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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.
The term "performance testing" is usually used synonymously with stress testing, load testing, reliability testing, and volume testing. It is a part of system testing, but it's als
Question 1 V-Model and Spiral Model, Waterfall Model are of the software development processes. Companies are using these models to have a systematic and defined approach in softw
What are command buttons? How to use command buttons? Command buttons are defines to as controls. The control is capable of implementing a set of instruction when the user clic
how can i build a data base in easy method on database
what is the advantage of Iterative Enhancement Model in developing a system?
The task in this project is to design a normalized database that could be used to collect and store information for a video rental outlet. The database should be structured to s
what is design assignment
Sample answered questions
Determine the aspects of prototyping model. Figure below portrays prototyping model. Prototype model has the below aspects: (i) It helps in determining user requirements
explain the goal oriented requirement elicitation process with a neat sketch
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