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Q. Show the Refraction and Reflection in Fiber-optic cable ?
- Refraction often takes place when light bends as it passes from one medium to another less dense medium
- When this angle consequences in a refraction great enough reflection occurs and the light no longer passes into the less dense medium
Reflection
- Optical fibers utilize reflection to guide light through a channel
- Information is encoded onto a beam of light like a series of on-off pulses representing 1s and 0s
How do we do encryption and authentication in L2TP?
Can you describe screened host architecture?
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In Novell's use of RIP, there are two metrics used to make routing decisions. What are they? Ans) A. Ticks. B. Hops
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QUESTION a) National regulations require the availability of the following services for all IP to PSTN, PSTN to IP, and IP to IP calls. Name any three types of these features
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