Arista Certification Roadmap 2025: Build Your Networking Career

In the modern networking landscape, organizations demand highly skilled professionals who can design, deploy, secure, and manage enterprise and data center networks. Arista Networks has emerged as one of the most trusted vendors in this domain. Their solutions dominate high-performance cloud networking, enterprise data centers, and advanced automation practices. To validate the skills of professionals in handling Arista technologies, the company has developed a certification framework designed to measure competence in key areas such as routing, switching, automation, cloud-scale networking, and network programmability.

The Arista certification program is relatively new compared to long-established vendors, but it has gained global recognition because of its technical relevance in next-generation networking environments. The certifications are structured to help engineers progressively build expertise. The program focuses on practical knowledge and real-world scenarios rather than memorization, ensuring that certified engineers can handle production networks confidently.

Arista certifications cover both foundational and advanced topics. These include the Arista Certified Engineering Associate (ACE-A), Arista Certified Engineering Professional (ACE-P), and Arista Certified Engineering Expert (ACE-E) tracks. In addition, specialized exams exist for automation, cloud, and security contexts. Understanding the certification path is essential for any professional who wants to build credibility with employers and align their career with the demands of high-performance networking infrastructures.

Why Pursue Arista Certifications?

Networking is evolving rapidly due to the growth of cloud computing, containerized workloads, artificial intelligence, and large-scale distributed systems. Traditional skill sets around static routing and manual switch configurations are insufficient. Organizations seek engineers who can handle automation frameworks, APIs, advanced routing architectures, and software-defined approaches.

Arista certifications fill this gap by offering a structured learning and validation model. Some of the major reasons to pursue Arista certifications include:

• Industry Recognition: Enterprises adopting Arista switches and EOS (Extensible Operating System) prefer engineers with Arista-validated skills.
  
  

• Career Growth: Certified engineers often qualify for higher-level positions such as Network Engineer, Cloud Infrastructure Engineer, or Data Center Architect.
  
  

• Vendor-Specific Expertise: Arista’s unique command-line environment, automation capabilities, and CloudVision platform are unlike those of traditional vendors. Certifications validate mastery of these tools.
  
  

• Preparation for the Future: Networking is becoming software-driven. Arista exams emphasize Python scripting, APIs, and automation, helping engineers future-proof their careers.
  
  

Arista Certification Framework

The Arista certification path is divided into three main levels with additional specialty exams. These levels correspond to different career stages, starting from foundational networking knowledge and moving toward expert design and troubleshooting skills.

1. ACE-A (Arista Certified Engineering Associate)
   
   

• Entry-level certification.
  
  

• Focuses on networking fundamentals, Arista EOS, and basic configuration.
  
  

• Intended for candidates new to Arista technologies but with some general networking background.
  
  

2. ACE-P (Arista Certified Engineering Professional)
   
   

• Intermediate-level certification.
  
  

• Covers advanced configuration, routing, switching, multi-tenant networks, and automation.
  
  

• Best suited for professionals working on production environments with Arista gear.
  
  

3. ACE-E (Arista Certified Engineering Expert)
   
   

• Highest level in the program.
  
  

• Demonstrates expert-level knowledge of complex Arista deployments, troubleshooting, and architecture.
  
  

• Requires extensive practical experience and successful completion of rigorous exams.
  
  

Specialty Certifications

Alongside the core path, Arista offers specialization in areas such as Cloud, Automation, and Security. These are not mandatory for progression through ACE levels but are valuable for professionals in specific job roles. For example, automation certifications are targeted toward network automation engineers or DevNet-style professionals.

Certification Path Overview with Exam Codes

The certification path is structured to provide clarity on progression. Below are the primary exams and their identifiers:

• ACE-A (Exam Code: ACE-A1)
  Covers basics of Arista EOS, CLI, interfaces, Layer 2 switching, IP routing, and essential network design principles.
  
  

• ACE-P (Exam Code: ACE-P1)
  Introduces advanced routing protocols such as BGP, OSPF, and EVPN-VXLAN. Covers campus and data center integration, monitoring, and automation with Python.
  
  

• ACE-E (Exam Code: ACE-E1)
  An expert-level lab exam testing troubleshooting, advanced EVPN, multi-data-center interconnects, and complex automation scenarios.
  
  

• Specialty Tracks
  
  

• Automation (Exam Code: ACE-AUT1) – Focuses on Ansible, Python, and CloudVision APIs.
  
  

• Cloud (Exam Code: ACE-CLD1) – Emphasizes cloud networking design and integrations with Kubernetes and containerized workloads.
  
  

• Security (Exam Code: ACE-SEC1) – Concentrates on segmentation, firewalling, and policy-driven architecture with Arista platforms.
  
  

Exam Structure and Format

Each exam has a unique structure aligned with its complexity level:

• ACE-A (Associate)
  
  

• Format: Multiple choice, scenario-based questions.
  
  

• Duration: 90 minutes.
  
  

• Passing Score: Approximately 70%.
  
  

• Target Audience: Junior engineers, students, and professionals beginning Arista specialization.
  
  

• ACE-P (Professional)
  
  

• Format: Multiple choice, configuration tasks, simulations.
  
  

• Duration: 120 minutes.
  
  

• Passing Score: Around 70–75%.
  
  

• Target Audience: Engineers with at least 2–3 years of practical networking experience.
  
  

• ACE-E (Expert)
  
  

• Format: Hands-on lab with troubleshooting scenarios.
  
  

• Duration: 6–8 hours (lab exam).
  
  

• Passing Score: Determined by weighted scoring of tasks.
  
  

• Target Audience: Senior engineers and architects with significant data center and automation experience.
  
  

• Specialty Exams
  
  

• Format: Multiple choice and practical labs.
  
  

• Duration: 90–120 minutes.
  
  

• Target Audience: Engineers in niche roles such as DevOps, cloud operations, or network security.
  
