Free Implementing Cisco Application Centric Infrastructure - Advanced (DCACIA) Practice Questions

 To prevent connectivity issues for EP1 when accessing an external L3Out network, it’s essential to enable IP data plane learning for the VRF and unicast routing in BD-BD2. IPdata plane learning allows dynamic endpoint learning within a VRF, ensuring accurate forwarding information for EP1. Unicast routing enables packet routing based on destination IP, facilitating proper traffic routing through the gateway.

References := Implementing Cisco Application Centric Infrastructure Official Cert Guide

 To establish intra-VRF communication between two EPGs deployed across different sites with different bridge domains, stretching the bridge domain and EPG components is necessary. Option D, “bridge domain,” and Option E, “EPG,” must be configured as stretched to facilitate communication across different sites within the same VR

F.  

For a new Cisco ACI Multi-Site Orchestrator (MSO) node to join an MSO cluster and ensure IP connectivity, it requires connectivity to the Cisco Application Policy Infrastructure Controllers (APICs) over the Out-of-Band (OOB) management network and the management IP of ESXi hosts where the controllers are deployed. The OOB management network allows the MSO node to communicate with the APICs for centralized management and policy control, while the management IP of the ESXi hosts provides the necessary connectivity for the virtual machine infrastructure where the MSO node is deployed123.

References := Cisco ACI Multi-Site Architecture White Paper, Cisco Multi-Site Deployment Guide for ACI Fabrics, ACI Multi-Site Architecture and Deployment - Cisco.

 To enable inter-VRF communication, one must configure settings that allow subnets to be advertised externally and establish contract interfaces between VRFs. Option B, “Enable Advertise Externally under the subnet scope,” allows subnets to be advertised outside their home VRFs. Option E, “Export the contract and import as a contract interface,” enables communication between different VRFs by creating an exportedcontract from one VRF that can be imported into another as an interface contract. References := Implementing Cisco Application Centric Infrastructure Official Cert Guide