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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.
An important terminal that is required between DTE and PSTN is (A) Server (B) MODEM (C) Relay
Is there a way to apply the same formatting to every sheet in a workbook in Excel? Ans) Yes. To do this, you will require to right click on one of the worksheet tabs and th
The main features of TCP are: Reliability: TCP makes sure that any data sent by a sender arrives at destination as it was sent. There can't be any data loss or change in the
Explain Flash devices It is possible to read the contents of a one cell, but it is only possible to write an whole block of cells Greater density which leads to superior cap
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The aim of this Assignment is to demonstrate knowledge about the analysis and design of a software system and understanding of the application of an object-oriented metho
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