How does a switch help improve Ethernet performance A. By restricting broadcast traffic B. By replacing hubs as mainstream devices C. By confining collisions to a particular scope D. By improving data link layer communication
Question
How does a switch help improve Ethernet performance A. By restricting broadcast traffic B. By replacing hubs as mainstream devices C. By confining collisions to a particular scope D. By improving data link layer communication
Solution
A switch improves Ethernet performance in several ways:
A. By restricting broadcast traffic: A switch can intelligently send packets only to the port where the recipient device is connected, rather than broadcasting the packet to all ports as a hub does. This reduces unnecessary traffic and improves overall network efficiency.
B. By replacing hubs as mainstream devices: Hubs are less efficient than switches because they broadcast all packets to all ports. Switches, on the other hand, can send packets only to the intended recipient, which reduces network congestion and improves performance.
C. By confining collisions to a particular scope: In an Ethernet network, a collision occurs when two devices try to send a packet at the same time. A switch can confine these collisions to the two devices involved, rather than letting the collision affect the entire network. This improves network performance.
D. By improving data link layer communication: The data link layer is responsible for node-to-node data transfer. A switch can improve this communication by providing a dedicated path between two nodes, which increases the speed and efficiency of data transfer.
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