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Computer Networks History and Layers

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Questions and Answers

What is the primary function of a bridge in the OSI model?

To filter data packets according to the source address

To create a star topology with point-to-point wires

To amplify the signal and filter out noise

To filter data packets according to the destination address (correct)

What is the main difference between a repeater and a hub?

A repeater filters out noise and amplifies the signal, while a hub does not

A repeater operates at layer 3, while a hub operates at layer 2

A repeater connects two networks, while a hub creates a star topology (correct)

A repeater is 'dumb' while a hub is 'intelligent'

What layer of the OSI model do bridges typically operate at?

Layer 3 (Network) (correct)

Layer 1 (Physical)

Layer 7 (Application)

Layer 2 (Data Link)

What is the purpose of a bridge in connecting two LANs?

To prevent unnecessary traffic between the networks Signup and view all the answers

What type of protocol is used in a repeater?

Layer 3 protocol Signup and view all the answers

What is the primary function of a repeater?

To amplify the signal and filter out noise Signup and view all the answers

What type of topology is created by a hub?

Star topology Signup and view all the answers

What layer of the OSI model do repeaters typically operate at?

Layer 2 (Data Link) Signup and view all the answers

What is the main difference between a bridge and a repeater?

A bridge filters data packets, while a repeater does not Signup and view all the answers

What is the primary purpose of using a bridge or repeater?

To connect multiple networks that operate using the same protocol Signup and view all the answers