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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 advantages of Software maintenance Software maintenance is a very broad activity which includes error correction, deletion of obsolete capabilities, enhancement of
Q. What is reverse engineering? Ans. It is a method of analysing software with a view to understanding its design and specification. - In source code, reverse engineering
Probelm: (a) Compare Supply Chain Management (SCM) and Customer Relationship Management (CRM) . How are they similar? How are they different? Your answer should show the differ
Question: (a) Explain what is meant by Dimensional Modeling as used in Business Intelligence (BI) solutions. (b) There has been a request from the Managing Director of an In
(a) Draw an Entity-Relationship model for the relational schema given in the Appendix. Show all the entities, relationships, relationship names, and attributes and also underline
What are Quality plans? Quality plan structure Product plans; Product introduction; Process descriptions; Quality goals; Risks and risk management.
What is boundary data- Test data Extreme/boundary data - This is data at the limits of validity/acceptability (for instance, if a date is being input, two values at the
write note on hipocode
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
Q. What are the objectives of software design? What are the objectives of software design? How do we transform an informal design to a detailed design? Ans Objectives of
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