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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.
Initialization Imagine that all routers in our sample internetwork comes up at the same time. Each router sends a greeting packet to its neighbours to find out the sta
Q. Illustrate Error Detection-Simple Parity Check? Error Detection-Simple Parity Check A redundant bit called as Parity Bit? is added to every data unit. Even Pa
Question: a) (i) Describe the entire process of credit card processing, identifying the different steps and parties involved. (ii) What are the roles of the acquiring ban
A network in which there is multiple network links among computers to provide multiple paths for data to travel.
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Describe OSPF?
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how to own cipher to encrypt and decrypt message by combine both substitution ans transposition algorithm using c program
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