What is an Address Resoultion Protocol and why do we care?

ARP Address Resolution Protocol, a network layer communications protocol used to convert an IP address into a carnal address (called a DLC address), such as an Ethernet address. A force wishing to obtain a physical address broadcasts an ARP call for onto the TCP/IP network. The host on the network that has the IP address in the request then replies with its physical ironw ar address. Discuss multiplexing: To combine multiple signals (analog or digital) for transmission oer a whiz line or media. A common type of multiplexing combines several low-speed signals for transmission over a single high-speed connection. Crosstalk: A disturbance caused by electromagnetic interference, along a circuit or a melodic line pair. EMI: Short for electromagnetic interference, a naturally occurring phenomenon when the electromagnetic line of products of one device disrupts, impedes or degrades the electromagnetic field of slightly other device by coming into proximity with it.What are some upsides and downsides of fiber optic: Fiber optic cables have a much greater bandwidth than metal cables. This means that they can poke out more data. Fiber optic cables are less nonimmune than metal cables to interference. Fiber optic cables are much vapourous and lighter than metal equips. The main disadvantage of fiber optics is that the cables are expensive to install. In addition, they are more fragile than wire and are difficult to split. What is internetworking?



: The art and science of connecting individual local-area networks (LANs) to pee-pee wide-area networks (WANs) , and connecting WANs to form even larger WANs. Devices: Any machine or component that attaches to a computer. Examples of devices include disk drives, printers, mice, and modems. These particular devices deliver into the category of peripheral devices because they are separate from the main computer. Repeaters: is a physical layer device used to interconnect the media segments of an elongated network. A...

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