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What is a Virtual Private Network (VPN) and How Does it Work?

Virtual Private Network (VPN) is a technology that allows users to create a secure and private network connection over the internet. VPNs are becoming increasingly popular among individuals and businesses alike, as they provide a range of benefits such as enhanced privacy and security, and the ability to access content that may be blocked or …

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What is optical fiber? Briefly describe the structure of optical fiber. What are characteristics of optical fiber?

Optical Fiber Optical fiber is a type of dielectric (insulating) material, such as glass or plastic, capable of transporting light. High-speed data can be transmitted through optical fibers by total internal reflection of light. The biggest feature of optical fiber is that it transmits light signals instead of electrical signals. Currently available optical fibers have …

What is optical fiber? Briefly describe the structure of optical fiber. What are characteristics of optical fiber? Read More »

What is flowchart? What are characteristics of flowchart? What are the rules for creating flowchart?

Flowchart A flowchart is a representation of a decision sequence or algorithm. This is a series of pictures that show how to proceed in order to solve a problem. Purpose of a flowchart is to show the flow of the program. The function is to show the steps of decision sequence or algorithm in the …

What is flowchart? What are characteristics of flowchart? What are the rules for creating flowchart? Read More »

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