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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.
What are the different architectures developed during BPE? Data architecture àframework for the information needs of a business. Application architecture à incorporates the
Closed box testing is similar as black box testing. Black box testing a type of testing that examine only externally visible behavior.
Question: (a) (i) Describe briefly the role of measurement in software engineering. (ii) List three types of entities, their attributes and related measures in software eng
Q. Explain Intermediate and Detailed COCOMO model? Intermediate COCOMO calculates software development effort as function of program size and a set of cost drivers that include
Documentation specifying the scope, approach, resources, and schedule of intended testing activities. It signifies test items, the features to be tested, the testing tasks, respons
Q. What is the use of a data flow diagram? Explain the important concepts of data flow diagram. Ans. A data flow diagram is utilized to show the functional view of an applica
What are the advantages of Software maintenance Software maintenance is a very broad activity which includes error correction, deletion of obsolete capabilities, enhancement of
Write down any four application of a stack. (i) Conversion of infix to postfix form (ii) Reversing of a line. (iii) Removal of recursion (iv) Evaluating post fix expression
hello there!! I have above subject that I have final project and also I required with program
Explain virtual memory? Ans) Virtual memory tells to virtual storage. In virtual storage, portions of a user's program and data are placed in auxiliary storage, and the operatin
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