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HomeCertifications350-401Exam Domains
Free — No Signup RequiredCisco · 2026

350-401 Practice Questions by Domain

The ENCOR 350-401 exam is divided into 39 weighted domains. Practice each domain separately to identify weak spots, then drill them until your score improves.

39 exam domains2015+ practice questionsDomain-weighted practice
Exam OverviewPractice TestMock ExamStudy GuideExam Domains

Jump to Domain

Architecture15%Enterprise Network DesignSD-Access ArchitectureSD-WAN ArchitectureQoS ArchitectureVirtualization10%Network Function VirtualizationVirtual Machines and HypervisorsVRF and Path IsolationInfrastructure30%OSPFBGPEIGRPVLANs and TrunkingSpanning Tree ProtocolEtherChannelWireless InfrastructureMPLSWAN TechnologiesNAT and DHCPIP MulticastQoSNetwork Assurance10%SNMP and SyslogNetFlow and TelemetrySPAN and RSPANIP SLASecurity20%AAA, RADIUS, and TACACS+ACLs and CoPP802.1X and TrustSecVPN TechnologiesInfrastructure SecurityAutomation15%Python for Network AutomationAnsible AutomationREST APIs and Data ModelsCisco DNA CenterModel-Driven Telemetry
EasyMediumHard
Architecture15%

24 questions

Practice 10Browse all →
Enterprise Network Design

44 questions

Practice 10Browse all →
SD-Access Architecture

41 questions

Practice 10Browse all →
SD-WAN Architecture

58 questions

Practice 10Browse all →
QoS Architecture

58 questions

Practice 10Browse all →
Virtualization10%

22 questions

Practice 10Browse all →
Network Function Virtualization

58 questions

Practice 10Browse all →
Virtual Machines and Hypervisors

58 questions

Practice 10Browse all →
VRF and Path Isolation

58 questions

Practice 10Browse all →
Infrastructure30%

23 questions

Practice 10Browse all →
OSPF

58 questions

Practice 10Browse all →
BGP

58 questions

Practice 10Browse all →
EIGRP

58 questions

Practice 10Browse all →
VLANs and Trunking

58 questions

Practice 10Browse all →
Spanning Tree Protocol

58 questions

Practice 10Browse all →
EtherChannel

58 questions

Practice 10Browse all →
Wireless Infrastructure

58 questions

Practice 10Browse all →
MPLS

58 questions

Practice 10Browse all →
WAN Technologies

58 questions

Practice 10Browse all →
NAT and DHCP

58 questions

Practice 10Browse all →
IP Multicast

58 questions

Practice 10Browse all →
QoS

58 questions

Practice 10Browse all →
Network Assurance10%

20 questions

Practice 10Browse all →
SNMP and Syslog

58 questions

Practice 10Browse all →
NetFlow and Telemetry

58 questions

Practice 10Browse all →
SPAN and RSPAN

58 questions

Practice 10Browse all →
IP SLA

57 questions

Practice 10Browse all →
Security20%

15 questions

Practice 10Browse all →
AAA, RADIUS, and TACACS+

58 questions

Practice 10Browse all →
ACLs and CoPP

58 questions

Practice 10Browse all →
802.1X and TrustSec

58 questions

Practice 10Browse all →
VPN Technologies

58 questions

Practice 10Browse all →
Infrastructure Security

58 questions

Practice 10Browse all →
Automation15%

29 questions

Practice 10Browse all →
Python for Network Automation

58 questions

Practice 10Browse all →
Ansible Automation

58 questions

Practice 10Browse all →
REST APIs and Data Models

58 questions

Practice 10Browse all →
Cisco DNA Center

58 questions

Practice 10Browse all →
Model-Driven Telemetry

58 questions

Practice 10Browse all →

How to study 350-401 by domain

Domain-based practice is the most efficient study method for 350-401. Rather than mixing questions from all topics, focusing on one domain at a time lets you identify exactly where your knowledge gaps are and drill them systematically until you're consistently scoring above 80% in that area.

1. Baseline each domain

Start with 10 questions per domain in order of blueprint weight. Note which domains score below 70% — those get priority.

2. Drill weak domains

For each weak domain, do 20–30 question focused sessions. Read every explanation — not just for wrong answers but for correct ones too.

3. Verify improvement

After a week of targeted drilling, run another 10-question baseline per domain. Confirm scores have improved before moving on.

4. Mixed practice

In the final 2 weeks before your exam, switch to full mixed sessions (50–120 questions) to practice cross-domain recall, which is what the real 350-401 tests.

350-401 blueprint — domain weights

Official 350-401 Exam Blueprint (2026)

Architecture
24 questions
15%
Enterprise Network Design
44 questions
SD-Access Architecture
41 questions
SD-WAN Architecture
58 questions
QoS Architecture
58 questions
Virtualization
22 questions
10%
Network Function Virtualization
58 questions
Virtual Machines and Hypervisors
58 questions
VRF and Path Isolation
58 questions
Infrastructure
23 questions
30%
OSPF
58 questions
BGP
58 questions
EIGRP
58 questions
VLANs and Trunking
58 questions
Spanning Tree Protocol
58 questions
EtherChannel
58 questions
Wireless Infrastructure
58 questions
MPLS
58 questions
WAN Technologies
58 questions
NAT and DHCP
58 questions
IP Multicast
58 questions
QoS
58 questions
Network Assurance
20 questions
10%
SNMP and Syslog
58 questions
NetFlow and Telemetry
58 questions
SPAN and RSPAN
58 questions
IP SLA
57 questions
Security
15 questions
20%
AAA, RADIUS, and TACACS+
58 questions
ACLs and CoPP
58 questions
802.1X and TrustSec
58 questions
VPN Technologies
58 questions
Infrastructure Security
58 questions
Automation
29 questions
15%
Python for Network Automation
58 questions
Ansible Automation
58 questions
REST APIs and Data Models
58 questions
Cisco DNA Center
58 questions
Model-Driven Telemetry
58 questions

Frequently asked questions

How are 350-401 exam questions divided by domain?

The ENCOR 350-401 exam covers 39 domains, each with a specific percentage weight in the official Cisco blueprint. Higher-weight domains contribute more questions to the real exam, so they deserve more study time proportionally.

Can I practice only one 350-401 domain at a time?

Yes — each domain on this page has a "Practice" button that launches a session drawing questions exclusively from that domain. Choose 10, 20, or 30 questions to focus your study on one area at a time.

Which 350-401 domain should I study first?

Start with the highest-weight domain (Architecture at 15%) since it contributes the most questions to your real exam score. Then work through remaining domains in order of weight.

How many practice questions should I do per 350-401 domain?

Do a 10-question baseline session first to identify your starting accuracy. Then do 20–30 question focused sessions until you score consistently above 80% in that domain before moving to the next.

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Track your 350-401 domain progress

See which domains need more work, set daily study goals, and benchmark your readiness before exam day.

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