Comparing Cisco DevNet and JNCIA-DevOps: Which Is Tougher?
In today’s rapidly evolving IT world, automation and programmability have transformed how networks are built, operated, and managed. With the growth of DevOps practices across the networking domain, certification programs such as Cisco DevNet and Juniper JNCIA-DevOps are designed to equip professionals with the necessary skills to thrive in these hybrid roles. This part focuses on introducing the DevOps landscape within Cisco and Juniper, offering insights into their respective certifications, core differences, and foundational knowledge areas.
DevOps, a blend of software development (Dev) and IT operations (Ops), has traditionally focused on application development environments. However, its principles are increasingly being applied to network operations. This includes using version control, automation tools, and continuous integration/continuous deployment (CI/CD) pipelines to manage network infrastructure as code. The goal is to bring speed, consistency, and reliability to network provisioning, monitoring, and configuration.
Networking DevOps incorporates a range of technologies and tools such as APIs, Python scripting, automation platforms like Ansible and Terraform, containerization through Docker or Kubernetes, and configuration frameworks that allow dynamic management of network states. The integration of these tools helps streamline network operations, reduce manual configuration errors, and support the agile delivery of services.
As businesses demand faster and more reliable digital services, network engineers are expected to be familiar with these tools. This is where certifications like Cisco DevNet and Juniper JNCIA-DevOps play a critical role.
The Cisco DevNet Associate certification, also known by its exam code 200-901 DEVASC, is the entry-level credential in Cisco’s DevNet certification track. It is designed for network engineers, software developers, and DevOps professionals who want to demonstrate their ability to automate and program Cisco network environments.
This certification bridges the traditional gap between networking and software development. Candidates are expected to understand both the infrastructure and the code. The exam includes topics such as
What makes DevNet Associate unique is its breadth. It not only tests on Cisco platforms but also on foundational programming and development skills. The role of Python is particularly prominent throughout the curriculum.
The Juniper JNCIA-DevOps certification (JN0-220) is part of Juniper’s network automation and DevOps certification track. It focuses on the application of DevOps principles within the context of Juniper’s Junos OS. While it is also an associate-level certification, it has a more specific and narrower scope than Cisco’s DevNet.
JNCIA-DevOps is targeted toward:
The exam includes topics such as
The emphasis is on automation tools and the operational side of implementing DevOps in networks, particularly in Junos environments.
While both certifications serve similar goals, they diverge in scope, technical depth, and application focus.
Automation has become essential in today’s IT environments. It reduces errors, accelerates deployment, improves consistency, and increases network reliability. Both Cisco and Juniper recognize this shift and have designed their certifications to meet this demand.
Cisco emphasizes a developer-centric approach where automation is closely tied to application logic, APIs, and full-stack development. DevNet certifications promote integration between the application layer and infrastructure.
Juniper takes a more configuration-driven approach, optimizing its certifications for those managing the day-to-day operations of large-scale Junos networks. Here, the focus is on automating repetitive tasks and enabling scale across devices.
Regardless of the vendor, the demand for professionals who understand both network infrastructure and automation tools is growing rapidly. These professionals bridge the gap between traditional operations and agile, DevOps-style management.
Both Cisco DevNet and JNCIA-DevOps assume some foundational understanding of networking and programming. While neither requires formal prerequisites, candidates will benefit from knowledge of:
The ability to write scripts that interact with devices or APIs, parse data, and automate workflows is a common skill that both certifications aim to validate.
The decision between Cisco DevNet Associate and JNCIA-DevOps depends largely on your current environment, career goals, and comfort level with programming.
Choose DevNet Associate if:
Choose JNCIA-DevOps if:
In both cases, hands-on experience and lab practice are key to success.
The Cisco DevNet Associate certification, represented by the 200-901 DEVASC exam, is Cisco’s flagship offering for professionals at the intersection of networking and software development. This part explores the core components of the DevNet Associate exam, its structure, topic breakdown, and how to effectively prepare for it using a hands-on, structured approach.
