A.OTU1速率=2666057.143kbits/s
B.OTU1速率=2888057.143kbits/s
C.OTU1速率=2777057.143kbits/s
D.OTU1速率=2555057.143kbits/s
A.ODU2速率=10047273.924kbits/s
B.ODU2速率=10037273.924kbits/s
C.ODU2速率=10057273.924kbits/s
D.ODU2速率=10087273.924kbits/s
A.OTU1速率=2666057.143kbits/s
B.OTU1速率=2888057.143kbits/s
C.OTU1速率=2777057.143kbits/s
D.OTU1速率=2555057.143kbits/s
A.OTN
B.PTN
C.PON
D.OAM
(59) A.50
B.100
C.150
D.200
A.②⑧
B.①⑥
C.②④
D.③⑧
A.802.11
B.802.11b
C.802.11a/g
D.802.11n
E.802.11i