Author: Asad Ijaz

NetworkUstad's lead networking architect with CCIE certification. Specializes in CCNA exam preparation and enterprise network design. Authored 2,800+ technical guides on Cisco systems, BGP routing, and network security protocols since 2018. Picture this: I'm not just someone who writes about tech; I'm a certified expert in the field. I proudly hold the titles of Cisco Certified Network Professional (CCNP) and Cisco Certified Network Associate (CCNA). So, when I talk about networking, I'm not just whistling in the dark; I know my stuff! My website is like a treasure trove of knowledge. You'll find a plethora of articles and tutorials covering a wide range of topics related to networking and cybersecurity. It's not just a website; it's a learning hub for anyone who's eager to dive into the world of bits, bytes, and secure connections. And here's a fun fact: I'm not a lone wolf in this journey. I'm a proud member and Editor of Team NetworkUstad. Together, we're on a mission to empower people with the knowledge they need to navigate the digital landscape safely and effectively. So, if you're ready to embark on a tech-savvy adventure, stick around with me, Asad Ijaz Khattak. We're going to unravel the mysteries of technology, one article at a time!"

Diagram comparing OSI layers with TCP/IP layers.
CCNA May 2, 2025

A Guide to the TCP/IP Model and Protocol Suit

In 1970, the Defense Advanced Research Projects Agency (DARPA) began working to create an open standard network model known as the TCP/IP Model. Subsequently, by 1985, the TCP/IP model started gaining more importance and support from vendors, ultimately replacing the OSI model. The Internet Engineering Task Force (IETF) maintains the TCP/IP model and related protocols. The TCP/IP model was on the...
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Close-up of dried poppy pods showcasing their natural, rustic beauty.
Food April 29, 2025

Dried Poppy Pods: Nature’s Rustic Treasure

Dried poppy pods, the mature seed heads of the poppy plant (Papaver somniferum), have captivated people for centuries with their unique aesthetic and historical significance. These pods, once vibrant and full of life, dry into intricate, earthy structures that are valued in crafts, decor, and cultural traditions. This article explores the uses, characteristics, and considerations...
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Secure DICOM technology safeguarding patient data in medical imaging.
Technology April 29, 2025

Secure DICOM: Protecting Patient Data in Medical Imaging

In the rapidly evolving healthcare landscape, medical imaging plays a crucial role in diagnosis and treatment planning. Behind these vital images lies DICOM (Digital Imaging and Communications in Medicine), the international standard for medical images and related information. While DICOM has revolutionized healthcare by enabling the seamless sharing of diagnostic images, it also presents significant...
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Hand holding a smartphone displaying a proxy provider app with the text "Get started.
Technology April 29, 2025

Coronium.io: The 4G Mobile Proxy Marketplace Changing the Game

When most people think about proxies, they picture slow, unstable connections — and a maze of shady providers. Coronium.io is flipping that image on its head. Built by tech professionals who understand both the power and the pain points of proxies, Coronium.io is a 4G mobile proxy marketplace designed for reliability, transparency, and real-world performance....
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A detailed diagram showing data encapsulation and de-encapsulation processes, with labeled layers from Application (Layer 7) to Physical (Layer 1) for both sender and receiver.
CCNA April 28, 2025

Understanding Data Encapsulation and Decapsulation in OSI Layers: A Comprehensive Guide With Simulator Updated 2025

Data encapsulation and de-encapsulation are crucial for transmitting information across computer networks. Encapsulation involves wrapping data in a specific format before sending it over the network, ensuring it can traverse various communication mediums and reach its destination intact. On the other hand, de-encapsulation is the process of unwrapping and extracting the original data at the...
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A mini dab rig displayed on the left side of a colorful, abstract background in green and blue tones, accompanied by bold yellow text on the right reading "MINI DAB RIGS OVER FULL SIZE OPTIONS" with a pink underline.
Crypto April 27, 2025

What Affects Bitcoin Price the Most? 7 Key Factors Explained

Bitcoin is known for its price volatility, and while some see this as a risk, others view it as an opportunity. But what drives the ups and downs of the world’s most famous cryptocurrency? Understanding the main Bitcoin price drivers can help both beginners and experienced investors make more informed decisions. From macroeconomic forces to crypto-specific events,...
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A colorful graphic featuring a mini dab rig on the left side, accompanied by bold text reading "MINI DAB RIGS OVER FULL SIZE OPTIONS" on the right, set against an abstract green and blue background.
Health April 27, 2025

Why First-Time Buyers Keep Choosing Mini Dab Rigs Over Full-Size Options

The cannabis accessory space is changing quickly, with new users driving demand for gear that’s simple, portable, and budget-friendly. One clear trend is emerging: more first-time buyers are gravitating toward compact setups instead of traditional full-size rigs. For those just getting started, a mini dab rig offers the right mix of ease and efficiency. Tucked...
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OSI Model
CCNA April 27, 2025

OSI Model, including its 7 Layer Introduction

As the importance of computers grows, vendors recognize the need for networking with them. They produced a variety of protocols whose specifications were not made public. Hence, each vendor had different ways of networking computers, and these ways were not compatible with each other. This means that the computers of one vendor could not be...
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