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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. What are the basic types of Transmission technologies, basis on which computer networks will be categorized? Ans: Broadly there are two kinds of transmission technology:
What is CLR? CLR(Common Language Runtime) is the major resource of .Net Framework. It is collection of services like garbage collector, exception handler, jit compilers etc. w
projections
What is cobol codin for heap sort?
Can math operations be performed on a void pointer? No. Pointer addition and subtraction are based on advancing the pointer by a number of elements. By explanation, if you have
All SAP Databases are Relational Databases is the all sap databases.
Q. Illustrate Header section of a device driver? Header comprises information which allows DOS to identify the driver. It also comprises pointers which allow it to chain to ot
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
Define user space? The system space is divided from virtual address space in which the user application programs reside. The letter space is known as user space.
Explain about the two services that are used to deal with communication. Message Service: Used by the application servers to change short internal messages, all system commu
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