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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 Process Specification . Process Specification is used to clarify all flow model processes that appear at the final level of refinement. Check & Convert pressure
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Question: You work with Mr Akshay Kapoor, Human Resource Manager of an IT Company called LTZ. Mr Kapoor is the Chairperson of the Human Resource Policy Committee. Other members
Data Flow Diagrams (DFD) It's a graphical representation of flow of data through a system. It pictures a system like a network of functional processes. The foundation of DFD i
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Q. What is Test file generators and test harness systems? Test file generators: This creates a file of information that is utilized as the program and does so based on commen
I need help two thing 1-understand how can I programme rabbit 4000 2- do labs set for Rabbit 4000
Explain the term- System Maintenance update hardware as new items come on market or company changes in any way which requires new devices to be updated/added Update sof
Explain Iterative Enhancement model Iterative Enhancement model: This model incorporates alters in the software based on the analysis of the existing system. Also the complet
Explain about rapid prototyping techniques. Used to animate the system specification. It is expressed in a formal, mathematical language to provide a system prototype
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