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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.
Communicational cohesion : Communicational cohesion is when parts of a module are grouped because they operate on the similar data (e.g. a module which operates on the similar reco
Question: (a) ‘Information Strategy involves the encompassing of an organisation's information requirements and information systems planning with its long-term objectives.' T
What is the use of a data flow diagram? A data flow diagram is used to represent the functional view of an application domain. It represents all the significant business proces
Question 1 Write short notes on (i) Lexical Analysis (ii) Syntax Analysis (iii) Semantic Analysis 2 Explain various data structures used in Macro Processor Design 3 Descr
The majority charge carriers in p-type semiconductor are?? The majority charge carriers are holes.
Q. Regard as a program that reads a set of Data for 'n' no. of triangles. The program reads three integer values like representing the sides of triangles. The program prints for ea
m2+m3+m5+m7+m12+m8+m9 simplify using k-map
Question 1 What is MASM? Explain its features Question 2 Explain the significance of Lexical analysis and Syntax analysis Question 3 What are macros and macro processors
How can recovery scenario manager be used to handle exceptions in QTP? QTP provides a wizard through Recovery Scenario Manger which can recover unexpected errors and events wh
What are interrupts In a microprocessor system, there are three main types of interrupt that cause a break in the normal implementing of a program
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