JN0-1100: Juniper Networks Certified Design AssociateDemo

By Juniper · Question Mode

QuestionQ23

Campus and Branch LAN Design

What is the role of the core tier in a traditional three-tier Layer 2 network environment?

  • A The core tier connects to the Internet and with lower tier Layer 2 devices to provide Layer 3 gateway services for the network.
  • B The core tier interfaces with lower tier devices and provides a high-speed interconnect with the north-bound WAN edge device.
  • C The core tier provides network connectivity to end-user devices and other hosts and enforces network access policy.
  • D The core tier relays traffic between the lower tier Layer 2 devices and functions as the gateway to the upper tier device.
Explanation

The core tier serves as the high-speed campus backbone, interconnecting lower-tier network devices and providing connectivity toward the northbound WAN edge. End-user access and policy enforcement belong to the access tier, while Layer 3 gateway and aggregation functions commonly belong to the distribution tier.

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