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which of the following?

A network topology that utilizes a central device with point-to-point connections to all other devices is which of the following?

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A.
Star

B.
Ring

C.
Mesh

D.
Bus

Explanation:
A Star network is the most common network in use today. Ethernet networks with computers connected to a switch (or a less commonly a hub) form a star network.
The switch forms the central component of the star. All network devices connect to the switch. A network switch has a MAC address table which it populates with
the MAC address of every device connected to the switch. When the switch receives data on one of its ports from a computer, it looks in the MAC address table to
discover which port the destination computer is connected to. The switch then unicasts the data out through the port that the destination computer is connected to.

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