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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.
Differentiate between object oriented and function oriented design . Function-oriented design relies on recognizing functions which transform their inputs to make outputs. I
QUESTION (a) Illustrate the concept of a software bus in CORBA (b) Taking an example of your own, explain how component-based software engineering can allow very rapid softw
I need the code for creating a simple ball game on net beans/Open gl
Define sandwich testing. Testing combines the ideas of both bottom-up and top-down testing by defining a certain target layer in the hierarchy of the module. The modules below
What is Test log? A chronological record of all relevant details about the implementation of a test.
EXPLAIN ABOUT DEFECT AMPLIFICATION AND REMOVAL IN SOFTWARE ENGINEERING
This is a explanation of whether or not certain processing conditions use many storage [memory] than estimated.
what is the purpose of equivalence partitioning?
Question: (a) The relationship between organisations and information technology is a complex one, and is made up of a number of mediating factors which must be considered prior
A software tool that accepts as input source code, specifications, test criteria, or data structure definitions; uses these inputs to make test input data; and, sometimes, verifies
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