If concurrent update transactions to an account are not processed properly, which of the following will be affected?
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A. B. C. D.A.
When multiple transactions attempt to update the same account concurrently, there is a possibility of conflicts and inconsistencies in the data. These conflicts arise because each transaction accesses and updates the data independently, without knowledge of the other transactions.
If the concurrent update transactions are not processed properly, the data in the account may become inconsistent or incorrect, affecting the integrity of the data. The integrity of data refers to the accuracy, completeness, and consistency of the data. It ensures that the data is trustworthy and reliable.
In contrast, confidentiality refers to the protection of sensitive information from unauthorized disclosure, while availability refers to the ability of users to access the system and data when needed. Accountability refers to the ability to track and identify who did what with the data.
Therefore, in the case of concurrent update transactions, integrity is the most likely to be affected if the transactions are not processed properly. It is important to implement proper concurrency controls, such as locking, to ensure the integrity of data in such scenarios.