Network and Fiber Optics

 

Network and Fiber Optics

An IP address is a unique identifier for a device on a network. It is divided into two parts i.e. Network part and host part.  Subnetting allows a larger network to be divided into smaller, more manageable parts. The subnet mask helps determine which part of the address is for the network and which part is for the host. There are many different classes of IP addresses that are used depending on the size of the network. Subnetting allows you to create multiple smaller sub-networks within a larger one, saving IP address space. Variable Length Subnet Masks allow even more efficient use of address space by giving different subnets different sizes. Classless Interdomain Routing is another method that improves address usage by removing the traditional classes.

Fiber optics is a technology used to transmit data, voice, and images through thin strands of glass. This is known as optical fibers, which are about the size of a human hair. These fibers carry light signals over long distances, and they are often used in telecommunications, internet, and cable TV. Unlike copper wires, fiber-optic cables are more efficient, offer higher bandwidth, and are less prone to interference, making them a better choice for communication systems. The light signals travel through the fibers due to a principle called total internal reflection, which allows the light to bounce within the fiber's core, even around bends, ensuring the signal reaches its destination.

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