As enterprises evolve into digital-first organizations, traditional network roles are also transforming. Engineers are now expected to manage infrastructure using code, interact with APIs, and deploy scalable applications across hybrid environments. The Cisco DevNet Associate exam validates your ability to build and maintain applications that run on Cisco platforms while automating network workflows using modern development tools and techniques.
This certification serves as the foundation for the broader Cisco DevNet certification track, which includes specialist, professional, and expert-level paths. It is suitable for developers, DevOps engineers, automation specialists, and networking professionals who are expanding their skill sets to include programmability and automation.
There are no formal prerequisites for the exam, making it accessible to anyone interested in network programmability. However, having some experience with Python programming, basic networking concepts, and working knowledge of Cisco platforms is highly recommended.
The 200-901 DEVASC exam is divided into six major domains. Each domain is weighted differently and reflects a core competency expected of a DevNet Associate.
This domain focuses on software engineering principles that form the foundation of automated infrastructure and applications.
Key topics include:
Candidates are expected to understand how software is structured, how to manage source code, and how to test and package applications. This ensures a baseline understanding of development workflows that integrate with network automation.
APIs are at the core of automation. This domain tests your ability to interact with RESTful APIs and handle data exchanges.
Topics include:
Hands-on practice using tools like Postman and Python’s requests library will help you master this area. It’s important to not only read API documentation but to build scripts that consume APIs and interpret the results.
This section focuses on Cisco’s programmable platforms and how to use APIs to interact with them.
Platforms covered include:
You’ll need to understand how to query device status, apply configurations, and automate workflows across these platforms using platform-specific APIs. Cisco’s DevNet Sandbox is a great place to get hands-on experience with these technologies.
DevNet engineers are expected to understand how applications are deployed and secured in cloud-native and on-prem environments.
Key concepts:
Although the exam does not require deep knowledge of Kubernetes or cloud platforms, candidates should understand how containers are built and deployed and how applications are secured in transit and at rest.
This domain covers network automation and configuration management using scripting and orchestration tools.
Topics include:
You should be comfortable automating routine tasks such as configuring devices, gathering operational data, and deploying configurations across multiple systems. Knowing when to use different automation methods is key.
Although this is a developer-focused certification, basic networking knowledge is still necessary.
Topics include:
This section ensures that developers and automation professionals understand the networks their applications run on. You should be able to read a network topology, troubleshoot connectivity, and interpret routing behavior.
While studying theory is important, practical experience is what sets successful candidates apart. The best way to prepare for the DevNet Associate exam is by following a structured hands-on study plan.
Cisco offers free online learning modules that align with the DEVASC blueprint. These modules are interactive and include video tutorials, labs, and quizzes. Topics range from Python fundamentals to working with Cisco APIs.
Use this portal to structure your study sessions around each domain. Begin with software development basics and move toward more advanced topics like API integrations and automation workflows.
Python is central to the DevNet exam. You should be able to write scripts that:
If you’re new to Python, start with online courses that focus on networking or DevOps automation. Write small scripts daily and gradually build toward more complex automation tasks.
Learn to use Postman to make API calls and examine responses. Then, replicate the same calls in Python. For example, retrieve a list of network devices from Cisco DNA Center’s API and display the device statuses in a formatted output.
Understanding the structure of REST APIs, how to pass headers, manage authentication, and interpret response codes is a core skill that appears throughout the exam.
Set up a virtual lab using Cisco’s DevNet Sandbox, which offers pre-configured environments for:
Use these sandboxes to write and test scripts, interact with APIs, and simulate real-world scenarios.
You’ll be expected to understand Git basics such as:
Practice using GitHub or GitLab to host your code and collaborate on small projects. Understanding how to manage code in a shared environment is critical in automation teams.
Install Docker on your local machine and build basic containerized applications. Understand how to:
This knowledge supports questions on application deployment and hosting environments.
