1) Alice chooses her password using Pokemon name. She randomly picks X Pokemons, take the first 3 characters from each Pokemon's name, and concatenates them to form her password. Let's assume that there are a total of 2¹⁰= 1024 Pokemons and the first 3 characters of their names are unique.

Alice uses the password for her home wifi access point (using WPA2-PSK). Among the choices below, which is the smallest X that meets the security requirement.

i) 8 ii) 6 iii) 2 iv) 13 v) 30 vi) 4