MOD 12 Flashcards
What is the act of verifying a claimed identity?
User authentication
User authentication sources are something the user: _____, _______, and ______.
Knows, Has , Is
What is a combination of something the user knows, has, and is?
multifactor authentication
What shines certain wavelength of lights into eyes at close range?
Retinal scan
What takes a picture of the iris using ultraviolet light?
Iris scan
Which attack consists of guessing the password by trying possibilities from a long list?
Dictionary attack
What are pre-computed hashes used as lookups?
Rainbow tables
What are all the possible combinations given any constraints?
Key Space
Forcing users to include an upper case character and a number ________ the key space.
reduces
8 character passwords for all lower case letters is?
26^8
9 character passwords for all lower case letters is?
26^9
8 character passwords for all upper and lower case letters is?
52^8
8 character alphanumeric is?
62^8
9 character alphanumeric is?
62^9
Army is now using ____ character passwords
12
