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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.
Vector reduction Instructions : When operations on vector are being deduced to scalar items as the result, then these are the vector reduction instructions. These instructions are
Classic form of OLAP is called as MOLAP and it is often known as OLAP. Simple database structures like time period, product, location, etc are used. Functioning of each and every d
Why data bus is bidirectional and address bus is unidirectional in most microprocessors? The data bus is bidirectional because the data bus has to transfer data among the CPU a
I tried to run two of the applets in the examples directory of the distribution? Ans) I tried to run two of the applets in the example directory of the distribution. I instal
What is a table cluster? A table cluster joins several logical tables in the ABAP/4 Dictionary. Various logical rows from different cluster tables are brought together in a o
The Communication Traffic gives a pictorial view of the communication traffic in the interconnection network with respect to the time in progress. The Communication Traffic shows t
Write a pseudocode for a program that reads a temperature as a whole number from a user and outputs a "probable" season (winter, sprint, summer, or fall) depending on the temperatu
Explain CMOS Inverter with the help of a neat circuit diagram. Ans: CMOS Inverter: The fundamental CMOS logic circuit is an inverter demonstrated in Fig.(a). For above
Q. Describe the External Users of system? External Users: Modern information systems are now reaching beyond the boundaries of traditional business to involve customers and o
What are the features of Client/Server Computing? Although there are several different configurations, different hardware and software platforms and even dissimilar network pro
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