Which neuroglial cells of the CNS provide protection and metabolic support to neurons?

The glial cells

Explanation:

The glial cells functions by maintaining homeostasis, forms the myelin sheath and satelite cells that provides nutrients, support and protection for neurons in the brain, and for neurons in other parts of the nervous system such as in the autonomic nervous system.

Glial cells of the peripheral nervous system

Explanation:

They are in peripheral nervous system include Schwann cells, which form the myelin sheath, and satellite cells, wich provide nutrients and structural support to neurons.