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ISDN | MCQs

Q1: ISDN stands for _____?

آئی ایس ڈی این کا مطلب کیا ہے؟

Integrated Services Digital Network

None of these

Internet Services Data Network

International Standard Digital Network

Explanation

ISDN is a set of communication standards for simultaneous digital transmission of voice, video, and data.

It allows faster and more reliable connectivity than traditional analog systems.

ISDN Telephony Internet Services

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