  

Benefits of Structured Certification Path

The Arista certification framework is not just about passing exams; it is a career development roadmap. Professionals gain:

• Confidence in Practical Environments: Because exams emphasize configuration and troubleshooting, certified engineers are job-ready.
  
  

• Recognition in Job Market: Recruiters and enterprises list Arista certifications as preferred or mandatory for many networking roles.
  
  

• Technical Versatility: Exposure to routing, switching, automation, and cloud within one vendor ecosystem.
  
  

• Networking with Peers: Certified professionals often join communities that share lab environments, study resources, and career opportunities.
  
  

Preparing for the Arista Certification Path

Candidates should approach Arista certifications with a structured study plan. Preparation typically involves:

• Hands-On Practice: Setting up Arista EOS in lab environments or simulators.
  
  

• Official Study Guides: Arista provides exam blueprints and study resources.
  
  

• Community Support: Study groups and forums help candidates exchange insights.
  
  

• Practical Projects: Applying concepts in testbed environments, such as EVPN configurations or automation scripts.

Introduction to ACE-A Certification

The Arista Certified Engineering Associate or ACE-A certification is the entry-level certification within the Arista certification path. It has been designed for professionals who are beginning their journey with Arista technologies but who already possess some background knowledge of networking concepts such as IP addressing, subnetting, switching, and basic routing. The ACE-A acts as a foundation upon which higher-level Arista certifications such as ACE-P and ACE-E can be built. It is often considered the stepping stone for individuals who want to specialize in Arista environments used in data centers, campus networks, and enterprise infrastructures. The certification confirms that the candidate understands the fundamentals of networking as implemented through Arista EOS, which is the Extensible Operating System powering Arista switches and routers. Unlike other entry-level certifications that focus mainly on theoretical knowledge, ACE-A emphasizes real-world operational skills, ensuring that certified professionals can work with Arista devices in production environments.

Exam Details and Structure

The exam for ACE-A is identified by the exam code ACE-A1. The test is typically delivered in a proctored environment and can be taken either online or at a test center depending on the candidate’s location. The exam lasts approximately ninety minutes and consists of a mixture of multiple-choice questions, multiple-answer questions, and scenario-based questions that test practical knowledge rather than rote memorization. The passing score is generally around seventy percent though Arista sometimes adjusts the cut score depending on exam updates and feedback from candidates. The number of questions ranges between fifty and seventy depending on the exam version. Each question is designed to test the candidate’s ability to apply networking principles in the context of Arista technologies. Unlike higher-level exams such as ACE-E, the ACE-A does not include a lab component, but the questions are crafted in such a way that they assess configuration familiarity, troubleshooting ability, and the capacity to interpret command line outputs from Arista EOS.

Knowledge Domains Covered in ACE-A

The ACE-A certification exam covers several important knowledge areas that form the baseline of networking skills required for engineers in the Arista ecosystem. The primary focus areas are Ethernet switching, IP routing, VLANs, spanning tree, port security, static routing, dynamic routing fundamentals, basic access control lists, and an introduction to Arista EOS architecture. Candidates must also understand how to work with management interfaces, interpret logs, and perform fundamental troubleshooting. Arista places a strong emphasis on EOS because it is the platform upon which all its devices operate. EOS is Linux-based and uses a modular architecture that provides stability and flexibility. Therefore, the exam requires candidates to demonstrate comfort with navigating the EOS command line, running show commands, and analyzing configuration outputs. Another important knowledge domain within ACE-A is device management. This includes configuring management IP addresses, working with console and SSH access, and understanding the principles of secure device management. In addition, students are expected to grasp network design principles such as hierarchical network design, redundancy, and fault tolerance. Although these are covered at a fundamental level, they are crucial for setting the stage for the more advanced topics in ACE-P and ACE-E.

Recommended Experience for Candidates

While ACE-A is an entry-level certification, candidates are expected to have a background in networking fundamentals before attempting the exam. This typically includes knowledge equivalent to CompTIA Network+ or the foundational content of Cisco’s CCNA. Candidates should be comfortable with IP addressing, subnetting, the OSI model, and TCP/IP operation. Hands-on exposure to networking equipment, whether through physical labs or virtualized environments, is strongly recommended. Arista provides EOS images that can be run on virtual platforms such as VMware or KVM, allowing candidates to simulate Arista devices for practice. For those working in organizations that already use Arista gear, real-world exposure will provide a significant advantage in preparing for the exam.

Syllabus Breakdown

The ACE-A syllabus is divided into key areas that align with the topics tested in the exam. First, the syllabus introduces the candidate to Arista EOS, its architecture, and its command-line interface. The candidate is expected to understand how EOS differs from traditional vendor operating systems and how its modular architecture contributes to high availability and resilience. The second major area is Ethernet switching where candidates must understand how Ethernet works, how frames are forwarded, how MAC address tables are built, and how switches handle broadcast and multicast traffic. The third area is VLANs and trunking. Candidates must demonstrate knowledge of how VLANs segment traffic, how to configure VLANs on Arista switches, and how to implement trunking with IEEE 802.1Q. The fourth area is Spanning Tree Protocol where the basics of STP operation, loop prevention, and port roles are tested. The fifth area is IP addressing and routing which includes static routing and an introduction to dynamic routing protocols such as OSPF and BGP. The sixth area covers access control lists and basic security features. The seventh area focuses on device management, monitoring, and troubleshooting using EOS commands.

