Multiple choice technology architecture

What is the maximum distance between two switches in order to use single mode cabling for ISLs ?

  1. 500 M

  2. 2 KM

  3. 20 KM

  4. 200 KM

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Single-mode fiber for ISLs (Inter-Switch Links) in Fibre Channel networks can support distances up to approximately 20 kilometers. Single-mode fiber uses a single light path and laser light sources, allowing for longer distances with less signal attenuation compared to multi-mode fiber. The 20 km distance is a standard specification for long-wave laser transceivers in SAN environments.