[CentOS] Live CD root password

Does the root user on the CentOS 5 live CD have
a password? If so, which?

su and sudo asks for a password, it is neither empty,
root nor centos.

Mogens
-- 
Mogens Kjaer, Carlsberg A/S, Computer Department
Gamle Carlsberg Vej 10, DK-2500 Valby, Denmark
Phone: +45 33 27 53 25, Fax: +45 33 27 47 08
Email: mk at crc.dk Homepage: http://www.crc.dk