Exam Preparation Strategies

Candidates preparing for ACE-A should adopt a structured approach. The first step is reviewing the official exam blueprint provided by Arista, which outlines the knowledge areas and weightings. The second step involves building a lab environment, either physical or virtual, where EOS commands can be practiced. Since the exam is practical in nature, reading about commands is insufficient; candidates must actually configure interfaces, build VLANs, apply ACLs, and test routing scenarios. The third step is using study guides and training resources. Several vendors provide preparation courses specifically for ACE-A, which include lab exercises, practice exams, and detailed explanations of EOS features. The fourth step involves joining study groups and online communities where peers preparing for the exam share tips, troubleshooting exercises, and resources. A fifth strategy is time management during preparation. Candidates should create a timeline that allows at least six to eight weeks of study, depending on prior experience, with designated time for theory review, lab practice, and mock exams.

Importance of EOS Mastery

One of the most distinctive aspects of Arista certifications compared to other vendors is the heavy reliance on EOS. Unlike proprietary operating systems that differ widely across models, Arista ensures that EOS behaves consistently across all platforms, whether low-end switches or high-end data center devices. This consistency makes it easier for engineers to learn once and apply their knowledge universally. However, it also means that the ACE-A exam emphasizes EOS mastery from the very beginning. Candidates must be familiar with EOS CLI syntax, configuration modes, and the structure of configuration files. They must know how to use show commands to verify MAC address tables, VLAN assignments, or routing tables. Understanding EOS is also critical because higher-level exams such as ACE-P and ACE-E require deep automation knowledge, and EOS provides the underlying APIs and programmability frameworks. By mastering EOS at the associate level, candidates prepare themselves for a smoother transition into more advanced certifications.

Practical Applications of ACE-A Skills

The knowledge gained from preparing for and achieving ACE-A certification translates directly into real-world networking tasks. For instance, a network engineer working in a campus environment might be responsible for configuring VLANs for different departments, securing switch ports with MAC address filtering, and ensuring loop-free topologies through spanning tree. Similarly, in a small data center environment, the engineer might configure static routes to connect different subnets, apply basic ACLs to control access, and manage Arista switches through SSH. Troubleshooting is another area where ACE-A skills shine. By interpreting EOS command outputs, engineers can identify issues such as misconfigured VLANs, incorrect IP addressing, or faulty cabling. These practical applications highlight the importance of the certification, not just as a theoretical credential but as a validation of job-ready skills.

ACE-A Exam Challenges

While the ACE-A is an entry-level certification, it is not without its challenges. One of the main difficulties is the practical orientation of the exam. Many candidates coming from purely theoretical study backgrounds find it challenging to answer scenario-based questions that require interpreting EOS outputs. Another challenge is the time constraint. With approximately fifty to seventy questions to answer in ninety minutes, candidates must manage their time carefully to avoid getting stuck on difficult questions. Additionally, some topics such as spanning tree or access control lists can be tricky if not practiced extensively in a lab environment. Lastly, EOS familiarity is often a hurdle for candidates who have primarily worked with other vendors such as Cisco or Juniper. While the concepts are similar, the CLI syntax differs, and a lack of practice can lead to errors during the exam.

Career Benefits of ACE-A

Earning the ACE-A certification provides several career benefits. For newcomers to networking, it provides a clear entry point into the Arista ecosystem and demonstrates to employers that the candidate is serious about professional development. For experienced engineers transitioning from other vendors, it signals adaptability and a willingness to learn new platforms. Many organizations that use Arista equipment list ACE-A as a preferred or required certification for entry-level network engineering roles. Furthermore, ACE-A holders are often prioritized for internal projects involving Arista deployments. The certification also lays the foundation for career progression into ACE-P and ACE-E, which qualify candidates for senior engineering, architecture, or design roles. In a competitive job market, ACE-A certification can provide the differentiator needed to secure interviews or promotions.

Recommended Study Materials and Resources

Candidates preparing for ACE-A can use a wide variety of study materials. Official Arista study guides and blueprints are the most reliable resources since they directly reflect the exam objectives. In addition, third-party training providers often offer video courses, practice labs, and exam simulations. Virtual EOS labs, which can be deployed on personal computers using virtualization platforms, provide the best hands-on experience. Candidates should also explore Arista’s technical documentation, which is freely available and contains detailed configuration guides and command references. Study groups, forums, and professional networks provide valuable peer support. Many candidates share their preparation journeys, lab configurations, and exam feedback, which can offer insights into common pitfalls and effective study strategies.

The Arista Certified Engineering Associate or ACE-A is more than just an entry-level certification; it is the cornerstone of the entire Arista certification path. By covering fundamental networking concepts and introducing candidates to EOS, it prepares professionals for both immediate job responsibilities and long-term career growth. The exam tests practical, real-world skills, ensuring that certified individuals can contribute effectively in enterprise and data center environments. Preparation requires structured study, extensive lab practice, and an understanding of both theoretical and practical aspects of networking. Despite its challenges, the ACE-A offers immense career benefits, opening doors to roles in organizations that rely on Arista technology. With ACE-A as the foundation, candidates can confidently progress toward ACE-P and ACE-E, achieving deeper expertise and broader recognition in the networking industry.

Introduction to ACE-P Certification

The Arista Certified Engineering Professional or ACE-P certification represents the intermediate stage of the Arista certification path. Positioned above the ACE-A certification and below the ACE-E expert level, ACE-P is designed for engineers who have gained experience with Arista technologies and are prepared to handle more complex and advanced networking tasks. This certification goes beyond the fundamentals of networking and EOS to explore advanced routing protocols, VXLAN-based data center architectures, network automation, and multi-tenant designs. It is a credential that validates the candidate’s ability to implement Arista solutions in production environments where scalability, redundancy, and programmability are critical. While ACE-A demonstrates competence with basic configuration and operation, ACE-P elevates this by testing knowledge of real-world design principles, advanced troubleshooting, and integration with automation frameworks.