The Juniper JNCIA-DevOps certification (JN0-220) is designed to equip network engineers and DevOps professionals with the skills to automate, configure, and manage network operations within Junos-based environments. This part of the guide focuses on understanding the structure of the JNCIA-DevOps exam, the tools and technologies it covers, and how to effectively prepare using hands-on methods tailored to the Juniper ecosystem.
As networks grow in complexity and scale, automation has become a necessity rather than a luxury. Juniper Networks has recognized this need by offering the JNCIA-DevOps certification, which validates foundational knowledge of DevOps principles as applied to Junos OS. Unlike broader certifications, JNCIA-DevOps is tightly focused on Juniper platforms, making it ideal for professionals working in environments built around Junos-based devices.
This certification emphasizes automation using native Junos tools and widely used frameworks like Ansible and Python’s PyEZ. It is suitable for:
There are no prerequisites, but candidates benefit greatly from previous exposure to Junos-based devices and network automation workflows.
The JNCIA-DevOps exam is structured around several key topics that align with real-world automation tasks. While less broad than the Cisco DevNet exam, it offers deep and practical knowledge relevant to Junos environments.
This section tests your knowledge of the Junos OS automation model. Juniper’s approach includes:
Understanding the layered architecture—CLI, XML API, and NETCONF—is key to comprehending how Junos enables automated workflows.
Modern automation tools rely heavily on structured data formats. The exam requires you to distinguish between and work with
You should be comfortable interpreting and creating simple files in these formats, understanding hierarchies, and using them in automation scenarios.
The practical application of automation is a key focus area. Candidates must demonstrate:
PyEZ is Juniper’s Python library for device management. You’ll need to know how to establish a connection, retrieve device info, and push configuration using this tool.
This section assesses your ability to interact with Juniper devices through programmatic interfaces:
This includes interpreting responses and using API endpoints effectively. Practical experience in sending API requests and parsing responses is essential for success in this domain.
Version control is essential in any DevOps role. JNCIA-DevOps includes topics on:
This section ensures that candidates understand not only the technical skills but also the cultural and procedural changes DevOps introduces to network operations.
While the JNCIA-DevOps certification is more specialized than Cisco DevNet, it still requires disciplined and structured preparation. Here is a step-by-step approach to mastering the exam content.
Start by downloading the official exam blueprint from Juniper’s certification site. The blueprint outlines the exact topics you’ll be tested on and helps you identify strengths and weaknesses. Divide topics into categories:
This classification helps in allocating your time efficiently.
Experience with real or simulated Junos devices is critical. Use one of the following options:
Practice activities should include:
Set up various lab scenarios to simulate device provisioning, configuration backup, and system monitoring.
Juniper’s PyEZ library is central to the automation workflow in Junos environments. You should:
Examples of tasks include pulling the interface table, rebooting a device remotely, and deploying a configuration snippet to multiple routers.
Ansible is a declarative automation tool that integrates well with Junos devices using junos_* modules. Key practice points include:
Make sure you can run playbooks, interpret output, and debug errors. Understanding the structure of the playbooks and variables is critical.
Structured data handling is tested in the exam and is necessary for writing automation scripts. You should:
Visualizing the hierarchy and nesting of data is essential for understanding both configuration files and device responses.
Explore and practice with Junos’ native automation features:
Although SLAX is being phased out in favor of Python, familiarity with its logic and syntax can help you better understand older automation implementations in production networks.
To prepare effectively, you’ll need a set of tools and platforms that simulate real-world usage:
Documentation from Juniper is also very detailed and helpful. Use the Junos OS Automation Guide and the PyEZ documentation as your technical references.
Consistency is key. Study 1–2 hours per day with a strong focus on applying what you learn in a lab environment.
Practice with use-case-driven examples helps you move beyond memorization to true problem-solving skills.
