题目内容
(请给出正确答案)
[单选题]
Which of the following units manages the A-bis link resources in the RBS2000?()
A.TRU
B.CDU
C.DXU
D.ABU
E. ECU
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A.TRU
B.CDU
C.DXU
D.ABU
E. ECU
Which of the following is not belonged to the Advisory Body of FIATA?()
A.AFI
B.ABDG
C.ABIT
D.ABVT
Network software consists of(),or rules by which processes can communicate.
A.protocols
B.programs
C.devices
D.computers
A.from which
B.on which
C.in which
D.for which