How Many Cross-Over Events Are Depicted in the Figure

question 28

Multiple Choice

How many cross-over events are depicted in the figure?

• A) zero
• B) one
• C) two
• D) four

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Definitions:

Firewall

A software program or hardware device designed to prevent unauthorized access to computers or networks.

Media Access Control (MAC)

A unique identifier assigned to network interfaces for communications on the physical network segment.

Physical Address

A unique identifier assigned to each network interface on a network. It's also known as a MAC (Media Access Control) address in the context of networking.

Network Adapter

A device that enables the computer (or peripheral) to communicate with the network using a common data communication language, or protocol.