Skip to content

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. LLC and MAC sublayer Important Functions » Networkustad
    June 21, 2020 @ 6:51 pm

    […] Connectionless service is also known as the best effort service e.g. IP datagram service, without prior connection establishment between source and destination and without acknowledgement. In the connectionless service, the data is sent to the peer directly without any connection establishment. The connectionless service is also unreliable because reliability, flow control and error control are provided at the transport layer. It is provided flow control optionally. […]


  2. HDLC Encapsulation Protocol – NetworkUstad
    September 14, 2021 @ 9:31 pm

    […] (SDLC) and became standardized by ISO as ISO 13239. It provides both connection-oriented and connectionless service. HDLC also provides flow control and error control by using […]


Leave a Reply