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When you happen to be studying for your CCNA exam, whether you happen to be taking the Intro-ICND path or the single-exam path, you are rapidly introduced to the reality that switching occurs at Layer 2 of the OSI model. No issue there, but then other terms involving switching are thrown in, and some of them can be a lot more than a little confusing. What is "cell switching"? What is "circuit switching"? Most confusing of all, how can you have "packet switching"? Packets are found at Layer 3, but switching happens at Layer 2. How can packets be switched?

Unwind! As you will see in this article, the terms are not that challenging to maintain straight. Packet switching, for example, describes a protocol that divides a message into packets ahead of they're sent. In the event people want to get more about http://www.prweb.com/releases/beanbagchairs/julysale/prweb10900343.htm, there are lots of online resources people might investigate. The packets are then sent individually, and may possibly take various paths to the very same destination. When the packets arrive at the final destination, they are reassembled.

Frame switching follows the very same approach, but at a various layer of the OSI model. Bean Bags Kids contains supplementary resources about the purpose of this belief. When the protocol runs at Layer 2 rather than Layer three, the procedure is referred to as frame switching.

Cell switching also does significantly the identical thing, but as the name implies, the device in use is a cell switch. Cell-switched packets are fixed in length. ATM is a common cell-switching engineering.

The process of circuit switching is just a bit distinct, in that the method of setting up the circuit itself is part of the process. The channel is set up between two parties, information is transmitted, and the channel is then torn down. Giant Bean Bag contains further about how to see about it. The circuit-switching engineering most familiar to CCNA candidates is ISDN.

Do not let these terms confuse you. The four various terms are describing considerably the very same process. The major distinction is that they are occurring at distinct levels of the OSI model, and making use