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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.
Processes and procedures make sure the correct steps are being implemented to facilitate a successful finished off a task. They also make sure a process is repeatable.
For this assignment you will create a program called MMWordFix (Multi-Mode WordFix). This program prompts the user to select one of three word filters (uppercase, lowercase, encryp
What do you do if you have provided functionality which wasn't listed in requirements? - If functionality isn't necessary to purpose of the application, it must be removed.
Beta testing is testing an application when development and testing are essentially done and final bugs and troubles require to be found before the final release. Beta testing is t
What is Software? Software is nothing but a collection of computer programs that are related documents that are indented to give desired features, functionalities and improved
What are the various types of coupling? i. Data coupling - The data coupling is possible by parameter passing or data interaction. ii. Control coupling - The modules share r
What are the benefits of smoke testing? Integration risk is minimized. The quality of the end-product is improved. Error diagnosis and correction are simplified. Asses
This method categorizes the inputs and outputs of a class in order to test them separately. This decreases the number of test cases that have to be designed. To verify the diffe
solve inequalities and graph the solutions: [z/25-1]
What are the misunderstanding arise in software development Some of the common misunderstandings regarding software development are given below. 1. Correcting errors is eas
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