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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. Ports Number » Networkustad
    August 2, 2019 @ 4:31 pm

    […] transport layer used two types of the ports number, the source port, and destination port. The source port numbers […]


  2. OSI Model including its 7 Layer Introduction » NetworkUstad
    May 22, 2021 @ 9:45 pm

    […] Where the upper layers related to applications and data within the host, the transport layer is concerned with the real end-to-end transfer of the data across the network. This layer establishes a logical connection between the two communicating hosts and provides reliable or unreliable data delivery and can give flow control and error recovery. Although not developed under the OSI Model and not strictly conforming to the OSI definition of the Transport Layer, typical examples of Layer 4 are the Transmission Control Protocol (TCP) and User Datagram Protocol (UDP). Read More […]


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