Question
Download Solution PDFPSTN -এর পূর্ণরূপ হল:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDF- PSTN -এর পূর্ণরূপ হল "পাবলিক সুইচড টেলিফোন নেটওয়ার্ক"।
- পাবলিক সুইচড টেলিফোন নেটওয়ার্ক হল একটি টেলিকমিউনিকেশন নেটওয়ার্ক, যা ভয়েস যোগাযোগের জন্য ব্যবহৃত হয়।
- PSTN হল একটি সার্কিট-সুইচড নেটওয়ার্ক।
- PSTN -এ যোগাযোগের জন্য টেলিফোন নম্বর নামে একটি অনন্য আইডি পাওয়া যায়।
সুতরাং, বিকল্প (4) হল সঠিক।
Last updated on Jun 11, 2025
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