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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
Name the layer responsible for putting 1s and 0s into a logical group? Ans) Frames are broken down into 1s and 0s and placed onto the physical medium by the Data Lin layer.
discuss the concept of redundancy in error detection and correction
Split Horizon - If you attain a protocol's route on an interface, do not send information about that route back out that interface.
Advantages and Disadvantage of Computer Networking Most of the benefits of networking can be divided into two generic categories Connectivity and sharing. Networks
What is the method of BGP speakers and Peers?
What is multiplexing and demultiplexing? Explain. Describe Time division, Frequency division and Wavelength division multiplexing. What is ADSL? How does it use multiplexi
Hierarchy of DNS Servers DNS uses a large number of server organized in hierarchical fashion and distribution around the world. No single DNS server has all of the mappin
Question : a) Give three examples of vulnerable services which are among the overwhelming majority of successful attacks. b) Name the five outside sources which can be the
802.11a OFDM a) Orthogonal frequency-division multiplexing utilizing a 5-GHz band b) Same as FDM except all sub bands are used by only one source at a given time c) Secu
LAN Topologies The term topology explains the geographic arrangement of networking devices. It explains the actual layout of the network hardware. Given the location of worksta
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