Which of the following connection mediums operates at a maximum speed of 128 Kbps?

Which of the following connection mediums operates at a maximum speed of 128 Kbps?

Which of the following connection mediums operates at a maximum speed of 128 Kbps?

A.
T3

B.
OC-3

C.
ISDN

D.
T1

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Eddy

Eddy

ISDN:
BRI 128Kbps ISDN 2 64KB+1 16KD
PRI(na) 1.480Mbps ISDN 23B+1D (all 64K) ~ T1
PRI(eur) 1.930Mbps ISDN 30B+1D (all 64K) ~ E1

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