Basic Fiber Optics – 2

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#1. Which one of the following fiber types is best suitable for a Coarse Wavelength Division Multimplexing?

#2. A difference in refractive index (known as refractive index delta) between the core and cladding is necessary to ensure total internal reflection. What is that typical difference in conventional single mode fiber in percentage?

#3. What is the approximate life expectancy of a Passive Optical Network (including all components) that is generally accepted in the telecom standardization authorities?

#4. Which one of the following is a color coding standard?

#5. A telecom operator deployed 48 fiber cables to connect between two exchanges. The operator decides to use only 24 fibers for transmission out of the 48 fibers. Remaining unused fibers are known as;

#6. There is a fiber break in the network at around 3 kilometers. You want to test and find the location of fiber break. Which one of the following equipment you will use?

#7. Which one of the following can be measured using OTDR?

#8. The knowledge of failure probability of components in network based on timed history of usage enables operator to be proactive before the actual failure and breakdown. Which one of the following is used to indicate that?

#9. Dispersion in an optical fiber in network is directly influenced by which one of the following?

#10. Mating Durability for Fiber Optic Interconnecting Devices is specified in which one of the following standards?

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