses the performance and security requirements of converged networks.

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