A technician has replaced a memory stick in a computer. After the operating system starts to boot, the computer displays a BSOD. Which of the following is the MOST likely cause?

When enforcing referential integrity on fields with multiple values, you need to ensure that ________

A) the primary key and foreign key fields have not had any data entered into them B) the foreign key field has not had any data entered into it C) the primary key field has not had any data entered into it D) Referential integrity cannot be enforced on fields with multiple values

________ risk remains after implementing security controls to mitigate risk

Fill in the blank(s) with correct word