ACE Professional study materials
ACE Professional study resources

ACE Professional case studies

ACE Professional · Put your knowledge to work in context.

The ACE Professional credential - the Arista Certified Engineer Professional - is a professional-level certification for network engineers who design, operate, and troubleshoot modern data center and campus networks built on Arista's cloud networking portfolio. It is aimed at practitioners with hands-on experience who want to validate depth beyond entry-level configuration: engineers moving into design roles, consultants scoping cloud and campus migrations, and operators responsible for routing scale, automation, and telemetry-driven visibility. The ACE Professional case studies are 4 cases and about 2,553 words.

1

Hub-and-Spoke Migration with Asymmetric Return Paths

A retail company runs 40 branch sites, each with a 100 Mbps MPLS circuit to a regional hub and an unused 500 Mbps internet link. The design team wants to move to a Cisco SD-WAN overlay with direct internet access at branches, keeping a hub-and-spoke policy for PCI-scoped traffic.

657 words, about 3 min
2

BGP Route Reflector Redundancy During a Data Center Fabric Upgrade

A financial services firm operates a data center fabric of 24 leaf switches and 4 spine switches running eBGP underlay with iBGP overlay. Two route reflectors (RRs) serve the overlay; both are virtual machines on the same hypervisor host.

648 words, about 3 min
3

Cognitive Campus Workspace Rollout in a Mixed-Device Hospital

A 600-bed hospital is deploying a cognitive campus workspace across 12 floors. Requirements: clinical staff roam between floors with voice-over-Wi-Fi badges and tablets; guest Wi-Fi is separate; medical device VLANs must be isolated; and the security team wants identity-based access rather than PSK.

644 words, about 3 min
4

Telemetry Pipeline Overload After Full-Flow Export

A media streaming company enabled full NetFlow export on all 300 routers and switches to improve observability. Within a week, the collector cluster (3 nodes, 16 cores each) is dropping 40 percent of flow records, dashboards lag by 15 minutes, and the network operations team has stopped trusting the data.

604 words, about 3 min