What Is A Computer Network?
This layer ensures the stable, sequenced and error-free supply of information packets. It achieves this by swapping acknowledgment of data reception and retransmitting misplaced or dropped packets. Typical protocols used on the transport layer include TCP and User Datagram Protocol. These are the rules or protocols that every one nodes on a network must comply with for data switch.
Because of these entry factors, network safety requires using a quantity of protection methods. Defenses might embody firewalls—devices that monitor network site visitors and stop access to parts of the network based on safety guidelines. Network congestion happens when a link …
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