MCQ Practice Information Technology বাংলাদেশ পল্লী বিদ্যুতায়ন বোর্ড (BREB)-এর উপ-সহকারী প্রকৌশলী নিয়োগ পরীক্ষা-২০২০ 📖 Fiber optic cable is made of --- ক Cupperখ Glassগ Noneঘ Plastic Favorite Practice Add to Book Explanation & Answer Detailed explanations and answers are restricted. Unlock full access by logging in to your account. 🔒 Unlock the detailed explanation and answers Log In / Sign Up This question appeared in BREB Deputy Assistant Engineer Recruitment Question Bank 2020 Question 46 BREB Deputy Assistant Engineer Recruitment Question Bank 2020 Question 46
