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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.
How can we know about to divide numbers from total error from which half passed through error and half passed to amplified and how to generate defect efficiency?
Distinguish between verification and validation. Verification refers to the set of activities that make sure that software correctly executes a specific function. Validation re
explain software document.create the necessary documents for employee management system.
Determine the Shared mode of QTP - Best used in subsequent cases: - When there are numerous tests which correspond to interface, objects, or application - When test obj
What is software testing? The testing process focuses on the logical internals of the software, ensuring that all statements have been tested, and on the functional externals,
Question 1: Prepare a short note on technology strategy. Explain in brief about the innovation management. Question 2: What is Research and Development (R&D), and how i
What are the advantages and disadvantages of size measure? Advantages: Artifact of software development which is simply counted. Many existing methods use LOC as a key input. A
Q. A program is to be developed to simulate the operations of a scientific calculator. List the facilities to be provided by this calculator. Analyze this using DFD? Level 0
What qualities would you look for when hiring a test engineer? - Test to break attitude - Desire for quality and attention to details. - Tact and diplomacy when dealing w
A group process that takes large quantity of language data, like as a list developed by brainstorming, and separates it into categories.
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