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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.
Explain advantages and disadvantages of a active document. The advantage of an active document over a dynamic document lies in its capability to update the information contin
Bidirectional Search: We've concentrated so far on the searches where the point of view for the search is to find a solution, but not the path to the solution. Like any other
Explain services of Application Layer. Application Layer: As the highest layer within the OSI reference model, the application layer gives services to the users of OSI env
Yes we can modify the color of sheet tabs. By right clicking on sheet tabs and you will get option change color but you didn't find any option to modify the font of sheet tabs.
Can you tell me some of system tasks and their purpose? $display, $displayb, $displayh, $displayo, $write, $writeb, $writeh, $writeo. The most useful of these is $display. T
what is Asynchronous Finite State Machines?
Macroscopic and Microscopic approaches - Thermodynamics: Thermodynamic studies are undertaken by following two different approaches. l. Macroscopic approach (Macro mean big)
Gordon Grant, majority shareholder and Chief Executive Officer of Finance-IT Ltd, is determined to be one of the entrepreneurs making money out of the recession. He started the fir
Double Negation - Artificial intelligence: Always parents are correcting their children for the use of double negatives, but we have to be very alert with them in natural langu
Q. How to export a dreamweaver document as xml file? Step 1: Choose File -> Open, Step 2: Select document which uses a template (and has editable regions) Step 3: Click O
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