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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.
A circuit can be designed to perform manydifferent functions e.g.a circuit has 3 inputs A, B and C and 3 outputs:Output X is logic level 1 (or 'high') if one or moreinputs are at l
Q. Define Immediate Addressing Mode with example? Immediate Addressing Mode An immediate operand can be a constant expression like a character, a number or an arithmetic e
What is .NET / .NET Framework? It is a Framework in which Windows applications might be developed and run. The Microsoft .NET Framework is a platform for building, deploying,
Generally the register storage is faster than cache andmain memory. Also register addressing uses much shorter addresses than addresses for cache and main memory. Though the number
Vector Processing A vector is an ordered set of similar type of scalar data items. The scalar tem may be a logical value, an integer or a floating point number. Vector proce
What is an interface and what is an abstract class? Please, expand by examples of using both. Explain why? Abstract classes are closely related to interfaces. They are classe
Conversion of fractional number 0.6875 into its equivalent binary number ? Ans. Multiply the fractional number 0.6875 with 2 until the remainder becomes 0 that is, Ther
Alpha-beta pruning: Thus we can prune via the alpha-beta method, it makes means to perform a depth-first search requiring the minimax principle. Just compared to a breadth fir
One cannot use SELECT statements in a report program linked to a Logical Database False. You can use th SELECT statements.
define multipoint communication
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