Question 2 A data integrity problem will occur only if .
the database is very large
there are complex relationships between entities
in a database data are duplicated
in a database a database has multiple administrators

"In a database data are duplicated" which is written in the options of third line is a correct option for the above question.

Explanation:

The data integrity is a problem that is resolved by the process of normalization. It is a problem which is occurred when any tables hold the duplicate data. This duplicate data held the problem in the operation of data like searching the data and delete the data.If any update is done on the duplicate data then all duplicate data can update the same information which can be wrong in some cases.The above question asked about the integrity problem which is occurred by the duplicate data. so the option which states about the duplicate data is the correct answer while the other is not because all other options (except this) are stated that concept which is not the problem of the database.