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There is no waiting period at PremiumVCEDump. Once your order is placed, the 300-420 practice questions for the Cisco Designing Cisco Enterprise Networks arrive in your mailbox within a minute, and you can install the material on as many computers as you need.

Cisco 300-420 Exam Overview:

Certification Vendor:Cisco
Exam Name:Designing Cisco Enterprise Networks (ENSLD)
Exam Number:300-420
Related Certifications:CCNP Enterprise
Exam Price:USD 300
Passing Score:Variable (750-850 / 1000)
Exam Format:Simulation, Drag-and-Drop, Multiple-Response, Fill-in-the-blank, Multiple-Choice
Available Languages:English, Japanese
Certificate Validity Period:3 years
Real Exam Qty:55-65
Exam Duration:90 minutes
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
Advanced Addressing and Routing Solutions25%- Create stable, secure, and scalable routing designs for Layer 3
- Create structured addressing designs
- Determine IPv6 migration strategy
WAN for Enterprise Networks20%- Design SD-WAN solution
- Design WAN connectivity
- Design QoS for WAN
Advanced Enterprise Campus Networks25%- Design for high availability
- Design Layer 2 and Layer 3 campus networks
- Design campus network services (QoS, multicast, etc.)
Services10%- Design end-to-end QoS policy
- Design network management
Enterprise Campus Security20%- Design network security
- Design network access control

Common Questions About the Cisco Designing Cisco Enterprise Networks Exam

The Cisco Designing Cisco Enterprise Networks (exam code 300-420) is the exam you pass to earn the CCNP Enterprise certification, a credential at the Professional level. It is also connected with related credentials such as CCNP Enterprise. If you are mapping out a certification path with Cisco, this exam is a milestone worth planning around.

The 300-420 exam includes 55-65 questions, and you have 90 minutes to complete them. With that many questions on the clock, pacing is part of the challenge: divide your time into rough blocks as you go, and flag the items that stall you so you can circle back at the end instead of burning minutes on a single question. A week or two before your exam date, sit at least one full timed session in the PremiumVCEDump test engine under the same time limit, so the pace feels familiar rather than frantic on the day.

You need Variable (750-850 / 1000) to pass the 300-420 exam, and the official registration fee is USD 300. That fee is due again in full for every retake, which makes thorough preparation the cheaper investment by far. Before you book your seat, test yourself with the PremiumVCEDump practice questions until you are scoring comfortably above the passing mark on a consistent basis — it is the simplest way to avoid paying for the same exam twice.

No formal prerequisites, but CCNA level knowledge is recommended.

Eligibility rules can be adjusted by Cisco over time, so before you register, confirm the current requirements on the official exam page: view the official 300-420 exam information.

Yes. PremiumVCEDump offers a free PDF demo of the 300-420 practice questions, so you can judge the quality of the material firsthand before paying anything. Every purchase also includes 365 days of free updates — if Cisco changes the exam during that year, your material changes with it. And when the free update period expires, you can extend it at a 50% discount from within your member zone.

Every 300-420 purchase at PremiumVCEDump is backed by a 100% Money Back Guarantee: if you take the corresponding exam within 60 days of your purchase and do not pass, you can apply for a full refund. The guarantee has clear conditions — it does not apply if you sit the exam within 3 days of purchase, if you downloaded the material but never actually took the exam, or to free materials and expired orders, and the candidate name must match the payer name. To file a claim, send a scan of your exam enrollment slip together with your official Score Report PDF within 2 days of the exam; claims are processed within 7 days. If you would rather not take a refund, you can exchange the product instead and receive two additional exam preparation products of equal value for free, while your original product keeps its update service. Delivery itself is instant: your material is available for download right after payment and is also sent to your email within one minute — if it has not arrived within 2 hours, contact our customer service. There is no limit on how many computers you can install it on.

The official Cisco Designing Cisco Enterprise Networks outline divides the exam content into 5 main domains. The first three are:

  • Enterprise Campus Security — 20%
  • Advanced Enterprise Campus Networks — 25%
  • WAN for Enterprise Networks — 20%

That is only the headline view — scroll back up to the Exam Topics section on this page for the complete domain-by-domain breakdown before you plan your study schedule.

Cisco Designing Cisco Enterprise Networks Sample Questions:

Refer to the exhibit. A network architect is preparing a network design based on the EIGRR.
Routers are connected using a cat6a cable type and the inter-router connection speed is limited to 10 Mbps due to distance. During the pilot phase, a DUAL-3-SIA error message is visible.
Which action must the engineer take to create a stable design?

  • A. Create a summary route on R2.
  • B. Disable split horizon on R1.
  • C. Configure STUB area on R4.
  • D. Enable poison reverse on R4.
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

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An engineer uses Postman and YANG to configure a router with:
- OSPF process ID 400
- network 192.168.128.128/25 enabled for Area 0
Which get-config reply verifies that the model set was designed correctly?

  • A.
  • B.
  • C.
  • D.
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

Explanation: Only visible for PremiumVCEDump members. You can sign-up / login (it's free).

An engineer is designing a network for a customer running a wireless network with a common VLAN for all APs. The customer is experiencing unicast flooding in the Layer 2 network between the aggregation and access layers. The customer wants to reduce the flooding and improve convergence time. Which solution meets these requirements?

  • A. Align HSRP primary and STP root bridges and reduce ARP timers to match CAM timers on the aggregation layer switches.
  • B. Migrate all APs to a common Layer 2 access layer switch and run Layer 3 from the aggregation layer to all remaining access layer switches.
  • C. Align HSRP primary and STP root bridges if the APs cannot run on separate VLANs.
  • D. Migrate to a Layer 3 access campus design if the APs can run on separate VLANs.
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

Explanation: Only visible for PremiumVCEDump members. You can sign-up / login (it's free).

Refer to the exhibit. Due to budget constraints, a customer decided to purchase WAN routers with one LAN and one WAN interface per device. There is a requirement to connect the three sites to ensure high availability without buying additional WAN links. Which design deployment must the customer choose?

  • A. single-homed full mesh
  • B. dual-homed hub-and-spoke
  • C. single-homed hub-and-spoke
  • D. dual-homed full mesh
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

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 the area 1 routers part of area 0.
  • C. Make area 1 a standard OSPF area.
  • D. Make area 1 a stub.
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

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