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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.
In RDBMS, what is the efficient data structure used in the internal storage representation? B+ tree. Because in B+ tree, all the data is kept only in leaf nodes, that makes sea
Q. Decoding of slightly encoded micro-instructions? Generally micro-programmed control unit designs are neither totally unencoded nor highly encoded. They are slightly coded. T
The following sentences have a (potential) scope ambiguity. Give two translations into predicate logic for each sentence (one formula for each reading), and explain in words what t
Define data path. The registers, the ALU, and the interconnecting bus are collectively referred to as the data path.
How is a property designated as read-only? In VB.NET: Public Read-Only Property Property Name As Return Type Get? Your Property execution goes in here End Get End Property.
Q. What is the Concept of Lock? Locks are used for protected access of data in a shared variable system. There are numerous kinds of locks: 1) Binary Locks: These locks a
Q. Example of arrays pointers? General form of declaration of array in Fortran 90 is type, DIMENSION(bound) [,attr] :: name E.g. the declaration INTEGER, D
Minimax algorithm - artificial intelligence: The minimax algorithm is so called because it assumes that you and your opponent are going to act rationally, so that if you will
Takes care structural and behavioural aspect of a software system. Contains software usage, functionality, performance, economic, reuse, and technology constraints.
"Global business-to-consumer e-commerce sales will pass the 1 trillion euro ($1.25 trillion) mark by 2013, and the total number of Internet users will increase to approximately 3.5
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