The ____________________ tools are particularly useful if you have created a symbol set that is intended to appear random.

In addition to text-only chats, people in the 1990s used their Web browsers to visit a virtual ____ room, where they could send text-only messages to other users in the room.

A. ?text B. ?chat C. ?club D. ?mail

An administrator discovers that many users have used their same passwords for years even though the network requires that the passwords be changed every six weeks. Which of the following, when used together, would BEST prevent users from reusing their existing password?

A. Length of password B. Password history C. Minimum password age D. Password expiration E. Password complexity F. Non-dictionary words