Cisco 350-401 ENCOR (CCNP Enterprise Core): What's Actually Tested

The Cisco 350-401 ENCOR (Implementing and Operating Cisco Enterprise Network Core Technologies) is the core exam for CCNP Enterprise and doubles as the written qualifying exam for CCIE Enterprise Infrastructure and CCIE Enterprise Wireless. The exam costs $400, runs 120 minutes, has 90 to 110 questions, and requires a score of around 825 out of 1000 to pass. Cisco does not publish an official cut score, but that figure reflects consistent community consensus. Most experienced engineers need 10 to 14 weeks of focused study. The question mix is heavily scenario-based multiple choice and drag-and-drop, with far fewer hands-on simulations than CCNA. If you hold a CCNA and have worked in enterprise networks, this is the next logical credential. If you are brand new to Cisco gear, start with CCNA first.

The 90-second answer

Take 350-401 ENCOR if you are an experienced network engineer who wants to advance from CCNA to CCNP, or if your role already involves enterprise routing, switching, wireless, SD-WAN, or SD-Access. ENCOR is also the required qualifier if you are eventually targeting a CCIE lab. The credential is widely recognized by enterprise employers and represents a real knowledge step up from associate-level certs.

Skip 350-401 ENCOR if you have not yet passed CCNA 200-301 or built genuine hands-on networking experience. There are no formal prerequisites, but Cisco recommends three to five years of enterprise networking experience, and that recommendation reflects the actual question difficulty. Going in underprepared costs $400 for the first attempt and $400 again for the retake, with a five-day wait between attempts.

What does the 350-401 actually test?

ENCOR covers six domains. The current blueprint is version 1.1. Every question maps to one of these.

Domain	Weight	What it covers
Architecture	15%	Enterprise network design, high availability, wireless deployment models, Cisco SD-WAN and SD-Access fabric design
Virtualization	10%	Device virtualization (VMs, containers), data path virtualization (VRF, GRE, IPsec), network virtualization (LISP, VXLAN)
Infrastructure	30%	Layer 2 (VLANs, trunking, EtherChannel, STP), Layer 3 (OSPF, EIGRP, BGP), wireless (AP modes, WLC, roaming), IP services (NTP, NAT, DHCP, IP SLA, QoS)
Network Assurance	10%	SNMP, syslog, NetFlow/Flexible NetFlow, SPAN/RSPAN, IP SLA, Cisco DNA Center assurance, debugs and show commands
Security	20%	Device access control (AAA, TACACS+, RADIUS), CoPP, ACLs, port security, 802.1X, MACsec, wireless security
Automation	15%	Python basics, JSON, REST APIs, data models and YANG, EEM, Cisco DNA Center APIs, config management (Ansible, Puppet, Chef), SDN concepts

Infrastructure carries the highest weight at 30%, so routing protocol depth matters more here than on any other Cisco exam below the CCIE. You need to understand OSPF neighbor adjacencies, BGP path selection, EIGRP metric calculation, and STP root bridge election, not just recognize the terms.

The Architecture and Automation domains together are 30% of the exam and they reward candidates who have worked with modern enterprise designs. SD-WAN and SD-Access questions describe a fabric or a deployment scenario and ask you to identify the correct component, design decision, or troubleshooting step. These are not conceptual-only questions. You need to know how SD-WAN control plane, data plane, and management plane separate, and where Cisco DNA Center fits in SD-Access fabric design.

The Security domain at 20% is broader than most candidates expect. AAA using TACACS+ versus RADIUS is a common topic, as is CoPP (Control Plane Policing), which protects the router control plane itself. 802.1X and MACsec appear in scenario questions that mix wireless and wired access.

Automation at 15% is not optional studying. Community feedback from recent exam sittings consistently flags Python, REST APIs, and YANG data models as live on exam day. You do not need to write production Python, but you do need to read a short script and understand what it does, parse a JSON payload, and describe how a RESTCONF or NETCONF call is structured.

How hard is the 350-401?

ENCOR is a difficulty 4 out of 5. Clearly harder than CCNA 200-301, which is a 3.5, and significantly broader in scope. Cisco does not publish a pass rate, but community surveys suggest first-time pass rates are lower than CCNA, largely because the breadth and depth of six domains is genuinely demanding even for working engineers.

