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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.
Question: a) Discuss which communication method/s you would use in the following situations. Justify your answer. i. Congratulating an employee on obtaining a promotion.
Software Engineering 1. What is the impact of "information era"? 2. Illustrate whether the linear sequential model of the software process is an accurate reflection of softw
Differance b/w Liner sequenrial modal with incremental modal
Define Data objects, attributes & relationship. Data object: Representation of any collective information that must be understood by software. It can be any external entity.
In order to minimize the energy consumption, the report will first identify the components that are consuming most energy in a system. Clearly, above mentioned are those components
Q. What is requirement elicitation methods? Subsequent to receiving the problem statement from the customer the first step is to arrange a meeting with the customer. During the
Methodology and system Functionality: High level views of the proposed system in terms of the requirements that will be supported by the proposed system in the context of busine
RAD Model Rapid Application Development Model is the method of incremental model. Achieves the high speed development using component based construction. Phases
Problem 1 (i) Define the terms Language Grammar Terminal symbols Non-Terminal symbols Alphabets >>Define sub parts (ii) Identify and write what these
Problem : (a) What does a UseCase Diagram represent? (b) Draw a UseCase Diagram for the above case study. (c) For any one use case give a detail use case specification.
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