Which networks are included in PacketCable 1.0 architecture?

Which networks are included in PacketCable 1.0 architecture?

• A. Docsis hybrid fiber/coax access network; the managed IP network; and the public switched telephone network
• B. Wireless cellular network; the managed IP network; and the PSTN
• C. The Internet backbone; the managed IP network; and a satellite network
• D. The corporate LAN; the private IP network; and the PSTN

Answer: (A)

PacketCable 1.0 is built around three networks: the DOCSIS hybrid fiber/coax access network that brings service to subscribers, the managed IP network that carries VoIP signaling and media with quality-of-service controls, and the public switched telephone network for interconnection with traditional telephone services. The DOCSIS access network provides the actual reach to customers; the managed IP network ensures voice traffic is prioritized and reliably routed; and the PSTN lets calls connect to and from the legacy telephone system. Other options mix in networks not defined as part of PacketCable 1.0’s architecture, such as wireless cellular, Internet backbone/satellite, or corporate LANs, which is why the described combination is the correct fit.

PacketCable 1.0 is built around three networks: the DOCSIS hybrid fiber/coax access network that brings service to subscribers, the managed IP network that carries VoIP signaling and media with quality-of-service controls, and the public switched telephone network for interconnection with traditional telephone services. The DOCSIS access network provides the actual reach to customers; the managed IP network ensures voice traffic is prioritized and reliably routed; and the PSTN lets calls connect to and from the legacy telephone system. Other options mix in networks not defined as part of PacketCable 1.0’s architecture, such as wireless cellular, Internet backbone/satellite, or corporate LANs, which is why the described combination is the correct fit.