Q. PSTN stands for

(A) public switched telephone network
(B) personal switched telephone network
(C) personal switched telephone node
(D) public switched telephone node

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✅ Correct Answer: (A) public switched telephone network

Published by Mr. Dubey ⭐ 104.82K Points at 19-Sep-2023 08:48 pm in Ubiquitous Computing System (UCS)

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