describe the 3 different types of authentication

Type 1 – Something You Know: includes passwords, PINs, combinations, code words, or secret handshakes. Anything that you can remember and then type, say, do, perform, or otherwise recall when needed falls into this category.

Type 2 – Something You Have – includes all items that are physical objects, such as keys, phones, smart cards and USB drives devices

Type 3 – Something you are: includes any part of the human body that can be offered for verification, such as fingerprints, palm scanning, facial recognition, retina scans, iris scans, and voice verification.

You can solve this problem using the formula m = 4a + 2c. m is for meatballs, a is for adults, and c is for children.m = 4 (25) + 2 (6)m = 100 + 12m = 112112 meatballs are required for a party of 25 adults and 6 children.