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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.
A part of an aircraft engine can be given a test before installation. The test has a 75% chance of revealing a defect if it is present, and the same chance of passing a sound part
Georg Thimm handles a webpage that lets you search for upcoming or past conferences in a range of AI disciplines.
Explain the architecture of SS7 . A block schematic diagram of the CCITT no. 7 signaling system is demonstrated in figure. Signal messages are passed by the central proces
What is the function of a TLB (translation look-aside buffer)? A small cache called the TLB is interporated into MMU, which having of the page table entries that correspondi
Some of the fundamental considerations for instruction set design includes selection of: A set of data-types (For example: integers, long integers, doubles, character strin
Q. Convert the following from hexadecimal to binary, decimal, BCD and octal. a) 111 b) ABC.25 c) 2.C Q. Convert the following from BCD to binary, decimal, hexadecimal an
Intranet : An Intranet is a type of information system that facilitates communication within the organizations between widely dispersed departments, divisions, and regional loc
prepare FTR
What is 'inode'? All UNIX files have its description kept in a structure called 'inode'. The inode have info about the file-size, its location, time of last access, time of las
Q. Insert images in Dreamweaver? You will learn two methods to insert images in Dreamweaver-using Dreamweaver's main menu and using Objects panel. 1. Click anywhere in the l
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