Which value represents Read in the permission mapping?

Which value represents Read in the permission mapping?

• A. 3
• B. 0
• C. 1
• D. 2

Answer: (A)

Permissions are encoded as numeric codes in a predefined mapping, so each access level has a specific number. In this question’s mapping, Read is assigned the value 3, which is why 3 is the correct code for Read. The numbers around it (0, 1, 2) correspond to other permissions or to no access, depending on the exact table used. If a permission set were a combination, you’d see a sum of codes according to the same mapping, but for this item Read is defined as 3.

Permissions are encoded as numeric codes in a predefined mapping, so each access level has a specific number. In this question’s mapping, Read is assigned the value 3, which is why 3 is the correct code for Read. The numbers around it (0, 1, 2) correspond to other permissions or to no access, depending on the exact table used. If a permission set were a combination, you’d see a sum of codes according to the same mapping, but for this item Read is defined as 3.