It is all about security

Category: Physical view

  • Network Interfaces

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    Network devices support a wide range of physical network interfaces, depending on the specific device model and series. Here are some commonly used physical network interfaces: Ethernet Interfaces: Network devices often include Ethernet interfaces for connecting to local area networks (LANs) and wide area networks (WANs). Ethernet interfaces can support different speeds such as 10/100…

  • Network Infrastructure Layout

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    The network physical infrastructure layout refers to the physical components and arrangement of a network system. It includes various devices, cables, connectors, and other equipment that are necessary for establishing and maintaining network connectivity. Here is an in-depth description of the typical network physical infrastructure layout: Network Room or Data Center The network room or…

  • Network Access

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    Basic  – Access – IP Network – Services – Security – Automation Network access refers to the process of connecting a device or system to a computer network, allowing it to communicate and exchange data with other devices on the network. It involves the use of various hardware and software components, protocols, and security measures…

  • Network devices

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    Network devices are hardware components or software applications used to facilitate the communication and transfer of data within a computer network. These devices play a crucial role in establishing and maintaining connectivity, managing network traffic, and ensuring data security. Some common network devices and their functions NIC A NIC (Network Interface Card) is a hardware…

  • Router

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    A router is a networking device that plays a crucial role in connecting multiple computer networks together, allowing the flow of data packets between them. It operates at the network layer (Layer 3) of the OSI model and makes intelligent decisions about how to direct network traffic based on the destination IP address of the…

  • Network Switch

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    A switch, in the context of computer networking, is a device that connects multiple devices in a local area network (LAN) and forwards data packets between them. It operates at the data link layer (Layer 2) of the OSI (Open Systems Interconnection) model. A switch intelligently routes network traffic based on the MAC (Media Access…

  • Firewall

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    A firewall is a network security device that acts as a barrier between an internal network and the external network (usually the Internet). It monitors and controls incoming and outgoing network traffic based on predetermined security rules. The primary goal of a firewall is to protect the internal network from unauthorized access and potential threats.…

  • Modem (modulator-demodulator)

    In computer networking, a modem (short for modulator-demodulator) is a device that enables communication between a computer or other network devices and an internet service provider (ISP) or a telecommunications network. It serves as a bridge between the digital signals generated by computers and the analog signals used by traditional telephone lines or cable systems.A…

  • Access Point

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    In computer networking, an access point (AP) is a device that acts as a central hub for connecting wireless devices to a wired network. It serves as a bridge between wireless devices, such as laptops, smartphones, and tablets, and the existing wired infrastructure, typically a local area network (LAN) or the internet. The access point…

  • Network bridge

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    A network bridge is a device or software component used in computer networks to connect two separate network segments together, allowing communication between them. It operates at the data link layer (Layer 2) of the OSI model and is responsible for forwarding data packets between different network segments.The primary function of a network bridge is…