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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. Basic need of Random Access Memory? Main memory is Random access memory. It is generally organised as words of fixed length. Length of a word is termed as word length. Every
What are batch systems? Batch systems are quite appropriate for implementing large jobs that need little interaction. The user can submit jobs and return later for the results
What are the different methods of passing data? There are three different methods of passing data Calling by reference Calling by value Calling by value and result
Give example of bus and memory transfer For example, the read operation for transfer of a memory unit M from address register AR to another data register DR can be illustrated
Stencil Duplicating Equipment Required Stencil Duplicator Thermal copier (optional) Electronic stencil cutter Materials Stencil COPY paper Ink Clean
Explain division and its restoring and non-restoring techniques?
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UDP (User Diagram Protocol) is? It is both Connectionless and Message Oriented.
Q. Illustrate Layout of Magnetic Disk? Head is a relatively small device capable of reading from or writing to a part of platter rotating beneath it. This gives rise to organiz
A stationary random displacement signal was digitised at 64 samples a second and analysed to obtain an auto-spectral density. The signal was calibrated in mm units. The frame siz
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