A.FTP B.SNMPv2 C.TFTP D.KTTPS
A. OTDR B. Media converter C. CSU/DSU D. Fiber repeater
A.FF01:D2:C4:87::11 B.00-30-48-83-9B-C8 C.08-9D-35-22-L2-34-FF-21 D.2D1A:C3:0:1C3B:2AD:FF:FEBE:9D3A