Respuesta :
Small office/home office (SOHO) routers are basic network devices for millions of consumers. These are often the single ingress and egress point of the SOHO network, managing domain name resolution, firewall protection, dynamic addressing, wireless connectivity, and of course routing.
It consists of multiple LANs with backbone infrastructure connections. This is a large network, such as those used by businesses and schools, with hundreds or thousands of hosts interconnected. It is a collection of interconnected private and public networks. Each layer of the OSI model depends on the layer below it to function. If the lower level has a problem, the higher level cannot function or communicate. For example, HTTP is a common Layer 7 (application layer) protocol. Encryption is the ability of a device to convert information into encrypted text to prevent unauthorized access. Essentially, when your device is locked, your data is encrypted so only users with the proper access can access it.
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