Networks for beginners: Category

What is DNS and how does the Domain Name System work?

🕒 Reading time: 4 min

Domain name system: How does DNS work?

Billions of requests and website views occur every day on the Internet. But few people think about how exactly the process of navigating to a website at the entered address…

30.08.2024

Network utilities: Ping, Traceroute, WHOIS, Dig

🕒 Reading time: 4 min

Checklists and cheat sheets For beginners For experienced

Network utilities: Ping, Traceroute, WHOIS, Dig

Network utilities are an important part of the toolkit for both system administrators and users who want to understand the state of their network. Let's take a closer look at…

22.08.2024

The process of data encapsulation and decapsulation in the OSI model

🕒 Reading time: 3 min

For beginners Networks for beginners

Data encapsulation and de-encapsulation in the OSI model

Every computer on a network uses a standardized process of encapsulating data to transmit it. As the data travels through the layers of the OSI model, each layer adds information…

21.08.2024

TCP/IP model and its comparison with OSI

🕒 Reading time: 4 min

For beginners Networks for beginners

TCP/IP model and its comparison with OSI

The TCP/IP model is very similar to the OSI model in many aspects. It was developed a little earlier and is the basis for real network interactions. The TCP/IP model…

20.08.2024

OSI model: Understanding the 7 Layers of Computer Networks

🕒 Reading time: 6 min

For beginners Networks for beginners

OSI model (Open Systems Interconnection): Computer networks

The OSI (Open Systems Interconnection) model is a standard model consisting of 7 layers and serves to explain the theory of computer networks. Each layer of the OSI model performs…

18.08.2024

🕒 Reading time: 5 min

Checklists and cheat sheets For beginners For experienced

Nmap: What is it and how to use it?

In the ever-changing cybersecurity landscape, it's important to have tools at your disposal to help you assess your network's security and identify potential vulnerabilities. One such tool in particular is…

15.08.2024