Hubs

question 36

Multiple Choice

Hubs:

• A)usually incorporate repeaters or amplifiers
• B)allow for simultaneous communication for all of the computers connected to them
• C)limit the distance of a network to a few meters in length
• D)are a difficult method to connect network cables
• E)operate at the application layer

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Definitions:

Reaction

A chemical change that occurs when substances combine or decompose forming new compounds.

Boiling Point

The temperature at which a liquid’s vapor pressure equals the external pressure surrounding the liquid, causing it to turn into vapor.

Molecules

The smallest unit of a chemical compound that can exist, composed of two or more atoms bonded together chemically.

Compound Name

The designation of a chemical substance based on its composition and structure.