An Early Networking Device That Functioned at Layer 1 of the OSI

question 13

Multiple Choice

An early networking device that functioned at layer 1 of the OSI model and added devices to a single segment is known as which of the following choices?

• A)switch
• B)router
• C)firewall
• D)hub

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Definitions:

Sigma Complex

An intermediate in certain chemical reactions characterized by a fully saturated carbon atom bonded to a metal center.

Generic Electrophile

A broadly defined electron-deficient species capable of forming new bonds by accepting a pair of electrons from a nucleophile.

Electrophilic Iodination

A chemical reaction involving the addition of iodine to a substrate via an electrophilic attack.

Aromatic Ring

A stable, planar ring of carbon atoms interconnected by alternating single and double bonds, exhibiting delocalized π-electron cloud.