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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.
Hard drive has space, but it keeps telling me that its full and asks me to delete files. I checked. There is nearly full C drives (8GB) but when i am open c drive and check than ne
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Please name some of the best (most successful) encryption models for use in the business community. I need to know the benefits and disadvantages of each, as well as the cost effec
Testing that takes into account the internal mechanism [structure] of a system or component. Types contain branch testing, path testing, statement testing. Testing to insure eve
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A measure of the severity and probability of undesired effects. Often taken as the easy product of probability and consequence.
? A store is in the business of selling paints and hardware items. A number of reputed companies supply items to the store. New suppliers can also register with the store after pro
What is Software configuration management? ans)Software Configuration Management (SCM) is the control and the recording of alter that are made to the software and documentation
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