JN0-1103: Design, Associate (JNCIA-Design)Demo

By Juniper · Question Mode

QuestionQ20

Data Center Network Design

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Following a series of outages in an existing network, you are asked to analyze the data center network shown in the exhibit and provide resiliency recommendations.

Which improvement should you recommend to eliminate management-plane single points of failure in this scenario?

  • A Configure ESI-LAG on the spines facing the leafs.
  • B Replace the Virtual Chassis with ESI-LAG from the leafs facing the servers.
  • C Configure a Virtual Chassis between the spines.
  • D Replace the Virtual Chassis with VRRP configured on the servers.
Explanation

A Virtual Chassis between the spine switches supplies redundant Routing Engine roles for the shared chassis management and control functions, so loss of the primary member can be handled by the backup. ESI-LAG and server LAG designs provide multihomed forwarding connectivity, and VRRP provides first-hop gateway redundancy; neither removes a spine management-plane single point of failure.

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