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Consider a network of multivendor network components. Hubs are made by Cabletron and are managed by Cabletron's Spectrum NMS (network management system). Routers are made by Cisco and are managed by CiscoWorks NMS. The entire network is managed by general-purpose NMS such as HP OpenView Network Node Manager. Draw a two-tier management network that performs configuration and fault management. Explain the rationale for your configuration