O guia definitivo para network

O guia definitivo para network

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Bus network. A bus network follows the LAN topology, where devices in a single LAN are attached directly to a transmission line known as a bus. All signals pass through all devices, and the recipient device recognizes the signals intended for it.

Hybrid Topology: Hybrid topology is the combination of two or more different topologies (like star and mesh). It is flexible and can be customized based on the network’s specific needs.

When you buy a new computer, the first thing you’ll probably try to do is connect to the Net. To do this, you establish a connection to your router, which receives the data from the Net and then forwards it to the computer.

Firewalls: Devices or software that monitor and control incoming and outgoing network traffic based on security rules.

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Service provider networks. These are network providers that lease network capacity and functionality to customers. Providers typically consist of telecommunication companies, data carriers, internet service providers and cable television providers.

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Network systems must follow certain standards or guidelines to operate. Standards are a set of data communication rules required for the exchange of information between devices and are developed by various standards organizations, including IEEE, the International Organization for Standardization and the American National Standards Institute.

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What is a network? In information technology, a network is defined as the connection of at least two computer systems, either by a cable or a wireless connection. The simplest network is a combination of two computers connected by a cable.

Resource sharing. Enterprises of all sizes can use a computer network to share resources and critical assets. Resources for sharing can include printers, files, scanners and photocopy machines.

Application layer. Security protocols, such as Transport Layer Security, operate at this layer and play an integral part in ensuring network security. This is the abstraction layer that communicates directly with applications and defines how high-level apps should access the network to start a data transfer.

The working of Computer Networks can be simply defined as rules or protocols which help in sending and receiving data via the links which allow Computer networks to communicate. Each device has an IP Address, that helps in identifying a device.

Partial mesh network. Only some nodes connect directly to one another, while others are only connected to one or two other nodes in the network.