A.便攜機網(wǎng)管系統(tǒng)(SBSMN-LCT) B.HONET網(wǎng)管系統(tǒng) C.工作站網(wǎng)管系統(tǒng)(SBSMN-RMS+) D.PC機網(wǎng)管系統(tǒng)(SBSMN-NES)
A.1:8保護 B.1:7保護 C.1:6保護 D.1:5保護
A.SL4 B.SL1 C.PQ1 D.PD1