Day: August 9, 2019

Diagram of small network topology with router, switch, servers, and connected devices.
CCNA August 9, 2019

Small Network Topologies – Exclusive Details (Updated 2025)

This guide is designed for network professionals using Windows (e.g., 10/11) or Linux (e.g., Ubuntu 22.04) systems. Network configuration can be managed via Command Prompt (cmd) on Windows or terminal (Ctrl + Alt + T) on Linux, with tools like ipconfig (Windows) or ifconfig (Linux) for IP management. These OS platforms are essential for implementing […]
Asad Ijaz Read More
Diagram illustrating DNS hierarchy, message format, security threats, and common record types.
CCNA August 9, 2019

DNS-Domain Name System

The Domain Name System (DNS) is the backbone of modern networking, translating human-readable domain names like networkustad.com into machine-readable IP addresses such as 64.91.237.241. For CCNA and CCNP students, understanding DNS is critical because it underpins how devices communicate in IP networks, including Cisco-based infrastructures. Think of DNS as the Internet’s phone book, enabling seamless […]
Asad Ijaz Read More
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