HIGHLIGHTED-Fiber-Optics-Communications.docx

A 5012502 b 851250275 c 6251250275 d 10014003 275

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A. 50/125/0.2 B. 85/125/0.275 C. 62.5/125/0.275 D. 100/140/0.3 275. Which type of fiber-optic cable is the most widely used? A. single-mode step-index B. multimode step-index C. single-mode graded index D. multimode graded index 276. The term power budgeting refers to A. the cost of cable, connectors, equipment and installation B. the loss of power due to defective components C. the total power available minus the attenuation losses D. the comparative costs of fiber and copper installations 277. It refers to the abrupt of change in refractive index from core to clad A. step index B. graded index C. semi-graded index D. half step index
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