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 Countermeasures of the network A countermeasure is a system or technology that can prevent or mitigate the effects of a threat. Countermeasures such as firewalls and intrusion detection systems are implemented on devices that may be used in a variety of ways. For example, a firewall countermeasure can help prevent the exploitation of a vulnerability by an attacker. A firewall is an application-level security measure that separates clients from servers or network resources. For example, malware can be detected and prevented from running. Malicious software may also contain backdoors or other methods of bypassing security measures. Hardware countermeasures are a means of prevention; for example, if an attacker succeeds in executing code on your computer by exploiting a vulnerability in a piece of software on your device, you want to ensure that this does not happen again. Modes of conduct can take the form of behaviors such as changing passwords periodically and using only two-facto...

What is a MAC address and why is it needed? A MAC address (media access control address) is a completely unique identifier assigned to a NIC (network interface controller) for use as a community address in communications within a community section. This use is commonplace in most IEEE 802 networking technology, which includes Ethernet, Wi-Fi, and Bluetooth. A MAC address is usually stored in the NIC’s flash memory, which means it cannot be changed by the user. However, some NICs allow you to change this value by reprogramming their flash memory. Why could you need a MAC address? The MAC addresses are an essential detail of laptop networking. MAC addresses uniquely perceive a pc on the LAN. MAC is a vital factor required for network protocols like TCP/IP to be characteristic. Computer operating systems and broadband routers guide viewing and now and again converting MAC addresses. How do MAC addresses work? Since MAC addresses are assigned without delay by means of the hardware ...

What Is an IP Address? An IP address is a small digit that uniquely identifies an Internet-connected device. Each device connected to the internet must have an IP address.  These numbers are assigned by organizations, but they don't always make sense. IP addresses are made up of four parts, each separated by periods (dots). The first three numbers identify the area of the world where a device is located. The last number identifies the specific device within that area.  For example, if you're in Seattle and your IP address is 123.456.789 , it means that you're somewhere in North America (123) on a server with 456 other devices.  You can check your IP address by visiting a website like What is my IP or by using a mobile app. You can also find it in your phone settings or on your computer. How an IP Address Works An IP address is a 32-bit number. It uniquely identifies a bunch (laptop or another device, such as a printer or router) on a TCP/IP community. IP addresses are com...

What is a network? A network is a set of interconnected devices that allow devices to share resources and transfer data to other devices on or off the network. Network devices include hubs, bridges, routers, and switches. Network media includes copper, fiber optic cables, and wireless. A network uses many different types of protocols to exchange data (such as ethernet) To create a network we have to have a number of basic additives which include Network Devices Explained | Hub, Bridge, Router, Switch When we communicate about networks gadgets we may think approximately a group of computers connected together, however, a network also can include other items along with servers, printers, game consoles together with the ps4, mobile phones, and devices together with the amazon echo, also called a voice controlled intelligent personal assistant. generally speaking, we name those gadgets are referred to as “nodes” or “hosts”. Network Media The Network Media must be linked...

How Does The Internet Work The Internet is a global computing network that delivers a variety of data and media across interconnected devices. It runs on a packet routing network that follows Internet Protocol (IP) and Transportation Control Protocol (TCP) We all use it daily, but do we all know how it really works? This video explains to everyone how the Internet works and where it comes from. You will find out that there is a large network of underwater cables that connect countries and continents, you will find out what an IP address is and what it is used for, and finally, you will know how the internet reaches you on your phone or computer. The Internet Work Diagram The Internet is everywhere, but still nowhere. He is on the phone, TV, or computer, but where exactly does he come from? Every time you receive a notification, access a site or send an email, the data is sent via cables that are found all over the globe and so reach the recipient. The data you want to ...