most protacol use the_ switching technique for data transfer
Answers
Answer:
The most protocol uses the packet switching technique for data transfer.
Explanation:
In large networks, there may be more than one paths for transmitting data from sender to receiver. Selecting a path that data must take out of the available options is called switching. There are two popular switching techniques – circuit switching and packet switching.
Circuit Switching
When a dedicated path is established for data transmission between sender and receiver, it is called circuit switching. When any network node wants to send data, be it audio, video, text or any other type of information, a call request signal is sent to the receiver and acknowledged back to ensure availability of dedicated path. This dedicated path is then used to send data. ARPANET used circuit switching for communication over the network.
Advantages of Circuit Switching
Circuit switching provides these advantages over other switching techniques −
Once the path is set up, the only delay is in data transmission speed
No problem of congestion or garbled message
Disadvantages of Circuit Switching
Circuit switching has its disadvantages too −
Long set up time is required
A request token must travel to the receiver and then acknowledged before any transmission can happen
The line may be held up for a long time
Packet Switching
As we discussed, the major problem with circuit switching is that it needs a dedicated transmission line. In packet switching, data is broken down into small packets with each packet having source and destination addresses, travelling from one router to the next router.
For any networking to be effective, a raw stream of data is to be transported from one device to other over some medium. Various transmission media can be used for the transfer of data. These transmission media may be of two types −
Guided − In guided media, transmitted data travels through a cabling system that has a fixed path. For example, copper wires, fibre optic wires, etc.
Unguided − In unguided media, transmitted data travels through free space in form of electromagnetic signal. For example, radio waves, lasers, etc.
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Explanation:
the most protocol uses the packet switching technique for data transfer.