Exam Overview and Structure

The ACE-P certification exam carries the exam code ACE-P1. The exam is typically longer and more complex than ACE-A, requiring candidates to demonstrate their expertise through multiple-choice questions, simulation-based tasks, and configuration exercises. The exam duration is approximately 120 minutes and contains around seventy to eighty questions depending on the version of the test. The passing score is usually set between seventy and seventy-five percent. Candidates are expected to interpret outputs from EOS, design network segments according to given scenarios, and solve problems related to routing, switching, and automation. Unlike ACE-A, which is focused largely on foundational principles, ACE-P assesses the ability to design and troubleshoot larger, more complex topologies that are common in enterprise and cloud data center environments.

Recommended Candidate Profile

The target audience for ACE-P includes network engineers with at least two to three years of experience working with enterprise or data center networks, preferably with Arista devices. Candidates should already hold the ACE-A certification or possess equivalent knowledge. They should be comfortable with configuring VLANs, spanning tree, static routing, and basic dynamic routing. Additionally, candidates should have familiarity with Python scripting and basic automation tools since ACE-P introduces programmability and automation as a major domain. Engineers preparing for ACE-P are often those working in organizations that use Arista for large-scale deployments, multi-tenant environments, or cloud infrastructure.

Knowledge Domains Covered in ACE-P

The ACE-P certification exam blueprint includes several major domains. The first domain is advanced routing protocols which covers OSPF in detail, BGP fundamentals, and route redistribution between protocols. The second domain is EVPN-VXLAN, which is the backbone of modern data center fabric design. Candidates must understand how VXLAN encapsulation works, how EVPN provides control-plane learning, and how Arista devices implement VXLAN overlays. The third domain is network automation which includes Ansible, Python scripting, EOS APIs, and CloudVision. The fourth domain is multi-tenant design and segmentation, covering VRFs, tenant isolation, and policy-based forwarding. The fifth domain is monitoring and telemetry, where candidates must demonstrate knowledge of streaming telemetry, network analytics, and event monitoring in EOS. The final domain is troubleshooting, where candidates must diagnose and resolve complex scenarios involving misconfigurations, protocol failures, or hardware-related issues.

Importance of EVPN-VXLAN in ACE-P

One of the defining features of ACE-P is its focus on EVPN-VXLAN. In modern data centers, traditional VLAN-based architectures face scaling challenges due to limited VLAN IDs and inefficient flooding behavior. VXLAN extends VLANs across data center fabrics by using a 24-bit VNID, allowing millions of isolated segments. EVPN serves as the control plane for VXLAN, distributing MAC and IP information efficiently. Arista has embraced EVPN-VXLAN as the standard for data center fabrics, and ACE-P ensures that candidates thoroughly understand this technology. The exam tests concepts such as VTEPs, BGP EVPN route types, distributed versus centralized gateways, and multi-tenancy designs using EVPN. Candidates must also understand how to configure VXLAN on EOS devices and verify operation using show commands. Without a solid grasp of EVPN-VXLAN, candidates will struggle to succeed in ACE-P.

Automation and Programmability Focus

Another core theme of ACE-P is automation. Unlike ACE-A which introduces only basic EOS commands, ACE-P requires engineers to be proficient with automation frameworks. Arista provides CloudVision as its automation and orchestration platform, and this plays a significant role in the exam. Candidates must know how to deploy configurations using CloudVision, integrate automation with Ansible playbooks, and use Python scripts for repeatable tasks. The exam may also present scenarios involving EOS APIs where candidates must interpret or apply automation workflows. The reason automation is emphasized is that modern networks cannot scale with manual configuration. Organizations running hundreds or thousands of Arista switches require programmatic approaches to maintain consistency, enforce policy, and troubleshoot proactively. By incorporating automation into ACE-P, Arista ensures that certified professionals are aligned with the future of networking.

Exam Syllabus Breakdown

The syllabus for ACE-P can be broadly divided into several sections. The first section covers advanced Layer 2 and Layer 3 technologies including MLAG, advanced spanning tree features, and inter-VLAN routing. The second section focuses on OSPF and BGP, including concepts such as route summarization, filtering, and peer-group configuration. The third section addresses EVPN-VXLAN in depth, including configuration of VTEPs, distributed gateways, BGP EVPN route types, and tenant VRFs. The fourth section introduces advanced security concepts such as role-based access control, extended ACLs, and segmentation. The fifth section covers automation with CloudVision, Ansible, Python, and eAPI. The sixth section emphasizes monitoring and telemetry through streaming telemetry and EOS monitoring tools. The final section addresses troubleshooting methodologies, including how to systematically analyze EOS outputs, isolate faults, and resolve protocol mismatches.

Study Approach for ACE-P

Preparing for ACE-P requires a disciplined and structured study approach. The first step is to thoroughly review the official exam blueprint to understand the distribution of topics. The second step is to build a robust lab environment. Many candidates use Arista vEOS images running on virtualization platforms to simulate multi-switch topologies. Practice labs should include scenarios for OSPF and BGP configuration, EVPN-VXLAN overlays, MLAG, and automation workflows. The third step is to strengthen automation knowledge by writing Python scripts to automate EOS tasks, experimenting with Ansible playbooks, and using CloudVision APIs. The fourth step involves studying Arista technical documentation which is comprehensive and freely available. Reading configuration guides and white papers is invaluable for mastering EVPN-VXLAN and automation. The fifth step is to practice troubleshooting scenarios by deliberately misconfiguring labs and attempting to resolve the issues through EOS outputs. The final step is to attempt practice exams and mock questions to get comfortable with the exam format and time constraints.

Challenges in ACE-P Preparation

The ACE-P certification exam presents several challenges for candidates. One of the biggest hurdles is the complexity of EVPN-VXLAN. Many engineers new to this technology find it conceptually difficult because it merges Layer 2 and Layer 3 concepts with BGP control plane mechanics. Another challenge is automation, particularly for engineers with limited scripting experience. While basic Ansible usage can be learned quickly, mastering Python scripts and CloudVision APIs requires significant practice. Troubleshooting is another difficult domain because it requires not just theoretical knowledge but practical insight gained from lab work. Finally, time management is a common issue. With seventy to eighty questions in 120 minutes, candidates must pace themselves carefully and avoid spending excessive time on a single scenario.

