Which Layer of the Open Systems Interconnection (OSI)model Specifies the Electrical Connections

question 29

Multiple Choice

Which layer of the Open Systems Interconnection (OSI) model specifies the electrical connections between computers and the transmission medium and is primarily concerned with transmitting binary data, or bits, over a communication network?

• A)Application
• B)Transport
• C)Data Link
• D)Physical

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Definitions:

Cerebrospinal Fluid

The clear, colorless body fluid found in the brain and spinal cord, protecting and nourishing them.

Myelin Sheath

A fatty layer that surrounds the axons of some neurons, providing insulation and increasing the speed of electrical transmission along the nerve.

CNS

Central Nervous System, comprising the brain and spinal cord, responsible for processing information and controlling body functions.

Glial Cell

Non-neuronal cells in the nervous system that provide support, nutrition, and insulation between neurons.