You have just added a CD.ROM drive (/dev/hdd) to your system and have added it to yourfstab.
Typically you can use which of the following commands to mount media in that drive to
/mnt/cdrom?

A.
mount /dev/cdrom /mnt/cdrom

B.
mount/dev/cdrom

C.
mount -t cdrom /dev/cdrom /mnt/cdrom

D.
mount /mnt/cdrom

E.
automount /mnt/hdd /mnt/cdrom

Explanation:
/mnt/cdrom or /media/cdrom is the mount point for cdrom specified in /etc/fstab.
/dev/hdd /media/cdrom auto pamconsole ,exec,noauto,managed 0 0
/dev/hdc /media/cdrecorder auto pamconsole ,exec,noauto,managed 0 0
So we need to mount just typing mount /media/cdrom command.