A guest account is used for everyday computing

One password attack technique that is not used is online _______________ in which the attacker attempts to enter the password by typing different variations at the password login prompt.

Fill in the blank(s) with the appropriate word(s).

The DOS operating system allows ____ characters plus an optional period and 3-character extension as the maximum filename length.

a. 4 b. 8 c. 16 d. 32