Cisco Automating and Programming Cisco Enterprise Solutions (300‑435 ENAUTO) Practice Exams

About the Cisco 300-435 ENAUTO exam

Exam at a glance

Professional tier. Cisco's CCNP Enterprise Concentration exam for network engineers extending into automation. 55-65 questions, 90 minutes, variable passing score, $300 USD. Valid 3 years via the Cisco Continuing Education (CE) program.

Domain weighting

• Network Automation Foundation — 10%
• Device-Level Network Automation — 25%
• Controller-Based Network Automation — 30%
• Operations — 20%
• AI in Automation — 15%

Who it's for

ENAUTO 300-435 is built for network engineers extending into automation. Candidates typically already know enterprise routing, switching, and SD-WAN concepts at the CCNP level and want to drive that infrastructure from code rather than CLI.

Prerequisites

No formal prereqs, but Cisco recommends 3-5 years of enterprise networking experience plus a working knowledge of Python, Git, JSON/YAML, and REST APIs. Most candidates pass 200-901 CCNAAUTO first to build the programmability fundamentals, then move to ENAUTO.

Why take this certification

• Completes CCNP Enterprise. Pair 300-435 ENAUTO with 350-401 ENCOR to earn the full CCNP Enterprise certification — Cisco's flagship Professional credential.
• Earns a DevNet Specialist badge on its own. Passing ENAUTO alone earns the Cisco Certified DevNet Specialist - Enterprise Automation and Programmability badge, useful for hybrid network-automation roles.
• Production-grade automation skills. ENAUTO tests Cisco-specific automation patterns you'll actually use on the job — DNA Center Intent API, SD-WAN vManage REST API, Meraki Dashboard API, IOS XE NETCONF/RESTCONF/gNMI with YANG models.
• Salary leverage. Network engineers who can automate Cisco infrastructure command a premium over CLI-only operators, particularly at large enterprises running DNA Center or SD-WAN at scale.

What you'll learn in the 300-435 ENAUTO exam

ENAUTO validates that you can automate Cisco Enterprise infrastructure using APIs, data models, and modern toolchains. The exam is hands-on in spirit — most questions ask you to read or complete a Python snippet, recognize a YANG model interaction, or pick the correct platform API call for a given automation outcome.

Core toolchain you'll be tested on

• Python network libraries: Netmiko (SSH automation against legacy devices), NAPALM (multi-vendor abstraction), ncclient (NETCONF client), and the standard requests library for REST APIs.
• YANG models: reading and traversing YANG hierarchies, pyang for model inspection, vendor-native vs OpenConfig vs IETF model differences.
• Programmability protocols: NETCONF (XML over SSH), RESTCONF (HTTP over JSON/XML), and gNMI (gRPC-based streaming telemetry) for IOS XE configuration and operational state retrieval.
• REST APIs to Cisco platforms: Cisco DNA Center Intent API, Cisco SD-WAN vManage API, Cisco Meraki Dashboard API, and Cisco ACI APIC REST.
• Ansible Cisco modules: ios, iosxr, nxos, and asa collections; idempotency patterns; using Ansible against DNA Center and Meraki.
• Postman: building collections, environments, and variable chains to test Cisco platform APIs before automating.
• Git workflows for network code: branching strategies, pull requests, and integrating Git with CI runners to enable safe rollback of network changes.
• JSON/YAML config parsing: serializing and deserializing config payloads, Jinja2 templating for device config generation.

Automation patterns you'll need to recognize

• Calling Cisco DNA Center Intent API for site, device, and template management.
• Pushing policy via Cisco SD-WAN vManage REST API and reading the resulting operational status.
• Provisioning Meraki networks, SSIDs, and clients via the Dashboard API.
• Editing IOS XE running config via NETCONF edit-config with proper datastore selection (candidate vs running).
• Streaming gNMI telemetry into a collector for observability pipelines.
• Using Ansible playbooks to drive idempotent Cisco config changes across a device inventory.
• Wrapping platform-API calls in Python error-handling and retry logic for production reliability.

How the practice exams help

Each free question and every premium exam mirrors the code-snippet and platform-API question style Cisco uses on ENAUTO — short stem, four to six plausible options, one or two correct, with detailed explanations covering not just why the right answer is right but why each distractor fails. You learn the trade-offs between NETCONF vs RESTCONF vs gNMI, when to reach for Netmiko vs NAPALM, and how Cisco's platform APIs differ in idiom.

How to prepare for the 300-435 ENAUTO exam

A successful ENAUTO preparation strategy combines theoretical study with deep hands-on lab time on Cisco DevNet's free sandboxes. Recommended approach:

1. Build the programmability foundation (3-4 weeks). Review the official 300-435 ENAUTO exam topics and shore up Python (loops, functions, requests, JSON parsing), Git workflows, and REST API mechanics. If you have not passed 200-901 CCNAAUTO yet, walk through its blueprint as well — ENAUTO assumes CCNAAUTO fluency.
2. Hands-on Cisco DevNet labs (4-6 weeks). Spin up the free Cisco DevNet sandboxes for DNA Center, SD-WAN, Meraki, and IOS XE Programmability. Write working Python against the Intent API, vManage REST, Meraki Dashboard, and NETCONF/RESTCONF/gNMI. Hands-on practice with the actual platforms is the single highest-leverage prep activity for ENAUTO.
3. Study the Cisco Press ENAUTO guide (2-3 weeks). Work through the Cisco Press Implementing Automation for Cisco Enterprise Solutions (ENAUTO 300-435) Official Cert Guide. It mirrors the blueprint chapter-by-chapter and is widely considered the canonical study text for the exam.
4. Practice exams (2-3 weeks). Take timed practice tests to identify weak areas — most candidates underestimate either YANG modeling or SD-WAN vManage API depth. Detailed explanations on every answer option help you learn the reasoning, not just memorize answers. Aim for consistent 80%+ scores before scheduling your exam.

Recommended timeline

12-16 weeks of focused study (8-12 hours per week) for network engineers with some Python background. Engineers new to programmability should plan 16-20 weeks and consider passing 200-901 CCNAAUTO first.

Official resources

Download the official 300-435 ENAUTO exam topics from the Cisco Learning Network. Cisco's DevNet learning portal hosts free hands-on labs for every Cisco platform tested by ENAUTO — DNA Center, SD-WAN, Meraki, and IOS XE Programmability. The Cisco Press Implementing Automation for Cisco Enterprise Solutions (ENAUTO 300-435) Official Cert Guide is the canonical study text.

Frequently asked questions