Which backbone cable configuration is recommended for large campus buildings?

Prepare for the Telecom Room Cross-Connection Facility Test. Utilize flashcards and multiple choice questions, complete with hints and elucidations. Gear up for your assessment!

For backbone cabling across a large campus, long direct-burial runs need strong moisture protection and durable construction. A loose-tube optical fiber design keeps individual fiber groups in separate tubes, so pulling stresses don’t transfer between fibers and harsh soil conditions won’t easily affect all fibers at once. Placing a water-blocking compound inside those tubes provides immediate, internal moisture defense: if groundwater or moisture penetrates, the compound swells or gels to seal the space and halt water from migrating along the cable toward splices and terminations. This combination offers reliable protection against moisture over long underground runs and makes splicing and maintenance in handholes or manholes more robust. Other options either rely on external moisture barriers or are intended for aerial or non-fiber backbones, making them less suitable for a large campus underground backbone.