How well do you know Halo 3 ?

This quiz is about the best game in the world Halo 3 it awesome

1 What is the rank of Master Cheif
2 How many Halo games are there
3 What is Master Chief's colour armour
4 In Halo 3 what is the name of Master Cheifs covenant companion ?
5 In Halo 2 why was the covenant alien made the Arbiter ?
6 In Halo 2 what was the new main enemy and why
7 What famous web show was based on Halo 1, 2 and 3
8 Master Chief is... Sierra