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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.
Minimise the logic function F (A, B, C, D) = Π M (1, 2, 3, 8, 9, 10, 11,14) ⋅ d (7, 15) Use Karnaugh map. Ans. Given function F=∏M(1,2,3,8,9,10,11,14).d(7, 15) F'=B'D+B'C+AC+AB'
The extra key inserted at the end of the array is called a Sentinel is the extra key inserted at the end of the array
Diagnosis: Medical diagnosis program bases on probabilistic analysis have been able to perform at the level of an expert physician tin several areas of medicine. Heckerman(1981)
Display how the value ASCII "MIRIAM" is stored in memory in Big Endian format starting at location 100 hexadecimal. Suppose that each memory location kept two ASCII characters.
Objectives After studying this unit you should be able to: 1. list various types of reprographic methods, 2. describe uses of various kinds of typewriters, 3. explain
Q. Device drivers in Windows system? In Windows system device drivers are implemented as dynamic link libraries (DLLs). This scheme has advantages which DLLs comprises sharea
zmax=7.5x1-3x2 subject to constraints 3x1-x2-x3>=3 x1-x2+x3>=2 x1,x2,x3>=0
In C++ terminology, all public methods in Java are virtual. Thus, all Java methods can be overwritten in subclasses except those that are declared final, private and static.
Purpose, Environment, Boundary, Inputs, and Outputs are a number of important terms related to Systems. A System's objective/purpose is the reason for its existence and refe
Q. What is a DSS and Describe its components? A decision support system (DSS) is a highly flexible and interactive IT system that is designed to support decision making when t
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