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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.
Summary of Tasks The Task Summary tries to shows the amount of duration each task has spent starting from initialization of the task till its completion on any processor as d
what is polymorphism
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Should validation (did the user enter a real date) occur server-side or client-side? Why? Validation will be completed in both sides i.e., at the server side and client side. S
What is Hamiltonian path? A Hamiltonian path in a directed graph G is a directed path that goes through every node exactly once. We consider a special case of this problem whe
The device is packaged in a 80 pin PLCC device as shown.The main groupings of the pins are as follows Port A PA0 - PA7 Parallel Port or Timer Port B PB0 - PB7 Parallel Port or High
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The next major set of tasks to tackle are delete and update. Version control systems typically version updates to a ?le and only store the differences between the ?les. Two system
E Brokerage facilitates search & retrieval of Information The success factor of a brokerage is its ability to retain existing clients and to enhance their satisfaction by effec
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