中興設(shè)備軟交換專業(yè)考試單項(xiàng)選擇題每日一練(2019.01.13)

A.IPI
B.SPB
C.SIG-IPI
D.DTB

A.SPB板上對(duì)應(yīng)的E1燈快閃
B.SPB板上對(duì)應(yīng)的E1燈快閃、慢閃交替出現(xiàn)
C.SPB板上對(duì)應(yīng)的E1燈慢閃
D.SPB板上對(duì)應(yīng)的E1燈長(zhǎng)亮

A.DN
B.ISDN
C.INACC
D.APN

A.5
B.6
C.7
D.8

A.C/S
B.FTP
C.S/C
D.TCP