Explain the difference between data replication in a distributed system and the maintenance of a remote backup site.
Answer to relevant QuestionsGive an example where lazy replication can lead to an inconsistent database state even when updates get an exclusive lock on the primary (master) copy. For each of the strategies of Exercise 19.18, state how your choice of a strategy depends on:a. The site at which the querywas enteredb. The site at which the result is desiredWhat form of parallelism (interquery, interoperation, or intraoperation) is likely to be the most important for each of the following tasks?a. Increasing the throughput of a system with many small queriesb. Increasing the ...What is the main reason why servlets give better performance than programs that use the common gateway interface (CGI), even though Java programs generally run slower than C or C++ programs?List some benefits and drawbacks of an anticipatory standard compared to a reactionary standard.
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