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Hierarchy of DNS Servers
DNS uses a large number of server organized in hierarchical fashion and distribution around the world. No single DNS server has all of the mappings for all of the hosts in the internet. instead the mappings are distributed across the DNS servers. There are three class of DNS server root DNS servers top level domain servers and authoritative DNS servers organized in a hierarchy as show in figure.
What to do to connection with external communication For dealing with external communication, the Web server must have a static IP. Having a static IP could also be a problemat
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Hello there i have an assignment in Data communication and networks. I have done most of the assignment but i am stuck in one part which is designing a network in a university cam
The transport Layer Communication between computers is handled by the transport layer which is comprised of transmission control protocol (TCP) and the users datagram pro
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