How can a network administrator minimize the number of devices receiving broadcast traffic in a LAN?

How can a network administrator minimize the number of devices receiving broadcast traffic in a LAN?

• A. Upgrade the router's firmware
• B. Filter broadcasts with an access control list
• C. Segment the LAN into small LANs and route between them
• D. Increase the bandwidth of the network

Answer: (C)

Segmenting the LAN into smaller LANs and routing between them is an effective strategy for minimizing broadcast traffic. This approach involves creating separate subnetworks or VLANs (Virtual Local Area Networks) within the larger network. Each segment handles its own broadcast traffic, so devices in one segment do not receive broadcasts intended for another segment. By isolating broadcast domains in this way, network administrators can significantly reduce the volume of unnecessary broadcast packets that individual devices must process, leading to improved overall network performance and efficiency. When LAN segments are set up, routers or layer 3 switches are typically used to facilitate communication between these segments. This routing provides a controlled environment where devices can communicate without being inundated by broadcasts from other segments, which is essential in reducing congestion and enhancing the network's speed and reliability. In contrast, other methods mentioned do not specifically target the reduction of broadcast traffic. Upgrading the router's firmware might enhance performance and security features but does not inherently change how broadcast traffic is handled. Filtering broadcasts with an access control list can limit certain types of traffic but is not a comprehensive solution for broadcast minimization. Increasing the bandwidth of the network can improve overall capacity but does not directly address the issue of excessive broadcast traffic, which can still create inefficiencies regardless of

Segmenting the LAN into smaller LANs and routing between them is an effective strategy for minimizing broadcast traffic. This approach involves creating separate subnetworks or VLANs (Virtual Local Area Networks) within the larger network. Each segment handles its own broadcast traffic, so devices in one segment do not receive broadcasts intended for another segment. By isolating broadcast domains in this way, network administrators can significantly reduce the volume of unnecessary broadcast packets that individual devices must process, leading to improved overall network performance and efficiency.

When LAN segments are set up, routers or layer 3 switches are typically used to facilitate communication between these segments. This routing provides a controlled environment where devices can communicate without being inundated by broadcasts from other segments, which is essential in reducing congestion and enhancing the network's speed and reliability.

In contrast, other methods mentioned do not specifically target the reduction of broadcast traffic. Upgrading the router's firmware might enhance performance and security features but does not inherently change how broadcast traffic is handled. Filtering broadcasts with an access control list can limit certain types of traffic but is not a comprehensive solution for broadcast minimization. Increasing the bandwidth of the network can improve overall capacity but does not directly address the issue of excessive broadcast traffic, which can still create inefficiencies regardless of