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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 is ISO 9000 certification? Quality standards and procedures should be recognized in an organisational quality manual An external body may confirm that an organisation'
Define query language? A query is a statement requesting the retrieval of information. The portion of DML that includes information retrieval is known as a query language.
give examples of cohesion and coupling
Question: a) Briefly describe the principles of the DSDM methodology. b) What are the advantages of using the DSDM methodology? c) The MOSCOW technique is used to priori
Define metrics. Metrics is explained as the degree to which a system component, or process possesses a given attribute.
Explain Smoke testing - Smoke testing covers all of the fundamental functionality of application. - It is considered as the main test for checking the functionality of appli
Q. Differentiate between ISO and CMM? Ans) The difference between CMM and ISO are as follows :- - ISO 9000 is awarded by an international standards body. Thus, ISO 9000 cert
QUESTION 1 (a) Define "archives" as records and explain their importance. (b) Elaborate on the steps archivists have to undertake for the storage of archival records. QU
Explain Static analysis? Ans) (1) Analysis of a program that is performed without implementing the program. (2)The process of assessing a system or component based on its for
Define cohesion & coupling? Give suitable examples. Coupling : Coupling refers to the strength of the relationship among modules in a system. Coupling shows how strongly dif
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