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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.
Q. Compare CMM with ISO 9001 ? 1: Management responsibility: ISO 9001 needs that the quality policy be defined and documented and understood as well implemented and maintaine
What is Validation represent? Validation means a set of deeds that ensure that the software that has been built to satisfy the customer requirements.
Q. Compare and contrast reliability and availability? Ans. Reliability: The probability of failure-free system operation over a specified time in a given environment for a gi
Software Engineering 1. Discuss the Limitation of linear sequential model in software engineering. 2. Explain Software reliability? Why reliability is more important than ef
Probelm: (a) Compare Supply Chain Management (SCM) and Customer Relationship Management (CRM) . How are they similar? How are they different? Your answer should show the differ
What is the advantages of Iterative model This model is useful when less manpower is available for software development and release deadlines are tight. It's best suited for in
What does data object means? Data object is a group of attributes that behave as an aspect, quality, characteristic or descriptor of the object.
describe process
FAST stands for :- FAST :- Facilitated Application Specification Technique
Explain in detail the design concepts Abstraction Data abstraction Functional abstraction •Control abstraction Information hiding •Every module in the s
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