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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. Transmission Control Protocol (TCP) - Networkustad
    May 27, 2019 @ 11:04 am

    […] control protocol (TCP) is a network communication protocol designed to send data packets over the Internet. It is a transport layer […]


  2. Wireless Media - Networkustad
    May 30, 2019 @ 5:42 am

    […] both the data link and physical layers. cellular and satellite communications can also provide data network connectivity. But, we are not discussing these wireless technologies here in this chapter. In each […]


  3. What are the different Ethernet standards? - Networkustad
    June 3, 2019 @ 2:06 pm

    […] is the most popular physical layer LAN technology in use now a day. A standard Ethernet network can broadcast data at a rate up to 10 Mbps. Ethernet is popular as it strikes a good balance […]


  4. The netstat Command » Networkustad
    August 2, 2019 @ 6:52 pm

    […] to know which active TCP connections are open and running on a networked host. netstat is a useful network tool for checking and verifying those connections. The verification of TCP connection is important […]


  5. What is a Converged Network? » Networkustad
    August 12, 2019 @ 12:39 pm

    […] savings over the installation and management of the network for the above services. The converged network solution integrates IT management thus that any change and additions are completed with a keen […]


  6. What is a Next-Hop in Network? » Networkustad
    August 26, 2019 @ 9:27 am

    […] devices. Because routers manage the information about its surroundings router and their related network and […]


  7. Fixed-Length Subnet Masking (FLSM) » Networkustad
    August 27, 2019 @ 1:07 pm

    […] topology shown in Figure 1 above requires 5 subnets, one for the four LANs, and one for WAN connection between routers. Using traditional subnetting with the address of […]


  8. What is Frame Relay? Exclusive Introduction » Networkustad
    October 15, 2020 @ 9:51 pm

    […] relay is a packet-switching telecommunication service designed for interconnecting enterprise LANs. Being a student of networking, it is important that you know about all the emerging WAN […]


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