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What are the Core Concepts of Computer Networking?


Computer Networking, or simply Networking, is a necessary skill set for everyone in this IT industry. A solid grasp of computer networking can help you display expertise that will make you a more competent candidate for specific employment. Thus, networking is essential for system and network administrators, network technicians, and network engineers. Also, this technology is gaining immense popularity in multiple firms and organizations, increasing the demand for professionals. So, if you desire a career in the networking domain or want a career change in this domain, the Networking Training Institute in Delhi is the best option for you. It helps you to become proficient in this domain and trains you to kickstart careers with high-paying jobs.

Computer Networking: Meaning

Computer networking is a type of engineering that necessitates research, analysis, and issue resolution relating to how computing equipment connects. Moreover, a network technician is a computer networking professional who guarantees the successful connection of computing equipment to form a computer network. Thus, computer networks comprise nodes that exchange information and resources to promote communication.

Furthermore, networking profiles include network administrator, technician, and network engineer. Other job titles in computer networking include systems engineer and systems administrator. Additionally, the industry is expanding due to the rise in the requirements for large firms to go fully digital and additional cloud computing options.

Core Concepts of Computer Networking

A networking professional must understand the following key concepts of computer networking:

· LAN vs. WAN

A local area network, or LAN, is a network that links computing devices that are close to one another. This might be a business building where a local network is a must for resource sharing. On the other hand, a wide area network, or WAN, is a network that does not limit geography and depends on DNS protocols and IP addresses.

· Clients & Servers

A server is a huge computer that stores services, photos, digital video, internet protocols, and other information that clients may access. Thus, a client is a computing device that interacts with a server to obtain information and data. The client can be a personal computer, such as a tablet, smartphone, or laptop.

· DNS lookup & IP addresses

The domain naming system, or DNS, is a critical element of network architecture. This is because DNS maps the domain name to an IP address. When you put a domain name into your browser, DNS looks for the IP address associated with the domain name and redirects you to a webpage.

Moreover, an IP address is a network address for any device that connects to the internet. It is linked to other things, such as email addresses, to get data, such as an email. When the internet sends an email, the IP address instructs it where to send it.

· Ethernet

Ethernet is a LAN protocol. It is a cable that contains the components required to connect computing equipment to a network, such as a network interface card (NIC). Also, it is the most common device for joining LAN networks and has been the top choice for dependability and ease of use. However, it’s easy to identify the Ethernet device using the MAC address. Network engineers may map an IP address to a MAC address using address resolution protocol (or ARP). Thus, providing each piece of equipment unique identity.

· Default gateway

When your computer communicates with other computing devices that are not on your LAN, it uses a default gateway. As a result, the default gateway is accessible only to a piece of hardware known as a router. Routers are essential tools that network administrators utilize regularly.

· Routers & Switches

The router’s goal is to transfer traffic to IP subnets, as when they provide a gateway for computer devices to move from LAN to WAN networks. Routers can provide extra features such as security enhancements, like firewalls and improved capability with multi-port switches.

On the other hand, switches can connect computers to a local area network (LAN). These operate by switching frames in response to MAC address information received. Moreover, network administrators must be capable of connecting to both LAN and WAN networks.


Hopefully, you may find this article informative and helpful. We have compiled the core concept of computer networking that is crucial to master for a promising career as a networking professional. Also, you can enroll in Networking Training in Noida, which will help you to gain proficiency and get a high-paying job.


Hi, Tech lovers, My name is Shams Khan. I am an SEO executive at Croma Campus. I always love to share the latest updates and influence people about new technology. I am always keen to learn and adopt new things providing. If you have any queries regarding IT training course then contact me.

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