620 practice exams and remote support sims

kctxau

The 70-270 category on this site has a practice exam and a remote support sim. Does the 620 category have one? Is the 270 remote sim similar enough to use for the 620?
Here are links to the 70-270 versions.

http://www.techexams.net/msexam/start.php?exam=702701
and
http://www.techexams.net/videos/70-270_XP_remote.htm (seems to work best with IE)