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QUESTION
(a) Explain why making some replica managers read-only may improve the performance of a gossip system.
(b) In the gossip architecture, why does a replica manager need to keep both a replica timestamp and a value timestamp?
(c) Explain why allowing backups to process read operations leads to sequentially consistent rather than linear executions in a passive replication system.
(d) What is the consistency issue raised by state transfer?
(e) Explain why a multi-threaded server might not qualify as a state machine.
Equivalence class testing Equivalence class testing is based on partitioning the input domain of a program into a number of equivalence classes so that the test of a representa
Q. Describe system testing? Ans. System testing: System test are designed to validate a completely developed systems with a view to assuring that it meets its requirements
Write down short notes on empirical estimation models ?
Illustrate the method of User documentation This usually comprises: - How to load/run the software - How to do a search - How to save files - How to do pri
What is 4Test? 4Test is a test scripting language which is used by SilkTest to compose test scripts to perform automated tests. It's an object-oriented fourth-generation langua
Draw a memory map for a system with a memory capacity of 256MB. Each memory location in the system is 8 bits. Assume the system has one 4 MB memory block used as ROM residing at th
A) In terms of maintenance in software life cycle, does RUP or agile approach give better support? Describe your answer. B) Explain how agile development approach and RUP
A document reporting on any event that happens during testing that needs further investigation.
Define Traceability Traceability is the overall property of requirements specification which reflects the easiness of finding related requirements. Three different parts
QUESTION (a) Explain why making some replica managers read-only may improve the performance of a gossip system. (b) In the gossip architecture, why does a replica manager ne
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