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primary rate for isdn system is

Q.

Primary rate for ISDN system is

[A] 1A + 1C

[B] 2B + 1D

[C] 23B + 1D

[D] 4B + 3C

Answer & Explanation
Option: [B]

DATA COMMUNICATION & COMPUTER NETWORKS – MULTIPLE CHOICE QUESTIONS AND ANSWERS | 250 MCQS

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