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How optimization is achieved in DNS?
Two primary optimizations used in DNS and they are: replication and caching. All root servers is replicated; various copies of the server exist around the world. While a new site joins the internet, the site configures its local DNS server along with a list of root server. The site server uses any root server is most responsive at a provided point of time. Into DNS caching each server maintains a cache of names. When this looks up a new name, the server puts a copy of the binding in its cache. Before contacting other server to request a binding, the server checks its cache; when the cache have the answer the server uses the cached answer to produce a reply.
Question: Read the following case study and answer the questions based on it. The local airline company needs to develop a system for controlling air traffic at the airport
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specialization,ggeneralization and aggregation of railway reservation system?
Explain CSMsgInterface() Function with Predefined Protocol A REQUEST structure is created for each message sent to the server. Messages passed to CSMsgInterface() as *dataMSG
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Describe the operation of voltage to frequency ADC. Ans: A voltage-to-frequency converter i.e. VFC is an oscillator that frequency is linearly proportional to a control volt
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