Now that we’ve explored the structure, topics, and preparation strategies for both the Cisco DevNet Associate and Juniper JNCIA-DevOps certifications, this final part focuses on comparing the two across several key dimensions. This comparison will help you decide which certification path better aligns with your goals, experience, and the demands of your professional environment.
When evaluating difficulty, one of the first distinctions between Cisco DevNet Associate and Juniper JNCIA-DevOps is the scope of topics each exam covers. While both certifications serve as entry points to network automation and DevOps principles, they do so with differing emphases.
Cisco DevNet Associate:
Juniper JNCIA-DevOps:
The Cisco DevNet exam requires a broader understanding of both application-layer development and network fundamentals. This wider scope can make the DevNet Associate feel more difficult, especially for candidates who lack prior software development experience.
JNCIA-DevOps, while still challenging, remains tightly aligned with network automation use cases and has fewer questions on application development or cloud deployment models. This narrower focus can make the exam more approachable for network engineers without a programming background.
Programming is a critical differentiator between these certifications. Both demand some familiarity with automation tools and scripting, but the depth of coding knowledge expected varies.
Cisco DevNet Associate:
Juniper JNCIA-DevOps:
For someone with prior experience in development, Cisco DevNet will feel more natural and may even offer an opportunity to leverage existing knowledge in a networking context. For those from a traditional networking background, JNCIA-DevOps serves as a more gradual transition into automation.
Another key factor when choosing between these certifications is the vendor ecosystem you operate in.
Cisco DevNet Associate:
Juniper JNCIA-DevOps:
Choosing the certification that matches the tools and platforms used in your current or target job environment is a practical way to increase immediate career relevance and impact.
Both certifications are designed to validate practical skills that can be applied directly in the workplace. The key difference lies in the type of roles they best prepare you for.
DevNet Associate is ideal for:
JNCIA-DevOps is best suited for:
If your goal is to work in a broader DevOps or cloud-native environment with mixed vendors, the DevNet Associate offers greater flexibility. If you work in a Juniper-based organization or focus primarily on network operations, JNCIA-DevOps delivers more targeted value.
The study process and exam-taking experience differ due to the complexity and range of each certification.
DevNet Associate:
As organizations transition toward agile, scalable, and software-defined infrastructures, the distinction between traditional networking and software development continues to blur. The professionals who succeed in this new landscape are those who learn to automate, script, and build programmable systems. Certifications like Cisco DevNet Associate and Juniper JNCIA-DevOps offer structured, practical pathways to develop these in-demand skills.
The Cisco DevNet Associate certification represents a broader and more development-heavy approach. It prepares individuals to interact with Cisco platforms through APIs, build automation workflows, and work across application development, deployment, and infrastructure management. For those who aim to work in cloud-native environments, integrate with CI/CD pipelines, or take on DevOps roles with a strong Cisco presence, this certification opens many doors.
In contrast, the Juniper JNCIA-DevOps certification is narrower in focus but more grounded in infrastructure-level automation. It targets engineers who want to automate and manage Junos-based devices using tools like Ansible and Python. The certification avoids deep dives into software development, making it ideal for network professionals who are beginning their journey into automation or working exclusively with Juniper systems.
Both certifications validate practical knowledge. They emphasize real-world tools, promote automation best practices, and support the industry’s shift away from manual, error-prone operations. Choosing between them depends on your current role, the technology stack you work with, and your long-term career goals.
If you are already comfortable with Python and working across layers of infrastructure and software, Cisco DevNet Associate offers a comprehensive route that blends software development with networking. If you prefer a more network-centric starting point and want to build up automation skills within a specific vendor ecosystem, Juniper JNCIA-DevOps is a focused and valuable option.
Both paths prepare you for the future of networking, where automation, programmability, and agility are no longer optional—they are essential. Whichever certification you choose, your willingness to adapt and learn will ensure that you stay competitive, relevant, and well-positioned in the modern IT world.
Popular posts
Recent Posts