The hard parts are specific:

• The Infrastructure domain alone is 30% of the exam and it expects depth on three routing protocols plus wireless and QoS, not just awareness of them
• SD-WAN and SD-Access are tested at a design and troubleshooting level that many engineers have not encountered in day-to-day operations, especially those in shops that have not deployed Viptela or Catalyst Center
• Automation questions require you to read and reason about code, JSON, and API calls even if you are not primarily a programmer
• No back button. Cisco exams lock each question on submission, so a scenario you get stuck on burns time you cannot recover
• At 90 to 110 questions in 120 minutes, you average just over one minute per question. Scenario-based items that require you to work through a multi-step design problem will consume two to three minutes each if you are not prepared

The most common failure pattern is candidates who know routing and switching well but underestimate the Architecture and Automation domains. Solid OSPF and BGP knowledge is necessary but not sufficient. Someone who scored well on CCNA by memorizing show commands and protocol theory will struggle with ENCOR's SD-WAN design and Python-parsing questions.

How long should you study for 350-401?

Cisco recommends three to five years of enterprise networking experience before sitting the exam. That is not a suggestion to ignore. For actual study time:

• With 3+ years enterprise networking and CCNP-level exposure at work: 8 to 10 weeks at 10 to 15 hours per week
• With CCNA and 1 to 3 years networking experience: 12 to 14 weeks at 10 to 15 hours per week
• With CCNA and less than one year of hands-on work: 16 to 20 weeks, and seriously consider accumulating more lab and production experience before booking
• Coming from a different vendor or role type (Juniper, cloud, security): 12 to 16 weeks to ramp on Cisco-specific implementations of shared concepts

A realistic week-by-week pace for a 12-week plan looks like:

1. Week 1: Enterprise architecture fundamentals, high availability designs, SD-WAN overview (Architecture domain foundation)
2. Week 2: SD-Access fabric design, overlay and underlay, Catalyst Center role
3. Week 3: Virtualization - VRF, GRE, IPsec, LISP, VXLAN concepts and use cases
4. Week 4: Layer 2 deep dive - VLANs, trunking, EtherChannel, STP variants
5. Week 5: OSPF areas, LSA types, neighbor adjacency troubleshooting
6. Week 6: EIGRP metrics and tuning, BGP path selection, route redistribution
7. Week 7: Wireless - AP modes, WLC architecture, roaming, wireless security
8. Week 8: IP services - QoS, NTP, NAT, DHCP, IP SLA
9. Week 9: Security - AAA, TACACS+ vs RADIUS, CoPP, 802.1X, MACsec, ACLs
10. Week 10: Network Assurance - SNMP, NetFlow, SPAN, DNA Center assurance, debug and show command strategy
11. Week 11: Automation - Python basics, JSON, REST APIs, YANG, DNA Center APIs, Ansible fundamentals, EEM
12. Week 12: Full timed practice exams, review weak domains, scenario drilling

The biggest waste of study time on ENCOR is focusing almost exclusively on Infrastructure and ignoring Automation and Architecture. Many experienced engineers come in strong on routing and switching, then get blindsided by SD-WAN design questions and Python-parsing items that together account for nearly a third of the exam.

What does the 350-401 cost?

The exam itself is $400 USD plus any local taxes. That is $100 more than CCNA, and Cisco does not routinely issue discounted retake vouchers, so a failed attempt means another $400 after the mandatory five-day wait.

Component	Range	Notes
Exam fee	$400	One attempt. Retake is another $400 with a 5-day wait after a fail.
Study course	$0 to $200	Nick Russo's free materials, Cisco's own dCloud labs, or a paid Udemy course at $15 to $30 on sale
Practice questions	$0 to $60	NerdExam has 1,356 ENCOR questions if you want a free option
Lab access	$0 to $200	Cisco dCloud is free; CML Personal or EVE-NG with IOS-XE images for deeper routing scenarios
Books	$0 to $80	Cisco Press ENCOR Official Cert Guide by Chapple and Lacoste is the standard reference
Total realistic spend	$400 to $700	Cheapest viable path: $400 (exam only, if you leverage free resources)

Given the $400 per-attempt cost, the "do not book until your practice scores are consistently above 80%" rule matters more here than on almost any other associate or professional cert. Cisco occasionally runs promotional pricing or partner voucher bundles through the Cisco Learning Network Store, so check before you buy.

What salary can you expect after passing?

CCNP-level credentials move you from entry-to-mid into mid-to-senior compensation territory. ENCOR alone qualifies you for CCNP Enterprise once you add a concentration exam, and that combination is a recognized signal for senior-level roles. 2026 US estimates from job boards:

• Network Engineer with CCNP Enterprise: $95,000 to $130,000
• Senior Network Engineer or Network Architect with CCNP: $130,000 to $175,000
• Network Operations lead or consultant with CCNP: $100,000 to $145,000

CCNP holders in enterprise networking consistently out-earn CCNA-only candidates by a meaningful margin. The gap widens further once CCNP is combined with three or more years of production enterprise experience. At the CCIE level, which ENCOR partially qualifies you for, total compensation packages regularly exceed $175,000 in major markets.

