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2. 920-451 QUESTION 1 A customer has a network that contains several Communication Server (CS) 1000 RIs 4.0 systems. They are networked together via Virtual Trunks. The customer has limited bandwidth on the WAN links between sites and has an Optimized WAN link to carry Voice calls that use G.729 A. Which configuration setup will ensure that G.729 is always used on a virtual trunk call between sites? A. No extra configuration is needed. Virtual Trunk calls always use G.729A CODEC. B. ? configure the virtual route to be in same zone as voice gateway channels and IP sets ? verify that the customer has G.729A as part of CODEC profile ? verify all zones at the site are configured with best qualify for intrazone calls and best bandwidth for interzone calls C. ? virtual route is configured to be in different zone than the voice gateway channels and IP sets ? verify the customer has G.729A as part of CODEC profile ? ensure all zones at the site are configured with best qualify for intrazone calls and best quality for interzone calls D. ? the virtual route is configured to be in a different zone than voice gateway channels and IP Sets for each system ? verify the customer has G.729A as part of CODEC profile ? ensure all zones at the site are configured with best qualify for intrazone calls and best bandwidth for interzone calls r 1 Answer: D QUESTION 2 A customer has a Communication Server (CS) 1000 RIs. 4.0 that they want to network with two other sites using the corporate WAN. Why must zones be configured with Element Manager before the Virtual Routes? (Choose two.) A. Zones determine NCOS privileges on a given trunk. B. Zones govern trunk groupings for TGAR assignment. C. Zones help determine Best Bandwidth CODEC per virtual trunk call. D. Zones manipulate CODEC selections and assigns bandwidth to a route. E. Zones provide call blocking based on Bandwidth defined for inter- and intra-zone calls. Answer: C, E QUESTION 3 A customer has installed two Communication Server (CS) 1000M RIs. 4.0 systems networked over the corporate WAN. Some of the system management functions of the CS 100M can be performed by the Command Line Interface (CLI) as well as Element Manager. Which is a false statement regarding the use of Element Manager (EM) over the CLI? A. EM provides for drop down menus for prompt choices. B. EM provides full text descriptions of parameters and acronyms. C. EM allows the programmer to use the LD commands as well as using menus. D. EM increases speed and efficiency be organizing parameters to logical groups.

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