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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. Show the fundamental process of instruction execution? The fundamental process of instruction execution is: 1. Instruction is fetched from memory to CPU registers (calle
What is a shift register? Can a shift register be used as a counter? If yes, explain how? Ans: Shift Register: A register wherein data gets shifted towards left or right
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write a program to find the area under the curve y=f(x) between x=a and x=b,integrate y=f(x) between the limits a and b
If a table that is to be extended contains a long field, we cannot use append structures why? Long fields in a table must always be located in the last, as the last field of th
Explain the Edge-triggered J-K flip-flop? The J-K flip-flop works extremely similar to S-R flip-flop. The merely difference is that this flip-flop has NO invalid state.
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What do conditional assignments get inferred into? Conditionals in a continuous assignment are specified through the "?:" operator. Conditionals get inferred into a
Students are needed to work in group of 3 and make an Android mobile application falling under the following categories: Multimedia o Eg: Camera app, mp3 player, ga
What are the drawbacks of Electronic Data Interchange processes? Disadvantages of EDI processes are given below: 1. The X12 standard is so huge and general 2. Electron
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