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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.
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
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The total number of class of IP address are? The total number of class of IP addresses are 5.
Logic manufactures have produced 'large scale' logic (LSI) blocks to achieve complex functions; a typical set of logic functions is that of data storage. There are two main types o
Problem 1 Prove that :- x(x + y) = x by using identities 2 Write a short note on Analog to Digital Converter (ADC) 3 Differentiate between sequential and combinational ci
Sometime you may have to reset your computer (i.e., Reboot DOS) when it is still running because DOS does not work accurately. To reset your computer you have two choices: 1. P
An established communication session among a server and a workstation.
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