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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.
Software configuration management is an umbrella activity which is applied by the software procedure. SCM identifies controls, audits and reports modifications that invariably occ
normalization Explain its forms in brief
what is COCOMO model and where it is used also say about COCOMO model when in use then how it act and its characteristtics details
What is 4Test? 4Test is a test scripting language which is used by SilkTest to compose test scripts to perform automated tests. It's an object-oriented fourth-generation langua
How to compute the cyclomatic complexity? The cyclomatic complexity can be computed by any one of the following ways. 1. The numbers of regions of the flow graph correspond
Software Project Management 1. What is black box and white box testing techniques? 2. Describe different roles of the software development? 3. List out different project
What are the prototyping approaches in software process? i. Evolutionary prototyping - In this approach of system development, the initial prototype is prepared and it is then
What is meant by System Requirements Set out the system constraints and services in well explained. Serves as a contract among the system buyer & the system developer.
QUESTION (a) Compare the worker pool multi-threading architecture with the thread-per-request architecture. (b) What thread operations are the most significant in cost? (
Q. Disadvantage of lines of code? 1. Lack of Accountability: Lines of code measure suffers from some fundamental problems. A few think it isn't useful to measure the productivi
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