Firewall: A firewall is a security device that is used to monitor and control incoming and outgoing network traffic. Firewalls are used to protect networks from unauthorized access and other security threats.
Here’s a real-life example: In a typical office, every workstation has its own computer. Without a network of computers, it would be very difficult for a team to work on a project since there would be no common place to share or store digital documents and information, and team members would not be able to share certain applications.
Mechanical switches were used so that peripheral devices could also be shared. Due to physical limitations (cable length), the devices and computers always had to be very close to each other.
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WLANs. This is a group of colocated devices that use radio transmission instead of wired connections.
Computer networks are especially beneficial for larger and globally spread-out organizations, as they can use a single common network to connect with their employees.
Bus Topology: In bus topology all devices are connected to a single central cable called a bus. Data is sent along this cable and all devices share the same connection. Simple and cheap to set up but if the main cable fails the whole network goes down.
Há diversas ferramentas e aplicativos que ajudam no gerenciamento e monitoramento por networks. Algumas das Ainda mais populares incluem:
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Flexibility. Today's computer networks enable people to use flexible communication and resource-sharing methods based on their needs and preferences. For example, some people might use email or instant messaging to communicate, while others might prefer using an app such as WhatsApp.
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Understanding the basics of computer networking is essential in today’s interconnected world. Networks enable the seamless exchange of information, support countless applications, and underpin the functionality of the Net.
Before the advent of modern networks, communication 男同网 between different computers and devices was very complicated. Computers were connected using a LAN cable.