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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.
Explain Static analysis? Ans) (1) Analysis of a program that is performed without implementing the program. (2)The process of assessing a system or component based on its for
Objectives of Data dictionaries:- 1) A standard definition of all terms in a system, that is every item of data is uniquely identified and described. 2) Easy cross-referen
Explain Testability? Ans) (1) The degree to which a scheme or component facilitates the establishment of test criteria and the performance of tests to verify whether those crite
What is data dictionary entry explain
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
Discuss how your own organization can take advantage of outsourcing its IT systems/functions. In your discussion state what can be outsourced and what benefit will be gained. Do yo
A testing technique using input values at, just below, and just above, the definite limits of an input domain; and with input values causing outputs to be at, just below, and just
Explain the Throw away prototype In this technique, prototype is discarded once its purpose is fulfilled and final system is built from scratch. Prototype is built quickly t
What is Validation represent? Validation means a set of deeds that ensure that the software that has been built to satisfy the customer requirements.
Mention some of the factors to be considered during System Modeling. Simplifications Assumptions Constraints
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