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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 applications where the required memory capacity cannot be satisfied by a single available memory IC chip, what should the designer do to meet this requirement? Ans: If th
Q. Calculations for a standard VGA graphics screen? Let's do the calculations for a standard VGA graphics screen (640×480) using 16 colours. Total number of Pixels = 640 ×48
Q. Describe Big Notation? Big O Notation : The set O (g(n)) comprises all functions f(n) for that there exists positive constants c such that for satisfactorily large values
What are qualified associations? A qualified association is an association in which an attribute known as the qualifier disambiguates the object many associated end.
zmax=7.5x1-3x2 subject to constraints 3x1-x2-x3>=3 x1-x2+x3>=2 x1,x2,x3>=0
give proper code for any kind of project in oop c++
Which method do you invoke on the DataAdapter control to load your generated dataset with data? DataAdapter.Fill(ds). The beauty of this method is it automatically implicitly
sovling questions on transition table for sequential circuits
Selective set The selective-set operation sets to 1 bits in register A where there can corresponding 1's in register B. It does not affect bit positions which have
Write a PERL script which takes a file named input.txt as an input and processes it. The input file has the following format: firstname lastname: pass/fail score%. A sample input f
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