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Cisco CCIE Enterprise Infrastructure ✓ Updated May 2026

Cisco Implementing Cisco Enterprise Network Core Technologies

Exam Code: 350-401
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About the 350-401 Exam

The Cisco 350-401 exam, officially titled Implementing Cisco Enterprise Network Core Technologies, is a foundational requirement for achieving the CCIE Enterprise Infrastructure certification. This rigorous assessment validates a candidate's ability to implement and operate core enterprise network technologies, including dual-stack (IPv4 and IPv6) architecture, virtualization, infrastructure, network assurance, security, and automation. As a core component of the CCNP and CCIE Enterprise tracks, this exam ensures professionals possess the hands-on skills required to manage complex, modern networks in real-world environments, such as large-scale enterprise campuses, branch offices, and WAN deployments.

Designed for senior engineers and architects, the 350-401 exam tests deep technical knowledge in areas like Layer 2 and Layer 3 technologies, VPN services, and network programmability. Candidates must demonstrate proficiency in configuring Cisco devices, troubleshooting advanced protocols (e.g., OSPF, EIGRP, BGP), and implementing automation tools like Ansible and REST APIs. This exam is critical for IT professionals aiming to validate their expertise in Cisco's enterprise solutions, as it directly supports the evolving demands of software-defined networking (SDN) and intent-based networking (IBN).

Why does the 350-401 matter in the industry? It aligns with Cisco's strategic shift toward automation and programmable infrastructure, making it essential for roles like network architects and senior engineers. By passing this exam, professionals prove they can design scalable, secure networks that support digital transformation initiatives. With enterprises increasingly adopting cloud, IoT, and AI-driven operations, the skills validated by this exam—such as network assurance and virtualization—are in high demand. It serves as a benchmark for technical excellence in Cisco environments, boosting career prospects and organizational credibility.

Who Should Take the 350-401 Exam?

The 350-401 exam is ideal for network engineers, architects, and administrators who have at least 3-5 years of experience in enterprise networking. Candidates should possess a solid understanding of Cisco IOS, routing and switching fundamentals, and basic network security. Prerequisites include CCNA-level knowledge or equivalent experience, though no formal prerequisites are required. This exam is targeted at professionals pursuing CCIE Enterprise Infrastructure or CCNP Enterprise certifications, as well as those seeking to validate advanced skills in core enterprise network technologies.

Topics Covered in 350-401

📊
Network architecture and design principles (dual-stack, SDN)
📜
Layer 2 technologies (VLAN, STP, EtherChannel, VTP)
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Layer 3 routing protocols (OSPF, EIGRP, BGP, redistribution)
🛡️
VPN and WAN technologies (DMVPN, MPLS, IPsec)
🏗️
Infrastructure security (ACLs, CoPP, 802.1X, TrustSec)
🔧
Network assurance (SNMP, NetFlow, IP SLA, DNA Center)
⚖️
Virtualization (VRF, VSS, VPC, device virtualization)
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Automation and programmability (Ansible, REST APIs, Python, NETCONF)

Preparation Tips for 350-401

Focus on hands-on practice with Cisco IOS and IOS-XE devices using lab simulators like EVE-NG or Cisco Modeling Labs to reinforce routing, switching, and automation concepts.
Master the exam blueprint by reviewing Cisco's official 350-401 topics list, prioritizing areas like SDN, network assurance, and automation, which often have lower pass rates.
Leverage Cisco's official documentation and white papers for deep dives into protocols like BGP and OSPF, especially redistribution and path selection scenarios.
Practice with automation tools like Ansible, Python, and REST APIs by building simple playbooks and scripts to manage network devices, as this is a key exam domain.
Join study groups or forums like Cisco Learning Network to discuss complex topics such as DMVPN and QoS, and review sample questions to identify knowledge gaps.
Allocate at least 6-8 weeks of dedicated study time, combining theory with lab exercises, and take timed practice tests to build exam stamina and time management.

Frequently Asked Questions — 350-401

What is the passing score for the Cisco 350-401 exam?

The passing score for the 350-401 exam is not publicly disclosed by Cisco, as it varies based on exam difficulty and statistical analysis. However, typically scores range from 300 to 1000, with a passing threshold around 825-850. Cisco recommends focusing on thorough preparation across all domains rather than targeting a specific score, as the exam adapts to your performance. Candidates should aim for a strong understanding of all topics, especially automation and assurance, which are weighted heavily.

How many questions are on the 350-401 exam?

The Cisco 350-401 exam typically contains 90-110 questions, which include multiple-choice, drag-and-drop, simulation, and testlet formats. The exact number can vary, as Cisco uses adaptive question pools. You have 120 minutes to complete the exam, so time management is crucial. The 380 practice Q&A available for this exam cover a wide range of possible question types, helping you prepare for the real exam's format and complexity.

What are the recertification requirements for the 350-401 exam?

The 350-401 exam is valid for three years from the date of passing. To recertify, you must pass any one of the following: the 350-401 exam again, a higher-level CCIE lab exam, or a recertification exam like the 300-410 ENARSI. Alternatively, earning Continuing Education (CE) credits through Cisco's program can extend your certification. It's important to plan recertification early, as the exam content evolves with new technologies like SD-Access and DNA Center.

How many questions are in the ExamsTree 350-401 study guide?
The ExamsTree 350-401 PDF study guide contains 380+ practice questions with detailed answer explanations, all mapped to the official Cisco exam objectives.

Why Choose ExamsTree?

ExamsTree 350-401 Study Guide is developed by experienced certification professionals with deep knowledge of Cisco technologies. Our team thoroughly researches each exam domain to provide comprehensive, accurate coverage.

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Exam Details
Vendor Cisco
Questions 380+
Format PDF
Updated 5/24/2026
Cert CCIE Enterprise Infrastructure
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