Career Value of ACE-P Certification

The ACE-P certification holds significant value in the job market. Professionals who achieve ACE-P are often seen as mid-level to senior engineers capable of handling complex enterprise and data center networks. Many organizations deploying Arista gear specifically seek out ACE-P certified engineers for roles such as Network Engineer, Data Center Engineer, and Infrastructure Automation Specialist. The certification also opens doors to more advanced projects such as designing EVPN fabrics, implementing large-scale automation frameworks, and deploying Arista CloudVision in enterprise environments. Compared to ACE-A, which is largely an entry credential, ACE-P demonstrates advanced capabilities that can justify promotions, salary increases, or opportunities to lead projects. Employers view ACE-P as proof that the engineer not only understands networking theory but can also apply it to design, implementation, and troubleshooting in real-world scenarios.

Importance of Troubleshooting Skills

One of the aspects that differentiates ACE-P from ACE-A is the emphasis on troubleshooting. While ACE-A tests basic problem-solving, ACE-P requires candidates to tackle complex multi-domain issues. For example, a candidate may need to identify why an EVPN route is not being advertised, why OSPF adjacencies are failing, or why automation scripts are not pushing configurations correctly. Successful troubleshooting requires a combination of logical thinking, familiarity with EOS outputs, and an understanding of protocol behavior. By including troubleshooting as a core domain, the ACE-P exam ensures that certified engineers are capable of not just building networks but also maintaining their stability in production. This aligns with the demands of modern IT environments where downtime can have significant financial and operational consequences.

Practical Applications of ACE-P Knowledge

The knowledge gained from ACE-P certification is directly applicable to real-world engineering tasks. For instance, in a data center environment, engineers must design EVPN fabrics that allow tenant isolation and seamless workload mobility. In enterprise environments, engineers must integrate Arista solutions with existing routing architectures using OSPF and BGP. In cloud environments, engineers must use automation tools to scale infrastructure dynamically. ACE-P certified engineers are also often responsible for deploying and managing CloudVision, which serves as the central platform for automation, telemetry, and compliance. Troubleshooting skills gained during ACE-P preparation help engineers resolve issues quickly, minimizing downtime and ensuring business continuity. The certification thus equips professionals with the exact skill set that organizations need to maintain high-performance and resilient networks.

Recommended Resources for ACE-P Preparation

Candidates preparing for ACE-P should make use of a wide range of resources. The official Arista exam blueprint and study guides are the starting points. Arista’s configuration guides, white papers, and technical documentation are invaluable for understanding EVPN, VXLAN, and automation. Virtual EOS labs provide hands-on practice, and candidates are encouraged to replicate data center topologies with multiple VTEPs and VRFs. Training providers offer structured courses with lab exercises, video content, and practice exams. Books and resources on Python scripting and Ansible can also be beneficial, especially for candidates new to automation. Study groups and professional forums provide community support, where peers share lab configurations, troubleshooting exercises, and exam tips. Finally, consistent lab practice and repeated exposure to real-world scenarios remain the most effective preparation method.

Introduction to ACE-E Certification

The Arista Certified Engineering Expert or ACE-E certification represents the pinnacle of the Arista certification framework. It is the highest-level credential available and is designed for senior network engineers, architects, and specialists who have years of experience deploying and managing Arista solutions in complex enterprise and data center environments. The ACE-E is not simply another step in the progression after ACE-P; it is an advanced, rigorous certification that validates an engineer’s ability to design, implement, and troubleshoot at the highest level of technical proficiency. This certification is regarded as proof that an engineer can handle the most challenging and large-scale Arista deployments, integrating automation, multi-tenant fabrics, EVPN-VXLAN overlays, and multi-data center interconnects while also demonstrating mastery of advanced troubleshooting methodologies. Achieving ACE-E is considered a career-defining milestone, positioning certified individuals as thought leaders and technical authorities within the Arista ecosystem.

Exam Overview and Structure

The ACE-E exam is coded ACE-E1 and differs significantly from ACE-A and ACE-P in its structure and delivery. While the earlier certifications rely on multiple-choice questions, simulations, and some configuration tasks, ACE-E is structured as a practical, hands-on lab exam. Candidates must demonstrate their ability to configure, troubleshoot, and validate complex network environments using real Arista EOS devices or virtual equivalents. The exam typically runs between six and eight hours, divided into multiple sections that test different domains of expertise. These sections include initial design tasks, configuration challenges, troubleshooting labs, and practical automation exercises. Each section carries a certain weight, and scoring is based on the accuracy, completeness, and efficiency of the solutions provided by the candidate. There is no room for guesswork; the exam measures practical ability under pressure. The passing score is determined by a weighted evaluation of all sections, and it is generally set at a level that ensures only candidates with deep practical knowledge succeed.

Recommended Candidate Profile

The ideal candidate for ACE-E is an experienced professional who has worked extensively with Arista EOS and associated technologies. Most successful candidates hold ACE-A and ACE-P certifications and possess five to ten years of professional networking experience, including significant time spent in data center or cloud networking environments. They should be well-versed in EVPN-VXLAN, advanced routing, automation frameworks, and multi-tenant designs. In addition, candidates are expected to be highly proficient in troubleshooting complex network issues and familiar with scripting and automation workflows using Python, Ansible, and CloudVision. The certification is aimed at those working as senior network engineers, solutions architects, consultants, or technical leaders within enterprises, service providers, and cloud companies.

