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Asad Ijaz

My Name is Asad Ijaz Khattak and I am the writer and blogger, known for my website "". I have writes about various topics related to technology, networking, and cybersecurity. I am also a Cisco Certified Network Professional (CCNP) and Cisco Certified Network Associate (CCNA). I have written several articles and tutorials on the website which can be used as a learning resource for people interested in networking and cybersecurity. I am the member and Editor of Proudly Team NetworkUstad

1 Comment

  1. IPv4 Classful and Classless Addressing » Networkustad
    July 18, 2019 @ 8:55 am

    […] the subnet mask are different ways of identifying the network portion of the IP address. For IPv4 subnetting we borrow host bits and using them as network bits for creating supplementary networks calling […]


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