The cert itself is the signal that gets you past resume filters for senior network engineer and architect roles. The real pay trajectory requires the cert plus actual work delivering SD-WAN rollouts, BGP policy changes, or wireless infrastructure at scale.

What study resources actually work?

The candidates who pass ENCOR on the first attempt tend to use a consistent stack:

1. One structured course for breadth. Cisco Press's Official Cert Guide is the most thorough single resource; INE and CBT Nuggets both have video courses that are strong on the Infrastructure and Automation domains
2. A real lab, not just Packet Tracer. ENCOR covers IOS-XE behaviors, SD-WAN control plane, and YANG that Packet Tracer does not model well. Cisco dCloud is free and has pre-built ENCOR topology labs. CML (Cisco Modeling Labs) Personal is worth the cost if you plan to push toward CCIE
3. Dedicated automation practice. Do not just read about Python and REST APIs. Write a short Python script that calls a DNA Center sandbox API. Cisco DevNet has a free always-on DNA Center sandbox at developer.cisco.com. Parsing JSON by hand in a sandbox makes the automation questions concrete
4. At least 600 practice questions before exam day, weighted toward Infrastructure and Security, with scenario-based items so design and troubleshooting questions do not surprise you
5. Two full-length timed practice exams in the final two weeks. Treat them like the real thing. If you are scoring below 80%, postpone the real exam. At $400 an attempt, postponing is almost always the right financial decision

Avoid brain-dump sites. Cisco actively updates ENCOR question pools and brain dumps go stale quickly. More importantly, ENCOR rewards the ability to reason through a scenario, not recognize a memorized answer string. The Cisco Learning Network forums and Reddit's r/ccnp have current, crowdsourced guidance on which resources are working this quarter.

For practice questions, NerdExam has 1,356 enriched 350-401 ENCOR questions with full explanations. Start with a free ENCOR practice question to see the question style and reasoning depth before you commit to a study plan. Working through explanations for Infrastructure and Automation items shows you exactly how Cisco frames scenario logic, which is easier to absorb from worked examples than from video summaries.

Who should NOT take 350-401?

The exam is wrong for these candidates:

You are	Take instead
Brand new to networking with no Cisco experience	CCNA 200-301 first to build the foundation
A pure cloud engineer who never configures Cisco gear	AWS, Azure, or GCP networking certifications
Security-focused and not doing network operations	CCNP Security (SCOR 350-701) or CompTIA Security+
Looking for vendor-neutral fundamentals validation	CompTIA Network+ is broader and cheaper
A network engineer who only needs CCNA-level validation	Stay at CCNA until you have the production experience ENCOR expects

The investment here is not just the $400 exam fee. It is 10 to 14 weeks of serious study time. That time is well spent for a working network engineer ready to move into senior roles. It is a poor investment for someone who wants a cert badge without the underlying experience the badge implies to hiring managers who actually verify it in interviews.

What's next after 350-401?

Passing ENCOR opens several paths:

• Complete CCNP Enterprise: Add one concentration exam. The most common pick is 300-410 ENARSI (Advanced Routing and Services), which deepens OSPF, BGP, EIGRP, and VPN troubleshooting. Other concentration options include 300-415 ENSDWI (SD-WAN) and 300-435 ENAUTO (Automation), depending on where your career is pointing.
• CCIE Enterprise lab path: ENCOR satisfies the written/qualifying requirement for both CCIE Enterprise Infrastructure and CCIE Enterprise Wireless. The lab exams are a separate and significantly harder undertaking, but ENCOR is the required gateway. Most engineers spend one to two years in production and focused lab work between passing ENCOR and attempting the CCIE lab.
• SD-WAN or Automation specialization: 300-415 ENSDWI and 300-435 ENAUTO are both viable concentration choices if your shop is deep in Viptela SD-WAN or Catalyst Center automation. Either makes a strong resume signal in enterprise sales engineering and network architect roles.
• DevNet Professional: If the Automation domain on ENCOR sparked genuine interest in network programmability, the Cisco DevNet Professional path (350-901 DEVCOR) builds directly on those skills.

Note that Cisco certifications expire after three years. ENCOR's three-year clock starts on your pass date. You can renew by passing any 300-level or higher Cisco exam, or by passing ENCOR again, or by completing continuing education credits through the Cisco Learning Network.

Ready to start? Browse all 350-401 ENCOR practice questions on NerdExam or jump straight into the free per-question explanations. If you want to explore the official blueprint before you buy study materials, the current exam topics are published on the Cisco Learning Network.