The Phones at a Business Are Being Replaced with VoIP

question 193

Multiple Choice

The phones at a business are being replaced with VoIP phones that get plugged in-line between the switch and PC. The voice and data networks still need to be kept separate. Which of the following would allow for this?

• A) NAT
• B) Intranet
• C) Subnetting
• D) VLAN

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Definitions:

External Costs

Costs of economic activity not borne by the producer or consumer but by society, often not reflected in the price of goods or services.

Economic Efficiency

A situation where resources are allocated in a way that maximizes the production of goods and services at the lowest cost.

Market

A place or arrangement through which goods and services are exchanged between buyers and sellers.

Public Good

A commodity or service that is provided without profit to all members of a society, either by the government or by a private individual or organization.