If you have a node pointer named head, which is pointing to a valid node, how do you access the member variable in the node named item?

To determine how often a value occurs in a dataset, use the SUMIFS function

Indicate whether the statement is true or false

A user has attempted to access data at a higher classification level than the user’s account is currently authorized to access. Which of the following access control models has been applied to this user’s account?

A. MAC B. DAC C. RBAC D. ABAC