The ____ facet constrains the data type to a specified list of values.

Which of the following best describes a rainbow table?

a. A table that contains passwords b. A table that contains usernames c. A table that contains all possible hashes for all possible character combinations d. A table that contains all possible usernames and passwords

If you use a circular chain that has only a tail pointer, as Figure 14-6 illustrates, how do you access the data in the first node?

What will be an ideal response?