Computer Network Articles - Page 4 of 131

Ethernet is a widely used local area networking technology that enables devices to communicate with each other. Ethernet frames are basic units of data that are transmitted over Ethernet network. In this article, we will explore Ethernet frame format in detail, including various fields that make up frame and purpose of each field. Introduction to Ethernet Frames An Ethernet frame is a packet of data that is transmitted over an Ethernet network. frame is composed of a header, a payload, and a trailer. header and trailer contain information about frame, such as source and destination addresses, while payload contains actual ... Read More

Introduction In modern computer networks, high availability and increased bandwidth are essential requirements. EtherChannel is a link aggregation technique used to combine multiple physical links into one logical link. This article explains concept of EtherChannel, its benefits, and how it works. What is EtherChannel? EtherChannel is a link aggregation technique used in computer networks to combine multiple physical links into a logical link. goal is to increase available bandwidth and provide redundancy, fault tolerance, and load balancing. In an EtherChannel, multiple physical links are bundled together, appearing as a single logical link to network devices connected to it. Benefits of ... Read More

Introduction PPP (Point-to-Point Protocol) is a network protocol that allows communication between two devices over a point-to-point connection. It is a widely used protocol for establishing and managing Internet connections over dial-up, DSL, and other types of connections. PPP uses a variety of commands to configure and manage communication session between two devices. One such command is "ADD PPP" command. In this article, we will discuss ADD PPP command in PPP configuration, its significance, and various examples of its usage. What is ADD PPP Command? The ADD PPP command is a configuration command used to create a new PPP session ... Read More

In today's digitally connected world, security is a critical concern for organizations of all sizes. With rise of cyber attacks, it has become imperative to implement security measures that not only provide protection but also adapt to evolving threats. One such security measure is Adaptive Security Appliance (ASA). An Adaptive Security Appliance is a security device that is designed to protect network infrastructure by providing advanced security features such as firewall, VPN, and intrusion prevention system (IPS) capabilities. ASA offers a range of features that provide an effective defense against cyber threats, making it a popular choice for organizations seeking ... Read More

In today's digital world, cyber attacks are becoming increasingly sophisticated, and organizations must continuously monitor and improve their security measures. Penetration testing, commonly known as pen testing, is a crucial step in identifying vulnerabilities and weaknesses in an organization's systems, networks, and applications. One critical area that needs to be tested is the organization's Active Directory (AD). This article will discuss Active Directory pen testing, why it is essential, and some examples of AD vulnerabilities. What is Active Directory? Active Directory is a directory service developed by Microsoft for managing and organizing information about users, computers, and other resources in ... Read More

Introduction Access networks are means by which internet service providers (ISPs) provide internet connectivity to their customers. They are final part of infrastructure that connects end-users to internet. Access networks can be wired or wireless and have different characteristics that make them suitable for different applications. Wired Access Networks Wired access networks are a type of computer network infrastructure that uses physical cables or wires to connect devices to internet or a local network. They are typically installed in buildings or homes to provide a stable and reliable connection to internet or other devices within network. Wired access networks have ... Read More

Introduction In computer networking, a network switch is a device that connects network devices together to enable communication within a network. Switches are an essential component of any modern network, and they provide a way to manage network traffic by directing data to appropriate device. Access and trunk ports are two types of ports used on switches to manage network traffic. In this article, we will discuss access and trunk ports, their differences, and when to use them. What are Access and Trunk Ports? Access ports and trunk ports are two types of ports used on network switches. Access ... Read More

Introduction With rapid advancement of technology and growth of internet, network security has become an increasingly important issue. Organizations and individuals alike are constantly at risk of cyber-attacks, and consequences of a successful attack can be devastating. In this article, we will discuss a model for network security that can be used by organizations to protect their networks. Understanding Threat Landscape Before implementing a network security model, it is important to understand threat landscape. Cyber attackers can use a variety of techniques to compromise a network, including − Malware Malware is malicious software that is designed to damage, disrupt ... Read More

Introduction When it comes to gaming monitors, one of key specifications that is often discussed is refresh rate. A monitor's refresh rate determines how many times per second screen is updated with new information. two most popular refresh rates are 60 Hz and 144 Hz. While many gamers swear by benefits of a 144 Hz monitor, others argue that difference is negligible. In this article, we will explore differences between 60 Hz and 144 Hz and help you decide which one is right for you. What is Refresh Rate? Before we delve deeper into topic, let's first understand what refresh ... Read More

Introduction Computer networking is a critical aspect of modern technology. In today's connected world, almost every organization relies on networking to share data and resources. Networking involves connection of multiple devices, such as computers, servers, printers, and other hardware devices, to facilitate communication and data transfer. Aspiring network engineers and IT professionals must have a solid understanding of principles and practices of computer networking to build and maintain efficient network infrastructures. In this article, we'll review six best books to learn computer networking. "Computer Networking: A Top-Down Approach" by James F. Kurose and Keith W. Ross "Computer Networking: A Top-Down ... Read More