?In what state is sending unsolicited e-mail illegal?

Rainbow table means type of password crackers that work with pre-calculated hashes of all passwords available within a certain character space.

a. true b. false

What is an in-order traversal of binary search trees?

a. It is a way of traversing each element of the tree in the following order: left -> root -> right, starting from the root node b. It is a way of traversing each element of the tree in the following order: root -> left -> right, starting from the root node c. It is a way of traversing each element of the tree in the following order: left -> right -> root, starting from the root node d. None of the above