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!"

Stylized comparison of switch vs. hub showing port differences and labeled for networking education.
CCNA September 21, 2025

Switch vs. Hub: Overcome Obsolete Tech with Expert Guidance (Updated 2025)

In networking, understanding the differences between a switch and a hub (switch vs. hub) is fundamental for students and networking professionals. While hubs were historically used to connect devices in local area networks (LANs), modern networks rely on switches for efficiency, scalability, and security. This article explores their roles, distinctions, and practical applications, with Cisco-specific...
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Illustrative graphic of a robot with educational icons including a graduation cap, lightbulb, book, graph, pencil, and laptop on a circuit board background, representing AI in education.
Artificial Intelligence September 20, 2025

AI and EdTech: The Future of Learning

Artificial intelligence is perhaps the most revolutionary technology of our times. From dominating mundane office tasks to driving predictive medicine, AI is revolutionizing the way companies operate. The advantages are obvious: it minimizes error, accelerates processes, and makes data-driven decisions by discerning unseen patterns. Whether it is AI-powered customer service chatbots or algorithms that detect...
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Three budget smartphones side by side: Motorola in teal, realme in black, and Redmi in white, showcasing rear designs and camera modules on a blue background.
Business September 16, 2025

Phones Under Rs 20000! Can’t Believe – September 2025’s Top Picks

Purchasing a new phone should feel exciting, not stressful. Imagine clicking crystal-clear photos during festive celebrations, streaming your favourite shows without buffering, and staying connected with blazing-fast 5G speeds without breaking your budget. All of this is now possible with the best phones under Rs 20000. You can shop for the top mobile phones under...
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Illustration of eSIM technology featuring a smartphone, physical SIM card, embedded chip, cloud database, and map of China on a blue circuit board background.
Technology September 15, 2025

eSIM Technology in China: Revolutionizing Mobile Connectivity with MicroEsim

eSIM technology in China is steadily transforming the global mobile landscape by enabling remote provisioning of cellular profiles, eliminating the need for physical SIM cards. However, its adoption in China has been slower due to stringent regulatory constraints, limited carrier infrastructure, and device-specific limitations, which have hindered widespread implementation. eSIM Technology – Architecture and Protocols...
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Illustration of diverse people with global communication icons, including a megaphone, earth globe, security shield, and alert document, representing reputation management and audience engagement.
Marketing September 11, 2025

Marketing Strategies for Repairing Reputations and Engaging New Audiences in 2025

In today’s hyperconnected world, a company’s reputation can change in an instant. One misstep, viral mishap, or public relations failure can put a brand under scrutiny, sometimes overnight. However, the same digital age that accelerates damage also offers powerful tools for recovery. Effective marketing strategies are essential not only to repair reputations but also to...
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Illustration of online Discord members interacting in a server, symbolizing community growth, engagement, and trust.
Technology September 11, 2025

The Importance of Online Discord Members for Community Growth, Engagement, and Trust

Discord has developed quickly from a simple chat app for gamers to a vibrant platform for community building. If you run a platform for business, learning, entertainment, or collaboration, online Discord members are key to your community’s progress. A thriving server is not about numbers—it’s about credibility, engagement, and trust. In this article, we’ll look...
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