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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.
Depth of conditional nesting This is a measure of the depth of nesting of if-statements in a program. Deeply nested if statements are hard to understand and are potentially er
I want minimum 100 words
What is Change management tools? Change management is a process in which it can be modelled and integrated with a version management system. Change management tools Fo
Name certain common tools which are used for load testing. - Rational Performance Tester by IBM Rational - Open STA an Open Source tool - LoadRunner by HP - Silk Perfo
The Application You should develop your program using incremental development. Develop your program a little bit at a time and keep testing it. Save a working version before mak
Q. Compare the Productivity and difficulty? Productivity refers to metrics as well as measures of output from production processes per unit of input. Productivity P perhaps c
Explain the role and functions of a Systems Analyst in the overall project development.
FAST stands for :- FAST :- Facilitated Application Specification Technique
Explain the Structured Requirements Definition Structured Requirements definition is an approach to perform study about complete system and its various sub-systems, external ou
Q. For the structural chart given in fig.1 calculate the Information Flow index of individual modules as well as whole software. Total information flow = IF (main) + IF (A
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