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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 various types of system testing? 1. Recovery testing - is intended to check the system's capability to recover from failures. 2. Security testing - verifies tha
Define software measurement. A software measurement is a method or method that applies software calculates to a class of software engineering objects to attain a predefined goa
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
data dictionary on library management system
Question: Consider the University modular degree scheme where students choose a selection of modules from a large menu. Here we have the basic types [PERSON, MODULE], the set o
what is meant by gantt chart who gave the name who is the founder
Adding to below means
What are the Related data items Related data items captures details of related attributes. Range of values store total possible values of that data. Data structure definition c
What are the various types of coupling? i. Data coupling - The data coupling is possible by parameter passing or data interaction. ii. Control coupling - The modules share r
Q. Consider a project for which the manpower requirement is 200 PY and the development time is 2 years. calculate the peak manning time. Ans Software Project cost K=200 PY
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