Which term describes the physical path carrying multiple trunks and lines including copper and fiber?

• A. 911 Direct Trunking
• B. Transport Facilities
• C. Alternate routing
• D. Selective router

Answer: (B)

The physical path that carries multiple trunks and lines, including copper and fiber, is described as transport facilities. This term refers to the actual transmission pathways—such as interoffice cables, fiber rings, and other media—that move traffic between network nodes or switching centers. It’s the infrastructure that carries the signals from one part of the network to another, regardless of the specific devices at the ends.

Other terms describe different aspects: 911 Direct Trunking refers to dedicated trunks to a PSAP, alternate routing is about choosing backup routes for calls, and a selective router is the device that directs 911 calls to the appropriate PSAP. None of these describe the underlying physical pathway itself.