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Exam Code: 300-420
Exam Name: Designing Cisco Enterprise Networks
Certification Provider: Cisco
Corresponding Certification: CCNP Enterprise
Exam Name: Designing Cisco Enterprise Networks
Certification Provider: Cisco
Corresponding Certification: CCNP Enterprise
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Updated: Oct 21, 2026
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Cisco 300-420 Exam Overview:
| Certification Vendor: | Cisco |
|---|---|
| Exam Name: | Designing Cisco Enterprise Networks (ENSLD) |
| Exam Number: | 300-420 ENSLD |
| Real Exam Qty: | 55-65 |
| Related Certifications: | CCNP Enterprise CCIE Enterprise Infrastructure |
| Available Languages: | English, Simplified Chinese, Japanese |
| Certificate Validity Period: | 3 years |
| Exam Price: | $300 USD |
| Exam Duration: | 90 minutes |
| Exam Format: | Simulation-based questions, Multiple choice, Drag and drop, Multiple response |
| Recommended Training: | Cisco Official Training (Designing Cisco Enterprise Networks) Cisco Learning Network - ENSLD |
| Exam Registration: | Pearson VUE Cisco Exams Cisco Certification Exam Registration |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Available via Pearson VUE test centers or online proctored exam |
| Pre Condition: | No formal prerequisites required. Recommended: CCNA-level knowledge and CCNP Enterprise core exam (350-401 ENCOR). |
| Official Syllabus URL: | https://www.cisco.com/c/en/us/training-events/training-certifications/exams/current-list/300-420-ensld.html |
Cisco 300-420 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Network Services Design | - Routing protocols design (OSPF, EIGRP, BGP) - Multicast and QoS design considerations |
| Network Automation and Programmability | - Controller-based networking design - API-driven network automation concepts |
| Security Design in Enterprise Networks | - Segmentation and access control design - VPN and perimeter security architecture |
| Enterprise Network Design Principles | - Design methodologies and best practices - Scalability and high availability design |
| Enterprise Campus Network Design | - Campus LAN architecture - Spine-leaf and hierarchical design models |
| WAN and Edge Connectivity Design | - Traditional WAN and internet edge design - SD-WAN architecture and design considerations |
300-420 Practice Questions: Answers
The Cisco Designing Cisco Enterprise Networks practice questions are organized around the official exam objectives. Key topics include:
- Security Design in Enterprise Networks ()
- Network Services Design ()
- Network Automation and Programmability ()
A systematic pass through these topics covers the syllabus end to end.
You can register for the Cisco Designing Cisco Enterprise Networks exam through the official channels:
No formal prerequisites required. Recommended: CCNA-level knowledge and CCNP Enterprise core exam (350-401 ENCOR).
You can confirm the current eligibility requirements on the official 300-420 exam page before you register.
Our experts review the question bank every day, and whenever a new version is released, our system sends it to your email automatically — no request needed. If an update ever seems to go missing, check your junk or spam folder first, since automated messages occasionally land there; contact us if it truly never arrived.
Many candidates combine practice questions with official training. Recommended options include:
The Cisco Designing Cisco Enterprise Networks exam contains 55-65 questions, and you will have 90 minutes minutes to complete them. Practicing under these exact constraints makes the real exam feel like one more rehearsal.
Yes. If anything about the updated material or your preparation is unclear, you can contact our experts directly after purchase. They will work through your question and offer professional advice on how to approach the material, so the product comes with guidance, not just files.
This package includes 457 practice questions for the Cisco Designing Cisco Enterprise Networks exam. Every answer is verified by an experienced team of experts, so you can trust what you study.
Cisco Designing Cisco Enterprise Networks Sample Questions:
Refer to the exhibit. Which method must an architect use to provide connectivity between the mail servers?
- A. ISATAP
- B. 6rd
- C. IPv4 compatible
- D. 6to4
Correct Answer: D 🗳️
Refer to the exhibit. The distribution switches serve as the layer 3 boundary. HSRP preemption is enabled. When the primary switch comes back after a failure, traffic is initially dropped.
Which solution must be implemented to improve the design?
- A. Use the preempt delay feature on the backup HSRP device
- B. Use the preempt delay feature on the primary HSRP device.
- C. Configure a higher mac-refresh interval on both HSRP devices
- D. Increase the hello timers on both HSRP devices
Correct Answer: B 🗳️
A customer is undergoing a WAN re-architecture and wants to design QoS policies for remote sites that have low bandwidth. What must be considered to have CBWFQ configured in the parent and child policies in an end-to-end QoS design?
- A. Traffic shaping is required in the parent policy.
- B. CBWFQ is only supported in the child policy.
- C. CBWFQ is only supported in the parent policy.
- D. Traffic policing is required in the child policy.
Correct Answer: D 🗳️
Refer to the exhibit. An engineer is designing an OSPF network for a client. Requirements dictate that the routers in Area 1 should receive all routes belonging to the network, including EIGRP, except the ones originated in the RIP domain. Which action should the engineer take?
- A. Make area 1 a NSSA.
- B. Make area 1 a standard OSPF area.
- C. Make area 1 a stub.
- D. Make the area 1 routers part of area 0.
Correct Answer: A 🗳️
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Refer to the exhibit. A company architect proposed this network design as a part of the IPv6 migration strategy. What are two advantages of this design? (Choose two.)
- A. It permits any number of devices to join the overlay network seamlessly.
- B. It provides increased scalability without increasing forwarding overhead.
- C. It enables the transport of protocols that are unsupported by the underlay.
- D. It allows multiple independent networks to be built on top of a shared underlay.
- E. It establishes an independent network that does not share fate with the underlay.
Correct Answer: C,D 🗳️
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