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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.
Q. How Print statements used in Software testing? Print statements:-The standard print statement in the language being utilized is sprinkled throughout the program to output va
What is performance testing? Performance testing is intended to test the run-time performance of software within the context of an integrated system.
What are the approaches of integration testing? The integration testing can be carried out using two approaches. 1. The non-incremental testing. 2. Incremental testing.
I have a vb.net application i would like to add database function + coding the the function to let the application work and also to add a login window for the customers + custom
Software configuration management is an umbrella activity which is applied by the software procedure. SCM identifies controls, audits and reports modifications that invariably occ
What are the types of static testing tools? There are three kinds of static testing tools. Code based testing tools - These tools take source code as input and get test cases.
How LRU technique is implemented The LRU policy is more difficult to execute but has been more attractive on the assumption that the least recently used page is a better candid
I have a comprehensive question in this course need to solve
a simple text processing program with all essential functions (open and save text documents, insert and delete text, search for words). We assume that text read from a file is stor
What is Walkthrough? Ans) Usually, a step-by-step simulation of the implementation of a procedure, as when walking by code, line by line, with an imagined set of inputs. The wor
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