Fiber fundamentals — single-mode vs multi-mode — Quiz

Question 1 of 3

You need to run a 20 km fiber link between two sites. Which fiber type is appropriate?

Question 2 of 3

Which wavelength is used by long-haul single-mode optics including DWDM C-band?

Question 3 of 3

Approximate loss in dB of 10 km of OS2 fiber at 1550 nm (one decimal):