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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) Draw a diagram showing the parts of an embedded system. b) Give the definition of an Embedded Computer. c) Discuss the similarities and differences between a
Question: (a) "People have recourse to outsourcing only for reducing cost". Show this statement on the motivations for outsourcing. (b) "Outsourcing is a threat to the co
What are the types of metrics? Direct metrics - It refers to right away measurable attributes. Example - Lines of code, execution speed. Indirect metrics - It refers
Advantages of incremental Model:- As product is to be delivered in parts, total cost of the project is dispersed. Limited number of persons can be put on to the projec
Give the example of the mechanics of structured analysis
FAST stands for :- FAST :- Facilitated Application Specification Technique
What is meant by Data dictionary? The Data dictionary is an organized listing of all data constituents that are related to the system, with precise, accurate definitions so tha
What are the common approaches in debugging? Brute force method: The memory dumps and run-time tracks are examined and program with write statements is loaded to obtain clues t
What does Modularity concept mean? Software architecture embodies modularity; ie, Software is named in to addressable components called as modules that are integrated finally.
What is data modelling? Data modeling is the basic step in the examine modeling. In data modeling the data objects are examined independently of processing. The data model s
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