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. IPv4 Packet Header - Networkustad
    June 6, 2019 @ 6:09 pm

    […] Network Layer takes data Segments from Transport Layer and converts the segments into packets. IP packet encapsulates data unit received from above layer and add to its own IPv4 Packet header information as shown in the figure below. The IPv4 packet header has fields containing important information about the packet. These fields contain binary numbers which examined by the network layer processes. The binary values of each field identify various settings of the IPv4 packet. Protocol header diagrams, like the one shown in the figure below: […]


  2. Introduction to Layer 3 Switch » Networkustad
    August 25, 2019 @ 7:57 am

    […] packet forwarding between intermediate routers and different networks. The routers are working in layer 3 of the OSI model, but usually its seen that the routers are considerably slower than layer 2 […]


  3. sarkari result
    February 19, 2021 @ 1:26 pm

    Livegovjob is a leading Job site for Freshers who seek employment opportunities in both Private and Government sectors in India. Livegovjob – We provides you all the latest official Sarkari Result, सरकारी रिजल्ट्स, Online Forms, Sarkari Naukri Jobs in various sectors such as Railway, Bank, SSC, Army, Navy, Police, UPPSC, UPSSSC & other sarkari job alerts at one place in 2020 -21.
    sarkari result


  4. OSI Model including its 7 Layer Introduction – NetworkUstad
    September 16, 2021 @ 1:22 pm

    […] There are many routed protocols and routing protocols available. Some of the common ones are discussed in great detail later in the book. Routers function in this layer. Remember that routers only care about the destination network. They do not care about the destination host itself. The task of delivery to the destination host lies on the Data Link Layer. Read More […]


Leave a Reply