Exam Overview

The 300-420 ENSLD exam is a professional-level concentration exam in the CCNP Enterprise certification path. Passing earns the Cisco Certified Specialist - Enterprise Design certification and satisfies an applicable concentration exam requirement.

• Exam Code: 300-420 ENSLD v1.1
• Level: Professional-level concentration and Specialist certification exam
• Duration: 90 minutes. Available language(s): English and Japanese.
• Passing Score: Not officially disclosed by the certification provider.
• Grading and Results: Cisco uses pass/fail grading and states that results are available online within 48 hours.

Exam Structure

The 300-420 ENSLD exam follows five weighted domains covering advanced addressing and routing, advanced campus networks, enterprise WAN, network services, and automation.

• Question Types: Not officially disclosed by the certification provider.
• Number of Questions: Not officially disclosed by the certification provider.
• Hands-On Questions: Not officially disclosed by the certification provider.

Exam Policies

• Before completing ENSLD exam registration, review Cisco certification policies, Pearson VUE identification rules, the Cisco candidate agreement, and the appointment terms.
• Rescheduling: Online Proctored exams can be rescheduled up to 30 minutes before check-in. Test Center exams can be rescheduled up to 48 hours before the scheduled appointment.
• Cancellation: Online Proctored exams can be cancelled up to 30 minutes before check-in. Test Center exams can be cancelled up to 48 hours before the scheduled appointment.
• Retake Policy: After failing a Professional- or Specialist-level written exam, wait five calendar days, beginning the next day, before retaking it.
• Retake Fee: A retake normally requires the full ENSLD exam fee unless a valid safeguard, voucher, or promotion provides different terms.

Certification Validity and Renewal Options

Passing the 300-420 ENSLD exam earns the Cisco Certified Specialist - Enterprise Design certification and starts Cisco's active certification cycle.

• Validity: Cisco Specialist certifications remain active for three years from the date earned.
• Renewal Options: Renew by earning 40 Continuing Education credits or completing an eligible Cisco exam pathway under the current recertification policy.

Exam Fee

• Base Fee: The official ENSLD exam fee is USD 300, excluding applicable taxes. Eligible Cisco Learning Credits may be redeemed during scheduling.
• Taxes: Local taxes, currency conversion, and regional checkout rules may affect the final ENSLD certification cost. The payable amount is shown during registration.
• Example (India): Candidates in India are subject to 18% GST, bringing the total exam fee to USD 354 (USD 300 + USD 54 GST).

Prerequisites

Cisco publishes no formal prerequisite for the 300-420 ENSLD exam. To earn CCNP Enterprise, candidates must pass the 350-401 ENCOR core exam and one eligible concentration exam.

• Candidates should understand IPv4 and IPv6 addressing, EIGRP, OSPF, IS-IS, BGP, campus switching, redundancy, WAN technologies, QoS, multicast, management, model-driven telemetry, and Cisco SD-Access and SD-WAN concepts.
• Preparation should combine the official ENSLD syllabus with practical experience designing, implementing, automating, monitoring, or troubleshooting the technologies represented in the current blueprint.
• Cisco's official learning resources are recommended preparation for the 300-420 ENSLD exam, but completing a specific course is not an exam prerequisite.

Exam Topics

The official ENSLD syllabus v1.1 covers the following weighted domains:

• Advanced Addressing and Routing Solutions - 25%: Structured IPv4/IPv6 addressing; scalable IS-IS, EIGRP, OSPF, and BGP designs; route filtering, route reflectors, load sharing, and IPv6 migration strategies.
• Advanced Enterprise Campus Networks - 25%: High availability, FHRP, BFD, graceful restart, Layer 2 scalability and security, multicampus Layer 3 design, VRFs, redistribution, SD-Access architecture, and wired and wireless fabric design.
• WAN for Enterprise Networks - 20%: Layer 2 and Layer 3 VPNs, MPLS, Metro Ethernet, DWDM, 4G/5G, DMVPN, IPsec, GRE, GET VPN, high availability, Cisco SD-WAN architecture, and overlay design.
• Network Services - 20%: DiffServ and IntServ selection, end-to-end QoS, management network design, multicast routing concepts, SSM, bidirectional PIM, and MSDP.
• Automation - 10%: IETF, OpenConfig, and Cisco YANG models; NETCONF, RESTCONF, gRPC, gNMI, model-driven telemetry, cloud connectivity options, and private, public, and hybrid service models.
• Blueprint Scope: Cisco describes the published objectives as general guidelines; related enterprise network design topics may appear on a specific exam delivery.