Core Domains in ACE-E

The ACE-E exam is built around several core domains that reflect the demands of modern large-scale networks. The first domain is advanced EVPN-VXLAN, which includes multi-pod and multi-site architectures, distributed gateways, and cross-data center fabrics. The second domain is advanced routing, which covers complex BGP scenarios, route reflectors, policy-based routing, and large-scale OSPF deployments. The third domain is network automation and programmability, which requires candidates to integrate EOS automation tools, Python scripting, Ansible playbooks, and CloudVision APIs to manage infrastructure efficiently. The fourth domain is security and segmentation, covering VRFs, tenant isolation, role-based access control, and advanced ACLs. The fifth domain is monitoring and telemetry, which tests the ability to use streaming telemetry, analytics, and CloudVision monitoring tools to maintain visibility across the network. The final domain is troubleshooting, which forms a major portion of the exam, requiring candidates to resolve issues quickly and accurately across multi-domain, multi-protocol environments.

Emphasis on Troubleshooting

Troubleshooting is one of the defining aspects of ACE-E and is often cited as the most challenging portion of the exam. Candidates are presented with broken topologies, misconfigured protocols, or partial outages, and they must identify and resolve the issues within strict time constraints. Success requires not only technical knowledge but also systematic problem-solving skills and the ability to prioritize under pressure. For example, a candidate might be required to troubleshoot a scenario where EVPN routes are not propagating correctly across data centers, where OSPF adjacencies are failing in a large fabric, or where automation scripts are not deploying configurations as expected. The troubleshooting tasks are designed to replicate real-world incidents, making ACE-E an authentic test of an engineer’s readiness to handle critical situations in production environments.

Exam Syllabus Breakdown

The syllabus for ACE-E is broad and deep. The first section covers advanced EVPN-VXLAN fabrics, including design and configuration of multi-site environments, tenant isolation, and inter-VRF communication. The second section addresses advanced routing protocols, focusing on BGP route reflectors, policy-based routing, and redistribution between routing domains. The third section emphasizes automation, where candidates must demonstrate the ability to deploy and manage configurations using Python scripts, Ansible playbooks, and CloudVision APIs. The fourth section covers security, including segmentation using VRFs, tenant isolation strategies, advanced ACLs, and role-based access control. The fifth section covers monitoring and telemetry, requiring candidates to configure streaming telemetry and interpret analytics outputs. The sixth and final section is troubleshooting, which integrates all the previous domains and requires candidates to resolve failures under realistic conditions.

Study and Preparation Approach

Preparing for ACE-E requires a far more intensive and structured approach than ACE-A or ACE-P. The first step is to build a robust lab environment, often involving multiple vEOS instances or physical Arista switches to replicate real-world topologies. Candidates should design labs that simulate multi-site EVPN fabrics, large-scale routing domains, and complex automation workflows. The second step is deep study of Arista’s official documentation, white papers, and design guides, which are essential for understanding best practices and architectural recommendations. The third step is developing strong troubleshooting skills by deliberately breaking lab topologies and practicing fault isolation. The fourth step involves honing automation skills, including writing custom Python scripts, creating advanced Ansible playbooks, and integrating CloudVision for automation and monitoring. The fifth step is time management practice, as the exam requires efficient use of time to complete tasks across multiple sections. Many candidates spend six months to a year preparing for ACE-E, balancing study, lab practice, and mock exams.

Challenges of the ACE-E Exam

The ACE-E certification exam is widely considered challenging even for seasoned professionals. One of the main difficulties is the sheer breadth of topics covered, from EVPN-VXLAN to automation and security. Another challenge is the time pressure, as candidates must complete complex tasks within the exam duration, leaving little room for errors. Troubleshooting tasks are particularly demanding because they require deep understanding across multiple domains and the ability to identify root causes quickly. Automation is another hurdle for many candidates, especially those who come from traditional networking backgrounds with limited scripting experience. The requirement to integrate automation tools seamlessly into the network environment can be overwhelming without extensive preparation. Finally, the physical and mental endurance required to perform under exam conditions for six to eight hours adds another layer of difficulty.

Career Benefits of ACE-E Certification

Achieving ACE-E certification is a career-transforming accomplishment. Certified professionals are recognized as experts in the Arista ecosystem and are highly sought after for senior-level positions. Roles such as Network Architect, Principal Engineer, Data Center Consultant, and Technical Director often list ACE-E as a preferred or required credential. Organizations deploying Arista solutions at scale rely heavily on ACE-E certified engineers to design and maintain their most critical infrastructures. The certification also demonstrates leadership potential, as ACE-E holders are often responsible for guiding teams, mentoring junior engineers, and leading large projects. Beyond career advancement, ACE-E also provides personal recognition and credibility within the networking community. It signals not just technical competence but also the ability to perform at the highest level under real-world conditions.

Importance of Multi-Data Center Architectures

A major focus of ACE-E is multi-data center architectures, as many enterprises and service providers operate across multiple geographic locations. EVPN-VXLAN fabrics are often extended across data centers to support workload mobility, disaster recovery, and business continuity. ACE-E requires candidates to design and troubleshoot such environments, ensuring seamless communication, tenant isolation, and redundancy. This involves deep knowledge of BGP EVPN, distributed gateways, and inter-site connectivity. Candidates must also demonstrate the ability to troubleshoot inter-data center failures, such as route leaks, incorrect encapsulations, or misaligned control-plane information. The emphasis on multi-data center architectures ensures that ACE-E certified engineers can handle the complexity of global-scale deployments.

Automation and CloudVision Mastery

Automation plays a central role in ACE-E preparation and examination. Candidates must not only be comfortable with Ansible and Python but also demonstrate mastery of CloudVision, which is Arista’s automation and monitoring platform. CloudVision enables centralized configuration management, compliance monitoring, and network analytics. In the ACE-E exam, candidates may be required to deploy configurations through CloudVision, verify compliance, and troubleshoot automation workflows. They may also need to interpret telemetry data or integrate CloudVision with external tools. Mastery of CloudVision reflects the industry’s movement toward intent-based networking and programmatic infrastructure management, making it a critical component of ACE-E.

