Ocp dba

hi all,
i'm italian guy and i'm a newbie of this forum.
i'm glad if someone will help me.
i'm OCA DBA and i want to become OCP.
reading the oracle's whitepaper i learn that it's obbligatory follow and complete 1 advanced training course.
now... there are several titles and for each there are present 3 kind of course:

1)Classroom Training
2)Live Virtual Class
3)CD

now the question: is the same if i buy the cd instead of classroom training!? because between the 2 course there is 1300$ of difference....

thank u in advance, guys!
:D:D

The CD training does not count towards the hands-on training requirement.