… is a high-performance fiber optic token ring LAN running at 100 Mbps over distances up to 1000 stations connected.COMPUTER / By admin / April 30, 2023 August 14, 2023 AFDDI BFDDI CFDDR DFOTR Answer Detail … is a high-performance fiber optic token ring LAN running at 100 Mbps over distances up to 1000 stations connected.