Final answer:
A wall-mounted rack is ideal for a room with limited space for servicing equipment, as it saves floor space while providing secure storage.
Step-by-step explanation:
If you have limited space for servicing equipment, the best type of rack to use would be a wall-mounted rack. This type of rack is installed on the wall, allowing you to save floor space while still providing a secure and organized storage solution for your equipment. Wall-mounted racks are commonly used in areas where space is a constraint, such as small server rooms or home offices.