Which of the following 802.3 classifications has a MAXIMUM segment distance of 984 feet (300 meters)?

Name Medium Specified distance
1000BASE‑KX Copper backplane 1 meter
1000BASE‑T Twisted-pair cabling (Cat‑5, Cat‑5e, Cat‑6, or Cat‑7) 100 meters
1000BASE‑TX Twisted-pair cabling (Cat‑6, Cat‑7) 100 meters
1000BASE‑BX10 Single-mode fiber, over single-strand fiber: 1,490 nm downstream 1,310 nm upstream 10 km
1000BASE‑LX10 Single-mode fiber using 1,310 nm wavelength 10 km[5]
1000BASE‑SX Multi-mode fiber 220 to 550 meters dependent on fiber diameter and bandwidth[4]
1000BASE‑CX Shielded balanced copper cable[3] 25 meters
1000BASE‑LX Multi-mode fiber 550 meters[5]
1000BASE‑LX Single-mode fiber 5 km[5]
1000BASE‑EX Single-mode fiber at 1,310 nm wavelength ~ 40 km
1000BASE‑ZX Single-mode fiber at 1,550 nm wavelength ~ 70 km
1000BASE-X