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Last Updated: Sep 22, 2026

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Cisco 300-420 Practice Q&A's

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In 2026, preparing for a test can still feel boring and complex — usually because the material has no structure. The 300-420 exam bank at PracticeMaterial builds a clear knowledge structure first, so the Cisco Designing Cisco Enterprise Networks objectives connect into a map instead of a pile.

Cisco 300-420 Exam Overview:

Certification Vendor:Cisco
Exam Name:Designing Cisco Enterprise Networks (ENSLD)
Exam Number:300-420
Available Languages:Japanese, English
Exam Price:USD 300
Real Exam Qty:55-65
Exam Format:Fill-in-the-blank, Simulation, Multiple-Choice, Drag-and-Drop, Multiple-Response
Related Certifications:CCNP Enterprise
Exam Duration:90 minutes
Certificate Validity Period:3 years
Passing Score:Variable (750-850 / 1000)
Sample Questions: DOWNLOAD DEMO
Exam Way:Pearson VUE (Online or Test Center)
Pre Condition:No formal prerequisites, but CCNA level knowledge is recommended.
Official Syllabus URL:https://learningnetwork.cisco.com/s/ccnp-enterprise

Cisco 300-420 Exam Syllabus Topics:

SectionWeightObjectives
Services10%- Design end-to-end QoS policy
- Design network management
Enterprise Campus Security20%- Design network access control
- Design network security
Advanced Addressing and Routing Solutions25%- Create structured addressing designs
- Create stable, secure, and scalable routing designs for Layer 3
- Determine IPv6 migration strategy
Advanced Enterprise Campus Networks25%- Design Layer 2 and Layer 3 campus networks
- Design campus network services (QoS, multicast, etc.)
- Design for high availability
WAN for Enterprise Networks20%- Design WAN connectivity
- Design QoS for WAN
- Design SD-WAN solution

300-420 Exam Details and Study Questions

The 300-420 exam contains 55-65 questions with 90 minutes minutes to complete them. A clear knowledge structure is what makes that volume manageable — you answer faster when every topic has its place.

Passing the 300-420 exam requires Variable (750-850 / 1000), and registration costs USD 300. Structured preparation is how you spend study time once and exam fees once.

Immediately. The system emails you at once with the download link for the Cisco Designing Cisco Enterprise Networks materials — the whole delivery process takes about a minute. Open the email, download the 300-420 exam product to your computer, install it, and you are studying within minutes of deciding to. If the message does not appear, check your spam folder; after 2 hours without delivery, contact support. Install on all of your own devices without limit.

No formal prerequisites, but CCNA level knowledge is recommended.

The 300-420 exam is the official assessment behind the Cisco Designing Cisco Enterprise Networks certification from Cisco. Lifelong learning has become the norm precisely because industries keep moving — and this credential is a concrete way to keep pace. Many candidates only sit it seriously on a second attempt; structured preparation is how you make the first one count.

The official outline divides the 300-420 exam into weighted domains, including:

  • Advanced Enterprise Campus Networks (25%)
  • Advanced Addressing and Routing Solutions (25%)
  • Services (10%)

The Cisco Designing Cisco Enterprise Networks bank at PracticeMaterial mirrors this structure, so the knowledge map you build while practicing matches the one the exam uses.

Structure is the design principle. The Cisco Designing Cisco Enterprise Networks materials first build a clear knowledge structure of the 300-420 exam, so difficult points become understandable in sequence rather than intimidating in isolation. Our experts have prioritized the most important knowledge for busy learners, and every answer is expert-verified — so your limited hours go exactly where the objectives point.

Cisco Designing Cisco Enterprise Networks Sample Questions:

Question #1

Drag and Drop Question
Drag and drop the descriptions from the left onto the categories they apply to on the right.

Reveal Solution  Discussion  0

Correct Answer:

Question #2

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 primary HSRP device.
  • B. Configure a higher mac-refresh interval on both HSRP devices
  • C. Increase the hello timers on both HSRP devices
  • D. Use the preempt delay feature on the backup HSRP device
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

Question #3

Which component of the SD-Access fabric is responsible for communicating with networks that are external to the fabric?

  • A. border nodes
  • B. control plane nodes
  • C. edge nodes
  • D. intermediate nodes
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

Question #4

Which three key differentiators that DNA Assurance provides that our competitors are unable to match? (Choose three.)

  • A. On-premise and cloud-base analytics
  • B. Proactive approach to guided remediation
  • C. VXLAN support
  • D. Network time travel
  • E. Apple Insights
  • F. Support for Overlay Virtual Transport
Reveal Solution  Discussion  0

Correct Answer: B,D,E  🗳️

Question #5

Which control-plane protocol is used to map an endpoint to a location in a Cisco SD-Access network?

  • A. IS-IS
  • B. LISP
  • C. MP-BGP
  • D. FabricPath
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

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