Practical Applications of ACE-E Skills

The skills developed while preparing for ACE-E are directly applicable to real-world environments. Engineers who achieve ACE-E certification are equipped to design and deploy EVPN fabrics that span multiple data centers, ensuring scalability and resilience. They are capable of integrating automation into daily operations, reducing manual errors and increasing efficiency. They can troubleshoot complex issues involving multiple protocols, reducing downtime and maintaining service continuity. They can implement segmentation and tenant isolation strategies, ensuring security in multi-tenant environments. They can also leverage telemetry and analytics to gain deep visibility into network performance. These practical applications make ACE-E certified professionals invaluable to organizations that depend on high-performance, scalable, and secure networks.

Recommended Resources for ACE-E Preparation

Candidates preparing for ACE-E should take advantage of a wide range of resources. The most critical are Arista’s official documentation, design guides, and white papers, which provide in-depth technical explanations and best practices. Virtual labs using vEOS are essential for practicing complex scenarios, while physical labs provide additional realism. Advanced courses and boot camps offered by training providers can help candidates structure their preparation. Study groups and communities provide peer support and insights into exam challenges. Books and resources on automation tools such as Python, Ansible, and APIs are invaluable for strengthening programmability skills. Finally, extensive hands-on practice is the single most important resource, as the exam rewards practical expertise over theoretical knowledge.

Introduction to Specialty Certifications

While the core Arista certification path of ACE-A, ACE-P, and ACE-E provides a progressive roadmap for mastering Arista technologies, the certification framework also includes a set of specialty certifications. These certifications focus on niche domains that are essential in modern networking environments such as automation, cloud integration, and network security. Specialty certifications are not prerequisites for advancing to higher levels within the ACE path, but they provide targeted expertise for engineers in specific job roles. The Arista specialty tracks allow professionals to align their certifications with their career aspirations, whether that means becoming an automation engineer, a cloud networking specialist, or a security-focused network professional. The certifications are designed to reflect industry trends and demands, acknowledging that automation, cloud, and security are no longer optional but mandatory skills for networking engineers.

Overview of Specialty Exams

The specialty certifications include Arista Certified Automation Engineer, Arista Certified Cloud Engineer, and Arista Certified Security Engineer. Each certification is associated with a specific exam, and these exams are identified by codes such as ACE-AUT1 for automation, ACE-CLD1 for cloud, and ACE-SEC1 for security. Each exam lasts approximately ninety to one hundred and twenty minutes and is composed of multiple-choice questions, scenario-based simulations, and practical configuration tasks. Passing scores are generally around seventy percent, although this may vary slightly depending on the version of the exam. The exams are designed to ensure that certified professionals not only understand theoretical concepts but also possess practical, hands-on skills in their area of specialization.

Arista Automation Certification

The automation specialty certification is designed for engineers who want to specialize in network programmability and infrastructure automation. As networks scale in size and complexity, manual configuration is no longer viable, and organizations are adopting automation to ensure efficiency, consistency, and agility. The exam with the code ACE-AUT1 focuses heavily on automation tools and frameworks supported by Arista, including CloudVision, EOS APIs, Ansible, and Python scripting. Candidates are expected to understand how to automate common tasks such as device provisioning, configuration deployment, compliance monitoring, and fault remediation. They must also be able to integrate Arista’s automation tools with external systems, leveraging APIs to create programmable workflows. In addition, the exam emphasizes troubleshooting automation workflows, requiring candidates to diagnose and resolve issues with playbooks, scripts, or API calls.

Automation Knowledge Domains

The automation certification covers several critical knowledge domains. The first domain is Arista’s Extensible Operating System APIs, which include eAPI and OpenConfig, enabling programmatic access to device configurations and state information. The second domain is Python scripting, where candidates are expected to demonstrate the ability to write and execute scripts that automate configuration tasks or data collection. The third domain is Ansible automation, where candidates must create playbooks, roles, and tasks for automating EOS device management. The fourth domain is CloudVision, where candidates must demonstrate proficiency in using the platform for centralized configuration management, compliance enforcement, and telemetry. The final domain is troubleshooting automation workflows, ensuring candidates can identify errors in scripts, resolve failures in Ansible playbooks, and address issues with API calls.

Value of Automation Certification

The automation certification is highly valuable in the current job market. Organizations seek engineers who can move beyond traditional configuration methods and embrace automation to manage large-scale networks. Certified automation professionals are positioned for roles such as Network Automation Engineer, DevNet-style Engineer, Infrastructure Developer, or Cloud Network Engineer. Achieving the automation certification signals to employers that the candidate is capable of reducing operational costs, increasing efficiency, and enabling rapid deployment of services through automation. It also provides a strong foundation for more advanced certifications such as ACE-P and ACE-E, which include automation as a major domain. For individuals, the certification enhances career opportunities, provides exposure to in-demand skills, and establishes credibility as a specialist in network programmability.

Arista Cloud Certification

The cloud specialty certification, identified by the exam code ACE-CLD1, focuses on the integration of Arista technologies with cloud environments. Cloud computing has transformed the way organizations deploy applications and services, and networking engineers must understand how to design and manage networks that support hybrid and multi-cloud architectures. The cloud certification ensures that engineers have the skills to integrate Arista EOS with public cloud platforms, private cloud environments, and containerized applications. Candidates are tested on their ability to design scalable cloud networking solutions, configure connectivity between cloud and on-premises environments, and secure traffic across hybrid architectures. The certification also emphasizes Kubernetes integration, container networking, and the role of Arista’s CloudEOS in extending connectivity into cloud environments.

