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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.
Write definition of DFD? Data Flow Diagram supplies the information flow and the transforms that are used on the data as it moves from input to output.
Question: (a) Show three application areas for agents. (b) What do you meant by "temporally coupled coordination"? Provide an example of a temporally coupled coordination
Problem 1 (i) Define the terms Language Grammar Terminal symbols Non-Terminal symbols Alphabets >>Define sub parts (ii) Identify and write what these
Define the meaning of Code Inspection - A formal testing technique where programmer reviews source code with a group who ask questions analyzing program logic, analyzing code
Test Build Managers, System Administrators and Database Administrators deliver new software versions to the test environment, install the application's software and apply software
What are the principles of testing Below are some of the principles of testing: i) All tests must be performed according to user requirements. ii) Planning of tests m
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
What are the objectives of Analysis modelling? i. To explain what the customer requires. ii. To establish a basis for the creation of software design. iii. To devise a se
Design could mean to lots of things, but often refers to internal design or functional design. Good functional design is point to by software functionality can be traced back to cu
I need help for my X86 Assembler program
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