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Question

Difficulty: EasyNetwork Topology Architectures

An network administrator is setting up a traditional Cisco three-tier campus network. Which network tier is primarily responsible for directly attaching workstations, IP phones, and wireless access points while providing boundary security features such as port security?

  1. Access layerAnswer
  2. B
    Distribution layer
  3. C
    Core layer
  4. D
    Spine layer

Answer

The Access layer is responsible for direct endpoint connectivity and edge security control.
In a classic three-tier hierarchical campus network design, the Access layer switch provides direct physical and logical connectivity for end-user devices (workstations, printers, IP phones) and implements local port-level security features like Port Security and DHCP Snooping.

Step-by-Step Solution

1
Identify the primary functions required in the prompt
Directly connecting end-user endpoints (workstations, IP phones, APs) and applying edge security features such as port security.
Different network layers in Cisco hierarchical designs perform distinct operational tasks.
2
Map these functions to the correct Cisco three-tier layer
The Access layer provides end-node attachment and initial entry controls.
The Core layer focuses purely on high-speed switching, while the Distribution layer manages routing boundaries and aggregation.

Key Concept

Cisco 3-Tier Campus Architecture - Access Layer Role
Estimated Time:45s
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Topics

Network Topology Architectures

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