CCNA Archives » NetworkUstad

The functions of the Router Briefly Explained

July 26, 2025 By Asad Ijaz

Routers are the cornerstone of modern networking, enabling seamless communication between devices across local and global networks. For CCNA and...

Network Applications and Application Layer Services for CCNA/CCNP Success (Updated 2025)

July 6, 2025 By Asad Ijaz

Network applications and application layer services are critical components of modern networking, forming the backbone of communication in enterprise and...

Virtual Port Numbers Explained: Your Gateway to Smarter Networking with our Exclusive Guide 2025

July 2, 2025 By Asad Ijaz

The transport layer uses two port numbers: the source port and the destination port. The source port numbers belong to...

Understanding Transmission Modes: Simplex, Half-Duplex, and Full-Duplex Explained

June 22, 2025 By Asad Ijaz

Transmission modes define the direction and flow of data between devices in a network, playing a critical role in determining...

Common Network Port Numbers: A Comprehensive Guide to Understanding and Using Them Effectively

June 21, 2025 By Asad Ijaz

Network ports act as virtual endpoints for communication in a network, allowing devices to exchange data using standardized protocols like...

What Is an IP Address? A Complete, Exciting Guide for Beginners 2025

June 13, 2025 By Asad Ijaz

The word “IP ” stands for “Internet Protocol.” An Internet Protocol or IP Address is a unique logical numeric address...

SFP and SFP+ Modules: The Ultimate Guide to Choosing and Setting Up 10G Transceivers

June 1, 2025 By Asad Ijaz

Discover everything you need to know about SFP+ modules, including their functionality, compatibility with network switches, and step-by-step setup for...

Telnet vs. SSH: A Comprehensive Comparison of Remote Access Protocols 2025

May 25, 2025 By Asad Ijaz

This article explores Telnet vs. SSH, two protocols for remote access to devices and systems, comparing their security, functionality, and...

The Future of Connectivity: A Comprehensive Guide to 6G Networks

May 25, 2025 By Asad Ijaz

The evolution of wireless communication has been a cornerstone of technological progress, transforming how we connect, communicate, and interact with...