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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. TCP Reliability and Flow Control » Networkustad
    August 6, 2019 @ 6:48 pm

    […] Size). The primary window size is settled upon when the TCP session is established; during the three-way handshake. The source host must bound the number of bytes sent to the destination host based on the […]


  2. Password Authentication Protocol (PAP) » Networkustad
    May 15, 2020 @ 4:34 pm

    […] By default, authentication is not required. Password Authentication Protocol (PAP) and Challenge Handshake Authentication Protocol (CHAP) can be used for PPP links authentication which is defined in RFC […]


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