Cloud Knowledge Domains

The cloud certification covers several areas of expertise. The first domain is cloud networking fundamentals, including connectivity models, hybrid architectures, and VPN integration with public cloud providers. The second domain is Arista CloudEOS, where candidates must demonstrate proficiency in deploying and managing Arista’s virtual routing solution within cloud environments. The third domain is Kubernetes and container networking, where candidates must understand how Arista integrates with container orchestrators to provide scalable and secure networking for microservices-based applications. The fourth domain is multi-cloud architecture, requiring candidates to design and troubleshoot scenarios where workloads are distributed across multiple cloud providers. The final domain is automation in the cloud, where candidates must leverage Arista’s automation tools to manage configurations, enforce policy, and monitor performance across hybrid environments.

Value of Cloud Certification

The cloud certification is particularly valuable for engineers who work in organizations adopting cloud-first strategies. Certified cloud professionals are equipped to design and maintain hybrid infrastructures that extend Arista’s capabilities into the cloud. They are prepared for roles such as Cloud Network Engineer, Cloud Infrastructure Architect, or DevOps Engineer specializing in networking. The certification demonstrates expertise in modern deployment models and positions engineers to lead cloud integration projects. For organizations, hiring certified cloud professionals ensures smoother cloud adoption, reduced risk, and optimized hybrid infrastructure performance. For individuals, the certification offers career advancement in one of the fastest-growing areas of IT and networking.

Arista Security Certification

The security specialty certification, identified by the exam code ACE-SEC1, addresses the growing need for network engineers with expertise in security. In today’s digital landscape, threats are more sophisticated than ever, and networks must be designed to prevent unauthorized access, contain threats, and enforce policy consistently. The Arista security certification validates the ability to implement segmentation, apply access controls, and use Arista’s security-focused features within EOS. Candidates must demonstrate knowledge of role-based access control, ACLs, segmentation using VRFs, and integration with external security systems. The certification also covers advanced topics such as zero-trust networking principles, microsegmentation, and telemetry for threat detection.

Security Knowledge Domains

The security certification includes several key knowledge areas. The first domain is access control, including extended ACLs, port-based security, and role-based access control mechanisms in EOS. The second domain is segmentation, where candidates must design and implement VRF-based tenant isolation and policy-based forwarding. The third domain is network visibility, where telemetry and analytics are used to detect suspicious traffic patterns and enforce compliance. The fourth domain is zero-trust networking, where candidates must apply principles of least privilege, microsegmentation, and continuous authentication. The final domain is integration with external systems, where candidates must demonstrate how Arista devices can work with security appliances, firewalls, and monitoring systems to enforce consistent policy across the network.

Value of Security Certification

The security certification is critical in a world where breaches can result in massive financial and reputational damage. Certified security professionals are equipped to design secure network architectures, enforce policies, and respond effectively to incidents. They are prepared for roles such as Network Security Engineer, Security Architect, or Infrastructure Security Specialist. The certification demonstrates to employers that the candidate understands not only general security principles but also how to apply them specifically within Arista environments. For organizations, hiring certified security professionals ensures that networks are resilient against attacks and compliant with regulatory requirements. For individuals, the certification enhances career opportunities in the growing field of cybersecurity and provides specialized skills that are highly valued in the job market.

Exam Preparation Strategies for Specialty Tracks

Preparing for specialty exams requires a focused approach tailored to the domain of expertise. For automation, candidates should build labs that include scripting, Ansible playbooks, and CloudVision workflows. For cloud, candidates should practice deploying CloudEOS within public cloud providers and integrating with Kubernetes. For security, candidates should practice implementing ACLs, configuring VRFs, and monitoring telemetry for threat detection. Study resources include Arista’s official documentation, white papers, and training courses. Practical experience is critical, as specialty exams emphasize real-world scenarios. Candidates should also join study groups and online communities where peers share preparation tips, lab exercises, and practice questions. A timeline of six to eight weeks of study for each specialty exam is recommended, although this may vary depending on the candidate’s prior experience.

Career Benefits of Specialty Certifications

Specialty certifications provide targeted career benefits. Automation specialists are in demand as organizations seek to scale their networks efficiently. Cloud specialists are critical as businesses migrate workloads to hybrid and multi-cloud environments. Security specialists are indispensable as organizations face increasing threats. Each specialty certification provides recognition as an expert in a niche domain, complementing the generalist knowledge gained through ACE-A, ACE-P, and ACE-E. Certified professionals can differentiate themselves in the job market, qualify for specialized roles, and position themselves as leaders in emerging areas of networking. Organizations benefit by hiring professionals who can address their most pressing challenges in automation, cloud integration, and security.

Integration of Specialty Certifications with Core Path

While specialty certifications are not required to progress through the core ACE path, they complement the knowledge and skills gained at each level. For example, an engineer who has achieved ACE-P and also holds the automation certification is better prepared to handle large-scale deployments requiring programmability. Similarly, an ACE-E certified professional with the security certification demonstrates not only expert networking skills but also deep security expertise. Specialty certifications therefore add depth to the breadth provided by the core path, enabling engineers to tailor their career progression to specific areas of interest or organizational demand.

Conclusion 

The specialty certifications in the Arista certification path provide engineers with the opportunity to develop targeted expertise in areas that are critical to modern networking. The automation certification validates skills in programmability and infrastructure automation, preparing engineers to manage large-scale networks efficiently. The cloud certification ensures that engineers can integrate Arista technologies with cloud platforms and containerized environments, enabling hybrid and multi-cloud architectures. The security certification validates the ability to design secure network architectures, enforce policy, and respond to threats effectively. Together, these certifications provide flexibility and specialization, complementing the progression from ACE-A to ACE-P and ACE-E. For professionals, they offer career advancement, recognition, and credibility in high-demand domains. For organizations, they ensure access to specialists capable of addressing their most pressing challenges. The specialty certifications demonstrate that the Arista certification program is not only about building generalist knowledge but also about providing pathways to specialization, ensuring that networking professionals are fully equipped to meet the demands of a rapidly evolving industry.