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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.
Write about drivers and stubs. Drivers and stub software has to be developed to test incompatible software. The " driver" is a program that accepts the test data and prints
Illustrate parameterization in QTP. - Parameterization - Passing values from external source into script. - The number of values passed can be single or multiple. - It he
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true/false small errors in syntax or spelling of a line of code will not affect the results
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
This is a explanation of whether or not certain processing conditions use many storage [memory] than estimated.
What is an update task? It is an SAP given procedure for updating a database.
What is Quality assurance and standards? Standards are the key to efficient quality management. They may be international, national, and organizational or project standards.
Worldwide Translations Agency is a company that undertakes translations to and from the major languages of the world. All sorts of documents including letters, reports, operating i
A supermarket requires to develop software to encourage regular customers. For this the customer requires to supply his name address telephone number and driving license number. A
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