Intended Audience

The 300-420 ENSLD exam is designed for professionals who design, automate, implement, operate, monitor, or support modern enterprise networks, including:

• Enterprise Network Designers
• Network Architects
• Senior Network Engineers
• Systems Engineers
• Infrastructure Consultants
• Solutions Architects
• CCNP Enterprise Candidates

Career Opportunities

Passing the 300-420 ENSLD exam supports specialist roles aligned with the knowledge and practical skills in the current blueprint, including:

• Enterprise Network Architect
• Network Design Engineer
• Senior Enterprise Network Engineer
• Infrastructure Solutions Architect
• Network Consulting Engineer
• Enterprise Connectivity Consultant

Average Salary (Approximate)

Cisco does not publish salary data for ENSLD credential holders. The ranges below use current employment-market estimates for Network Engineers or closely related infrastructure roles. Salaries vary by experience, employer, location, job role, and industry.

• U.S.: Approximately USD 69,256-190,204 per year for Network Engineers (Indeed, July 2026).
• India: Approximately INR 369,999-811,875 per year for Network Engineers (Glassdoor, July 2026).
• United Kingdom: Approximately GBP 34,579-50,977 per year for Infrastructure Network Engineers (Glassdoor, July 2026).
• UAE: Approximately AED 60,000-252,000 per year in total pay for Network Engineers in Dubai, based on the published monthly range (Glassdoor, July 2026).

Exam Delivery Options

During ENSLD exam registration, candidates can review the delivery methods available for the 300-420 appointment and their location.

• Pearson VUE Test Center - Take the exam in a proctored environment at an authorized Pearson VUE test center, subject to local availability.
• Online Proctored Exam (OnVUE) - Cisco written certification exams, including 300-420, can be taken online, subject to country availability, system requirements, and the appointment options shown during scheduling.
• Online Exam Rules: Run the required system test, use an approved computer with webcam and microphone, present acceptable identification, maintain a clear private workspace, and remain under live-proctor supervision.
• Test Center Rules: Arrive according to the appointment instructions, bring the required identification, store prohibited items, accept Cisco's candidate agreement, and follow all check-in and proctor directions.

Exam Registration

Follow these steps to complete ENSLD exam registration:

• Open Cisco's official exam scheduling portal and sign in with the Cisco account linked to the certification profile.
• Select the 300-420 ENSLD exam and choose an available Pearson VUE test center or OnVUE online-proctored appointment, where offered.
• Confirm the exam language, date, time, delivery method, identification requirements, and the rescheduling and cancellation terms shown with the booking.
• Pay the ENSLD exam fee, apply an eligible voucher, or redeem Cisco Learning Credits, then save the appointment confirmation.

After Passing the Exam

After passing the 300-420 ENSLD exam, review the pass/fail result and certification record in Cisco CertMetrics.

• Passing earns the Cisco Certified Specialist - Enterprise Design certification and satisfies an applicable concentration requirement.
• Use Cisco CertMetrics to access exam history, score reports, certificates, transcripts, certification logos, and the credential's expiration information.
• To earn CCNP Enterprise, also pass the current 350-401 ENCOR core exam within Cisco's applicable written-exam validity window.

Why the 300-420 ENSLD Exam Is Worth It

• Earns the Cisco Certified Specialist - Enterprise Design certification
• Satisfies an applicable concentration requirement
• Validates current Cisco enterprise networking expertise
• Demonstrates focused knowledge aligned with the official ENSLD syllabus