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QUESTION - Fault Tolerance
(a) Three computers together provide a replicated service. The manufacturers claim that each computer has a mean time between failure of five days; a failure typically takes four hours to fix. What is the availability of the replicated service?
(b) In the gossip architecture, why does a replica manager need to keep both a ‘replica' timestamp and a ‘value' timestamp?
(c) Explain the difference between linearizability and sequential consistency, and why the latter is more practical to implement, in general.
(d) Explain why allowing backups to process read operations leads to sequentially consistent rather than linearizable executions in a passive replication system.
Define Data Dictionary The data dictionary can be explained as an organized collection of all the data elements of the system with precise and rigorous definitions so that user
EXPLAIN COMPONENTS OF DATABASE MANAGEMENT
java/python based application which lets you upload images of car logos and detects which logo it is by outputting the ID number of that image. Neural network is used to achieve th
Why is SRS document known as black box specification of a system
Q. Describe about Unit Testing? Unit Testing: The unit testing is completed to test the individual module of the software. Test cases are designed to test the program functiona
The following program will display an integral solution to the quadratic equation ax2+bx+c for integral values of a,b, and c, where a,c fall between 0 and 10, while b falls between
Hardware and Software Requirements: The present versions of CDS/ISIS require the following minimum hardware and software: i) MS-DOS Version: an IBM PC or Compatible micro
Determine the technique - Parallel With this approach, old and new systems are run together for a time - If new system goes down for any reason, you still have old system
Which is not the purpose of full annealing Produces hardest material.
What are the conditions exists after performing validation testing? After performing the validation testing there two situations arise. The function or performance characterist
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