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!"

Illustration of Cisco Access Control Lists showing traffic filtering from cloud to router denying access to a computer monitor.
CCNA October 12, 2025

Comprehensive Guide to Access Control Lists (ACLs) in Cisco Networking: Concepts, Types, Operations, Wildcard Masking, Creating, Placemnet and Differences (2025)

An Access Control List (ACL) is a critical feature in Cisco networking, used for security and traffic management. It consists of a set of rules designed to filter network traffic by specifying which users or systems are granted access to network resources and what operations they can perform. ACLs are commonly configured on devices with...
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Technology October 12, 2025

Best Mapping Software to Create Heatmaps From Business Data

Heatmaps transform business data into visual patterns that reveal concentrations, trends, and opportunities. When spreadsheets contain thousands of location-based records, converting them into color-coded maps makes the information actionable. Maptive provides the tools and support structure that businesses need to create these visualizations from their data. How Maptive Converts Raw Data Into Strategic Heatmaps Maptive...
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Traveler at airport comparing roaming SIM-only plans on smartphone, representing Maxx’s global connectivity solutions for frequent flyers.
Technology October 10, 2025

Frequent Flyer’s Dilemma: Choosing Between Roaming Plans

Picture this: you’ve just touched down in Bangkok, Tokyo, or Sydney. Your phone searches desperately for a signal while you’re stuck in immigration, unable to message your pickup or check your hotel booking. We’ve all been there, and it’s the worst way to start any trip. The days of surviving on airport WiFi and hoping...
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Sohail Afridi speaking passionately in Khyber Pakhtunkhwa assembly hall, gesturing with open arms amid ornate wooden decor and seated parliamentarians.
News October 9, 2025

محمد سہیل آفریدی: خیبر پختونخوا کے نامزد وزیر اعلیٰ کی جدوجہد اور عروج

محمد سہیل آفریدی، جو پاکستان تحریک انصاف (پی ٹی آئی) کے ایک ابھرتے ہوئے نوجوان رہنما ہیں، آج کل خیبر پختونخوا کی سیاسی دنیا میں سب کی توجہ کا مرکز بن چکے ہیں۔ وہ ضلع خیبر سے تعلق رکھنے والے ایک ایسے سیاستدان ہیں جنہیں اکتوبر 2025 میں سابق وزیر اعظم عمران خان نے صوبے...
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Illustrative graphic comparing Augmented Reality (AR) and 3D models: A person in a VR headset interacts with a virtual red armchair versus a blue wireframe car model on a light blue background.
News October 9, 2025

AR vs 3D Models: Bridging Digital and Physical Worlds

In today’s rapidly evolving digital landscape, immersive technologies are no longer niche—they’re shaping the way we shop, learn, train, design, and even socialize. Two of the most talked-about concepts in this space are augmented reality (AR) and 3D models. At first glance, they may seem interchangeable, but in reality, they represent different layers of the...
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Illustration of two business professionals collaborating on cloud-based IT management with icons representing security, data, global connectivity, and technology infrastructure.
Technology October 2, 2025

Why Managed IT Services Are Essential for Businesses in Reading, PA

Technology is no longer just a tool—it’s the backbone of modern business. From communication systems and data security to cloud access and customer management, companies in Reading, PA rely on technology every day to stay competitive. Yet managing IT in-house comes with significant challenges: unpredictable costs, mounting cybersecurity threats, and the constant need to keep...
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