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Asad Ijaz

Hey there, I'm Asad Ijaz Khattak, and I'm not your typical writer and blogger – I'm the voice behind the scenes at the renowned website, "" When it comes to the digital realm, I'm all about technology, networking, and cybersecurity. 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!"


  1. Introduction to OSI Model - Networkustad
    May 28, 2019 @ 7:15 am

    […] model.  But it is essential to know the model and its terminology because other models such as the TCP/IP model often compared to the OSI reference model. Hence the discussion on this model compared to the […]


  2. The Ethernet Frame Structure and Fields - Networkustad
    June 4, 2019 @ 7:46 am

    […] the Layer 3 PDU to encapsulate the message.  Ethernet-II is the Ethernet frame format uses in TCP/IP networks.  Ethernet frame starts with Preamble which works at the physical layer. Ethernet header […]


  3. Special-Purpose IPv4 Addresses » Networkustad
    June 29, 2019 @ 11:36 am

    […] address to direct traffic to itself. For example, we can use the loopback IP address to test if the TCP/IP configuration is operational or not.  Network software and utilities also use to access […]


  4. File Transfer Protocol (FTP) » Networkustad
    August 8, 2019 @ 3:45 pm

    […] and standard Internet protocol for transmitting files between computers on the Internet over TCP/IP connections. It is an application layer protocol. It was first created in 1971 to transfer data […]


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