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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
Q. What is Authentication ? - Verification of sender's identity. - Accomplished through a digital signature, which is based on public key encryption/decryption. - Uses re
Q. What is Source Routing? Source Routing - Sender of packet defines bridges and routes that packet should take - Complete path of bridge IDs and destination address i
Give the Description of security tools Software are coming up in which the user can select the kind of security measure required to be taken for encryption. One such example is
The Internet Layer The internet layer is responsible for routing the data packets to the appropriate destination. Internet protocol (IP) is responsible for ensuring dat
Q. Categories of Encryption - Decryption ? Categories of Encryption/Decryption - Symmetric-key - encryption key (Ke) and the decryption key (Kd) are the same and secret
Error detection and correction The digital traffic stream of second generation systems also lends itself to the use of error detection and correction methods. The result can be
Elements of protocol
Use Packet Tracer software to model the network that you have designed, and configure the network to make sure it is running properly. The following requirements should be met:
Ans) the two commands are:- show ver show flash
Q. What are the basic key functions of data link layer? Ans: Data link layer transfers data in a structured and reliable manner so that the service given by the physical layer
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