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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.
Describe how the goals of quality control (QC) flexible manufacturing systems (FMS), design for assembly (DFA)and low overall costs can be best combined by computer integrated manu
a) Define Annual Change Traffic (ACT) and Annual Maintenance Effort (AME) of Boehm model. b) For a software system of 90 KLOC, 5KLOC of code was added. The initial development
(i) Concept definition of Quality Control and Quality Assurance (ii) Tools used in quality control (iii) Acceptance sampling and process control (iv) Statistical tools for
Q. Explain the concept of bottom-up design? Bottom up design: This approach make possible a style of design where we decide how to combine these modules to provide larger ones
Q. Facilitated Application Specification Technique? A team oriented approach is developed for needs gathering and is called facilitated application specification Techniques FAS
desidn a complete flow chart diagram ,which ask the user to input the rate of diesel and quantity of diesel consumed.after calculate the total amount of diesel consumed and display
Explain in detail about SCM. Software Configuration Management is an umbrella activity which is used throughout the software process. SCM Activities Identify cha
The sequence of testing is: a) Unit testing: b) Integration testing: Alpha Testing- Beta testing Acceptance Testing
What is Validation represent? Validation means a set of deeds that ensure that the software that has been built to satisfy the customer requirements.
Write short note on black box testing. The black box testing is also known as behavioural testing. This method fully focuses on the functional needs of the software. Tests are
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