What equation defines the composition of an ISDN basic access line? A. B+2D B. B+D C. 2B+2D D. 2B+D

What equation defines the composition of an ISDN basic access line?
A. B+2D
B. B+D
C. 2B+2D
D. 2B+D
by

1 Answer

Answer :

D. 2B+D
by

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