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Difficulty: EasySwitching Concepts and VLANs

A network technician needs to separate broadcast traffic between two departments connected to the same physical switch. Which technology should the technician implement on the switch to isolate the broadcast domains?

  1. A
    Spanning Tree Protocol
  2. Virtual Local Area Networks (VLANs)Answer
  3. C
    802.1Q Native VLAN Trunking
  4. D
    Network Address Translation (NAT)

Answer

Virtual Local Area Networks (VLANs) logically segment a physical Layer 2 switch into distinct broadcast domains.
Virtual Local Area Networks (VLANs) allow network administrators to partition a single physical switch into multiple logical broadcast domains, keeping broadcast traffic isolated within each designated group of ports.

Step-by-Step Solution

1
Analyze the network requirement
The requirement calls for isolating broadcast traffic between different host groups connected to the same physical switch.
By default, all ports on an unconfigured Layer 2 switch belong to a single shared broadcast domain.
2
Identify the appropriate Layer 2 feature
Configuring Virtual Local Area Networks (VLANs) groups switch ports into logical sub-networks.
VLANs restrict broadcast frames to only those switch ports assigned to the same VLAN ID.

Key Concept

VLAN Broadcast Domain Isolation
Estimated Time:45s
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Topics

Switching Concepts and VLANs

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