ACE: L3 (Cloud Engineer: Level 3)

Exam format

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ACE: L3 (Cloud Engineer: Level 3) Exam Format

ACE-L3

Everything the official exam blueprint specifies: question count, time limit, scoring and the weight each domain carries. The Arista ACE L3: Cloud Engineer certification is the pinnacle of Arista's certification track, designed for elite network professionals aiming to demonstrate mastery of cloud-scale data center networking. This exam validates deep knowledge of Arista EOS architecture, EVPN/VXLAN overlays, automation frameworks, and advanced troubleshooting. Candidates must prove their ability to architect and operate large-scale, resilient, multi-tenant cloud infrastructure leveraging Arista's CloudVision platform and programmable EOS APIs. This credential is recognized as a top-tier badge for network architects and senior engineers seeking roles in hyper-scale cloud providers and large enterprise environments.

125 questions
135 min
80% to pass
5 domains

Exam facts at a glance

What we know about this exam, and where the information comes from.

SpecificationValue
Questions125
Time limit135 minutes (65s per question)
Passing score80%
Domains5
LevelExpert
Question bank here125 questions
SourceCertilum's own record — the vendor does not publish this figure

Official domain weights

The percentage of the exam each domain carries. Weight your revision by these numbers, not by what you find hardest.

DomainWeightTopicsPractice Qs
Automation and Orchestration20%
  • EOS automation with eAPI and RESTCONF
  • CloudVision provisioning and change management
  • Ansible, Terraform, and Python integration with Arista switches
  • +2 more
25
Cloud Data Center Architecture25%
  • CloudVision platform architecture
  • Spine-Leaf design principles
  • Multi-site data center connectivity
  • +2 more
31
Overlay Networking with EVPN/VXLAN30%
  • EVPN control plane operation (Type-1 to Type-5 routes)
  • VXLAN bridging and routing configurations
  • L2/L3 extension and multi-pod deployments
  • +3 more
42
Cloud Network Services and Security15%
  • Cloud-grade service chaining and L4-L7 insertion
  • Micro-segmentation with Arista MSS-G
  • Policy-based forwarding and ACLs
  • +2 more
19
Advanced Troubleshooting and Operations10%
  • Telemetry and streaming analytics with CloudVision
  • Advanced packet walks, tcpdump, and mirroring
  • EOS event-handler scripting
  • +2 more
8

The heaviest domain is Automation and Orchestration at 20%, and that is where lost points cost you the most. Certilum scores you per domain so you can see the difference between a knowledge gap and a formatting problem.

Note from the vendor record: Official exam SKU price in Arista Academy (all exams by track). The CORE ACE:L1-L7 levels have been migrated to the track program (Associate/Specialist/Professional/Expert); regional pricing may vary. The Expert exam requires a prior 4-hour pre-qualification exam. ACE:L3 corresponds to the Specialist/Professional level of the Data Center or Campus track. Official exam page

More about the ACE: L3 (Cloud Engineer: Level 3) exam

Explore the rest of this page series: format, cost, difficulty, requirements and how to prepare.

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Frequently asked questions

Everything you need to know about the ACE: L3 (Cloud Engineer: Level 3) exam.