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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.
Consider a program for the purpose of the nature of roots of a quadratic equation. Its input is the triple of positive integers say a, b, c as well as values in the interval [0,100
Common coupling: Common coupling is when two modules share the similar global data (e.g. a global variable). Changing the shared resource implies changing all the modules using it
Q. Differentiate between function oriented design and object oriented design. Ans. Function oriented design:- Function oriented design strategy relies on decayed the system i
Testing conducted to consider a system or component in its operational environment. Contrast with development, testing,; testing, acceptance;
What is the purpose of timeline chart? The purpose of the timeline chart is to highlight the scope of the individual task. Hence set of tasks are given as input to the timeline
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Define Software design. Software design is an iterative process by requirements are translated into a "blue print" for constructing the software. The blue print dep
What is SCM? Software Configuration Management is a set of activities carried out for identifying, organizing and controlling alters throughout the lifecycle of computer softwa
i have coursework on software management and dont know how to go about it. I want to find out if you will be able to help me on that. The task is to investgate(research informed pa
QUESTION - Name Services (a) Illustrate with help of a diagram the results of a DNS lookup and an ARP lookup assuming we are using IPv4. (b) Why do DNS root servers hold en
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