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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. Client-Server and Peer-to-Peer Network Model » Networkustad
    August 7, 2019 @ 5:56 pm

    […] who is responding to the request is called a server. The Client-server processes are working in the application layer. The client device starts the connection by requesting data from the server, the server can either […]


  2. File Transfer Protocol (FTP) » Networkustad
    September 21, 2019 @ 2:24 am

    […] 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 between a client and a server. To use this […]


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

    […] When it needs to fetch a web page, it uses the HTTP protocol to send the request and receive the page contents.  This protocol resides at the application layer used by an application such as IE or FF to get web pages from web servers across the network. On the other side, the web server application such as Apache or IIS interacts with the HTTP protocol on the Application layer to receive the HTTP request and send the response back. Read More […]


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