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Internet / AI Technology University (ITU/AITU)
Created by info@itofthefuture.com
Welcome Anonimous.User to this quiz related to Spring Test.

Read the question and choose the best answer. Time is limited to 40 seconds!

Important! Do not forget to rank the quality of the question (from bad to excellent).
An initiator of the quiz will get royalty score for QnAs created by her/him and can win the Top Creativity Prize.
Question:
Suppose that application access the same identity (business object) in two different sessions. How many instances of the business object we have?

1 if lock mode is not LockMode.WRITE, otherwise - 2


2 if transaction isolation is "dirty-read", otherwise - 1


2


1


2 if optimistic concurrency control is enabled, 1 - if pessimistic
Rank the Quality of the Question from "-10" (bad) or "0" (not clear) to 10 (correct) or even 20 (very good!)
-10 (bad/wrong) 0 (not clear) 10 (correct) 20 (very good!)
Your summary report will be available to you and your instructor. Thank you for your work!!!