Question

What is certification and where it is used ?

Answer 1

A certified pre-owned car or CPO is a type of used car. Most often late-model, they differ from other used cars by having been inspected, refurbished, and certified by a manufacturer or other certifying authority. They also typically include an extended warranty, special financing, and additional benefits.

Answer 2

the action of providing someone or something with an official document attesting to a status or a level of achievement