Answer:
No, rack ears don't come preinstalled on the switch. They are an optional accessory that can be purchased separately.
Explanation:
Rack ears are used to mount a switch in a rack. They are typically made of metal and have two holes that line up with the holes in the back of the switch. Once the rack ears are installed, the switch can be slid into the rack and secured in place with screws.
Rack ears aren't necessary for all switches. Some switches are designed to be mounted on a wall or in a cabinet. However, if you plan to mount your switch in a rack, you will need to purchase rack ears separately
