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!"
A person using a laptop with a Wi-Fi symbol on the screen, surrounded by images of network cables and a communication tower.
CCNA May 21, 2025

Comprehensive Guide to Types of Physical Media and Networking Cables

Want to build rock-solid networks? Start with the cables. Network physical media are the highways for data. They connect our computers, routers, switches, and servers in the digital world. These transmission channels operate in the Physical Layer. This is the first layer of the OSI framework. They fall into two main types: guided systems that […]
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Illustration comparing bandwidth and throughput using highway lanes filled with cars to represent data flow, showing full lanes for bandwidth and partial lanes for throughput.
CCNA May 18, 2025

Bandwidth vs Throughput: Understanding the Key Differences in Networking

In today’s digital world, terms like bandwidth and throughput are frequently used in networking, but they’re often misunderstood or used interchangeably. Whether you’re streaming a 4K video, managing a cloud-based application, or setting up a local network, understanding the distinction between bandwidth and throughput is crucial for optimizing performance. This article dives deep into their […]
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May 14, 2025

What Should You Look for in a Wholesale Vape Partner?

A properly selected wholesale supplier will either create or destroy your business if you run the Vapor Shoppe or intend to enter the turning market. A reliable friend guarantees constant product accessibility, a reasonable price range, and first-class customer service. When choosing a wholesale vape partner, you can detect steamships, which are known for their […]
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Diagram of the Physical Layer in the OSI Model showing data transmission between Datalink Layers.
CCNA May 12, 2025

Physical Layer (Layer-1) of OSI Model

The Physical Layer is the lowest layer of the OSI Model. It provides the resources to transport the bits that comprise a data link layer frame across the network media. This layer accepts a complete frame from the data link layer and encodes it as a series of signals transmitted to the local press, as shown […]
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Comparison between TCP/IP and OSI Models
CCNA May 11, 2025

Comparison between TCP/IP and OSI Model

Comparison between TCP/IP and OSI models is critical because protocols that make up the TCP IP protocol suite can also be described in terms of the OSI reference model. The network access layer and application layer of the TCP IP models are further divided, and the OSI model describes discrete functions that must occur at […]
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May 11, 2025

Exploring the Common Types of Cloud Malware

Whether it’s a private, public, or hybrid cloud, you love just about every aspect. Your cloud solution is saving your business time and money so what’s not to love? Unfortunately, the cloud can have a downside and it’s not one you want to ignore.  Hackers frequently target the cloud and this can be disastrous. To […]
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Construction May 8, 2025

Enhancing Estimation Accuracy with Advanced Construction Software Tools

Ask any builder what keeps them up at night, and you’ll likely hear the same answer—cost blowouts. Whether it’s underpriced labour, missed items in a quote, or supplier price changes, inaccurate estimates can quickly erode margins and damage client relationships. For residential builders working across multiple projects, getting the numbers right from the start is […]
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