A network engineer is designing a borderless switched network in a hierarchical fashion. Which guideline might cause the engineer to implement a three-tier layer model?

Questions BankA network engineer is designing a borderless switched network in a hierarchical fashion. Which guideline might cause the engineer to implement a three-tier layer model?
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Question:
A network engineer is designing a borderless switched network in a hierarchical fashion. Which guideline might cause the engineer to implement a three-tier layer model?

  • Fault isolation is one of the primary purposes of the distribution layer.xx
  • Access layer L2 switches connect to distribution layer L3 switches, which implement routing, quality of service, and security.
  • The core layer provides differentiated services to various classes of service applications at the edge of the network.xx
  • The access layer provides aggregation of Layer 2 broadcast domains.

Explanation: The access layer represents the network edge, where traffic enters or exits the campus network. Traditionally, the primary function of an access layer switch is to provide network access to the user. Access layer switches connect to distribution layer switches, which implement network foundation technologies such as routing, quality of service, and security.

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