Exam DP-900 topic 1 question 191 discussion

Actual exam question from Microsoft's DP-900

Question #: 191
Topic #: 1

Which database transaction property ensures that transactional changes to a database are preserved during unexpected operating system restarts?

A. consistency
B. atomicity
C. durability
D. isolation

Show Suggested Answer

Suggested Answer: C 🗳️

by pallmall at Sept. 6, 2022, 5:20 p.m.

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mamahani

Highly Voted 1 year, 1 month ago

I took the exam 12.04.2023; this question appeared,correct answer durability

upvoted 9 times

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pallmall

Highly Voted 1 year, 9 months ago

Selected Answer: C

C durability

upvoted 5 times

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james2033

Most Recent 7 months, 2 weeks ago

Selected Answer: C

Durability: After a transaction successfully completes, changes to data persist and are not undone, even in the event of a system failure. For example, in an application that transfers funds from one account to another, the durability property ensures that the changes made to each account will not be reversed. https://www.ibm.com/docs/en/cics-ts/5.4?topic=processing-acid-properties-transactions

upvoted 1 times

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OCHARIS

8 months, 3 weeks ago

appeared 13/09/2023

upvoted 1 times

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VNR25

11 months ago

This question appeared in the 07/07/23 exam and the answer is correct.

upvoted 1 times

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Pranava_GCP

1 year, 1 month ago

Selected Answer: C

C is correct, Durability – when a transaction has been committed, it will remain committed and saved to hard disk, after system reboot or restart, the data will be loaded back from hard disk so no data loss occurred.

upvoted 2 times

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