Unraveling CCNA Mysteries: Your Go-To Guide for Tackling Assignments - 1 views
started by brandywright021 on 28 Nov 23
started by brandywright021 on 28 Nov 23
started by brandywright021 on 28 Nov 23
started by brandywright021 on 28 Nov 23
Answer:
Understanding the differences between a hub and a switch is fundamental in the world of networking, and it's a common topic in CCNA assignments. Let's break down the key distinctions between these two devices:
Hub:
A hub operates at the OSI model's physical layer (Layer 1) and essentially functions as a multi-port repeater. When a hub receives data, it broadcasts it to all connected devices, regardless of the intended recipient. This can lead to increased network congestion and reduced performance, especially as the number of connected devices grows.
Switch:
On the other hand, a switch operates at the data link layer (Layer 2) and is more intelligent in handling network traffic. Unlike a hub, a switch is aware of the MAC addresses of the devices connected to it. When it receives data, it makes forwarding decisions based on these addresses, sending the data only to the device for which it is intended. This significantly improves network efficiency and reduces unnecessary traffic.
Impact on Network Performance:
The choice between a hub and a switch has a direct impact on network performance. In scenarios with a hub, all devices on the network share the available bandwidth, leading to collisions and potential delays. A switch, however, provides dedicated bandwidth for each connected device, promoting faster and more efficient data transmission.
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