Cisco CCNA certification examination coaching signifies you’ve acquired to discover a large amount of new phrases, and some of them can be a minor bewildering at initial. To move this tricky certification exam, just one time period you undoubtedly need to have to recognize is packet switching. The very first problem, of program, is “What is packet switching in the to start with location?” Let us determine this time period in modern Cisco CCNA exam prep tutorial.

Packets transmitted from “point A” to “point B” all have to arrive at the exact vacation spot, but with packet switching, they do not all have to acquire the exact same route to get there. If you and I are standing 10 feet aside and I want to toss a basketball to you, I have acquired a pair of alternatives. I could bounce the ball off the floor to you, I could toss it straight at you, or I could toss it large into the air to you. Packet switching is genuinely the same thing – packets will choose unique paths to get from resource to destination, but the conclusion consequence is that all the packets arrive at the desired destination. The packets are then reassembled to consider the form of the unique information.

Packet switching may well sound a minor odd, but it is a quite efficient way of transporting details. Frame Relay is a packet switching technologies, as is X.25, and both equally of these protocols are highly successful.

If we have packets that need to get there at the destination in the similar get in which they still left the source, packet switching is just not a good selection. For this predicament, we are going to require to use some form of circuit switching, and we will focus on that in tomorrow’s Cisco CCNA certification training post!