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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 about drivers and stubs. Drivers and stub software has to be developed to test incompatible software. The " driver" is a program that accepts the test data and prints
Nonfunctional Requirements Performance Requirements PE-1: The Clue-Less system shall accommodate 6 users during peak usage, with an estimated average session duration of 15 m
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. Illustrate key process areas of CMM? The key process areas of CMM are 1. Requirements management that establishes a common relationship between the customer and developer
Grey box testing is a software testing method that uses a combination of black box testing and white box testing. Gray box testing is not the black box testing, because the tester
Can you please suggest sample project works related to advanced software engineering?
This method categorizes the inputs and outputs of a class in order to test them separately. This decreases the number of test cases that have to be designed. To verify the diffe
Present an evaluation of the current performance of your chosen company using ROCE, RI, EVA and SVA. (All figures employed should be up to date , clearly explained / justified an
What are the profits of vertical partitioning? i. These are very easy to maintain changes. ii. They decreased the change impact and error propagation.
design steps
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