The Layer That Actually Carries Data Via Cables or Radio

question 25

Multiple Choice

The layer that actually carries data via cables or radio signals is the:

• A) Transport layer
• B) Physical layer
• C) Network layer
• D) Data-link layer

---

Definitions:

Fixed Costs

Constant costs that do not vary with changes in production or sales levels, like property rent, worker compensation, and policy premiums.

Tax Rate

The rate at which a person or company is charged by the government on their earnings or gains.

Equivalent Annual Cost

A financial metric used to compare the cost-effectiveness of different investments with different lifespans or costs.

Net Working Capital

The gap between a business's current assets and its current liabilities, showcasing the firm's liquidity.