Which two elements of security are ensured by data integrity? (Choose two.)
- Data is available wherever it it needed.
- Data is accurate and has not been changed in transit.
- Data is always available to users.
- Data is viewable to only authorized users.
- Data can only be modified by authorized users.
Explanation: Data integrity ensures that data has not been modified or tampered with in transit or storage, and that it is accurate and consistent. This is typically achieved through the use of cryptographic techniques, such as digital signatures or hash functions. The following statements describe the elements of security that are ensured by data integrity:
- Data is accurate and has not been changed in transit. By ensuring that data has not been modified or tampered with, data integrity ensures that data is accurate and that it has not been changed in transit.
- Data can only be modified by authorized users. Data integrity also ensures that data can only be modified by authorized users, who have the necessary permissions to modify the data. This helps to prevent unauthorized changes to data and helps to maintain the accuracy and consistency of data.
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