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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 architectural evolution? Architectural evolution is the practice of modifying a system from a centralized architecture to a distributed architecture like client server.
Determine the Sanity testing - Sanity testing is used to ensure that conflicting or multiple functions or variables don't exist in system. - It verifies that components of
Key process areas of CMM. 1. Requirements management which establishes a common relationship among the customer and developer 2. Software project planning where reasonable
Q. Explain activities of software maintenance? The Software maintenance is a broad activity that includes enhancement of capabilities, error correction, deletion of obsolete ca
What is Stress testing - It checks the robustness of application. - It verifies that application consistently provides satisfactory performance under unfavourable and extre
what do you understand by recursion.explain the simulating recursion in brief.program of fabinacon series by recursion
Ask Create an XML file with markup tags and some sample data to represent a list of invoices.
Describe in short about software testing ?
What is quality control? Ans) Quality control means to preserve the quality of product by measuring their content , different physical parameters.
Question: (a) (i) What are the main components of the Network Switching Subsystem in GSM? (ii) What are the main functions of the Network Switching Subsystem? (b) What
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