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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 functions of data architecture? It gives the information needed for a business function. Recognize the data objects and their relationship. Eg: Custome
A technical review is the review that refers to content of the technical material being reviewed.
Mentoring a class at a university. is project or process??
Define Requirement Engineering. Requirement Engineering is a process that includes all of the activities needed to create and maintain a system requirements document. The fo
Question: (a) Why is quality assurance especially difficult in software engineering ? (b) Inspiring yourself from the McCall's taxonomy of quality attributes, explain five
system architecture block diagram
Define software process. Software process is explained as the structured set of activities that are need to develop the software system.
What is Path Coverage Testing? Ans) A test process satisfying coverage criteria that every logical path by the program is tested. Paths through the program often are grouped int
Explain Basis Path Testing? Ans) Basis path testing is a white-box method. It permits the design and definition of a basis set of execution paths. The test cases created from th
What are the different types of Cohesion? i. Coincidentally cohesive -The modules in which the set of tasks are related with each other loosely then such modules are called as
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