Which of the following BEST describes a server where several physical server chassis are housed within an enclosure to share some redundant resources?

A tower server is a standalone, self-contained unit in an upright cabinet with its own dedicated power and cooling, and does not share any resources with other servers in an enclosure.

A rack mount server is a flat-profile unit designed to mount in a standard equipment rack, but each unit maintains its own independent power supply, cooling, and networking rather than sharing those resources from a common chassis.

Blade servers consist of thin server modules inserted into a shared chassis enclosure that provides centralized, redundant power supplies, cooling fans, and network switching. Each blade contains its own CPU, RAM, and local storage, but all blades within the enclosure share infrastructure resources, which is precisely what the question describes.

Bare metal server describes a physical server dedicated to a single tenant or running an OS directly without a hypervisor layer, and is not a form factor defined by shared-resource enclosures.