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The Designing Cisco Enterprise Networks (ENSLD) (300-420)

Passing Cisco CCNP Enterprise exam ensures for the successful candidate a powerful array of professional and personal benefits. The first and the foremost benefit comes with a global recognition that validates your knowledge and skills, making possible your entry into any organization of your choice.

300-420 pdf (PDF) Q & A

Updated: May 8, 2026

339 Q&As

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300-420 PDF + Test Engine (PDF+ Test Engine)

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300-420 Test Engine (Test Engine)

Updated: May 8, 2026

339 Q&As

Answers with Explanation

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300-420 Exam Dumps
  • Exam Code: 300-420
  • Vendor: Cisco
  • Certifications: CCNP Enterprise
  • Exam Name: Designing Cisco Enterprise Networks (ENSLD)
  • Updated: May 8, 2026 Free Updates: 90 days Total Questions: 339 Try Free Demo

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Cisco 300-420 Exam Domains Q&A

Certified instructors verify every question for 100% accuracy, providing detailed, step-by-step explanations for each.

Question 1 Cisco 300-420
QUESTION DESCRIPTION:

An engineer is working for a large cable TV provider that requires multiple sources streaming video on different channels using multicast with no rendezvous point. Which multicast protocol meets these requirements?

  • A.

    PIM-SM

  • B.

    PIM-SSM

  • C.

    any-source multicast

  • D.

    BIDIR-PIM

Correct Answer & Rationale:

Answer: B

Explanation:

PIM-SSM is suitable for when well-known sources exist within the local PIM domain and for broadcast applications. Also, PIM-SSM eliminates the RPs and shared trees

Question 2 Cisco 300-420
QUESTION DESCRIPTION:

Refer to the exhibit.

300-420 Q2

The failover time of ISP-2 is significantly shorter than ISP-1 when an interface on the ISP router toward the campus network fails. Which solution minimizes the downtime to the sub-second?

  • A.

    Aggressive timers

  • B.

    Next-hop address tracking

  • C.

    Graceful-restart

  • D.

    BFD

Correct Answer & Rationale:

Answer: D

Explanation:

https://www.cisco.com/c/en/us/td/docs/ios/12_2sb/feature/guide/sbbnhop.html

Question 3 Cisco 300-420
QUESTION DESCRIPTION:

What is the purpose of a control plane node in a Cisco SD-Access network fabric?

  • A.

    to maintain the endpoint database and mapping between endpoints and edge nodes

  • B.

    to detect endpoints in the fabric and inform the host tracking database of EID-to-fabric-edge node bindings

  • C.

    to identify and authenticate endpoints within the network fabric

  • D.

    to act as the network gateway between the network fabric and outside networks

Correct Answer & Rationale:

Answer: B

Explanation:

https://www.cisco.com/c/en/us/td/docs/solutions/CVD/Campus/cisco-sda-design-guide.html

Question 4 Cisco 300-420
QUESTION DESCRIPTION:

What is the role of a control-plane node in a Cisco SD-Access architecture?

  • A.

    fabric device that connects wired endpoints to the SD-Access fabric

  • B.

    map system that manages endpoint to device relationships

  • C.

    fabric device that connects APs and wireless endpoints to the SD-Access fabric

  • D.

    map system that manages External Layer 3 networks

Correct Answer & Rationale:

Answer: B

Explanation:

[Reference: https://netaavi.com/my-blog-1/f/overview-of-sda-fabric-solution, , , ]

Question 5 Cisco 300-420
QUESTION DESCRIPTION:

Refer to the exhibit.

300-420 Q5

An architect is designing an EIGRP solution based on these requirements:

* Traffic forwarding should use the best two paths while all links are available

* Single path failure must not impact traffic between branch and HQ

Which solution must the architect select?

  • A.

    Maximum-paths 2

  • B.

    Add-paths 2

  • C.

    Metric weights 010100

  • D.

    Variance 2

Correct Answer & Rationale:

Answer: D

Explanation:

ENSLD cert guide page 113. shortest path = 900, next 1700 and finally 3300 for the worst path. Witch variance 2, all routes under 1800 (900x2) become active.

Question 6 Cisco 300-420
QUESTION DESCRIPTION:

An engineer is designing a multicast network for a company specializing in VoD content. Receivers are across the Internet, and for performance reasons, the multicast framework close to the receivers within each AS. For high availability, if the sources in one AS are no longer available, the receivers of that AS must be able to receive the VoD content from sources in another AS. Which feature must the design include?

  • A.

    Bidirectional PIM

  • B.

    SSM

  • C.

    Anycast RP

  • D.

    MSDP

Correct Answer & Rationale:

Answer: C

Explanation:

https://learningnetwork.cisco.com/s/question/0D53i00000KsrGrCAJ/rendezvous-point-high-availability-mechanisms

Question 7 Cisco 300-420
QUESTION DESCRIPTION:

300-420 Q7

Refer to the exhibit. An architect is developing a solution to consolidate networks while retaining device redundancy. The routing protocol for the WAN routers must be open standard, ensure high availability, and provide the fastest convergence time. Which solution must the design include?

  • A.

    both routers running EIGRP

  • B.

    one router running OSPFv2 and other OSPF v3

  • C.

    one router running ISIS and other OSPF v3

  • D.

    both routers running OSPFv2

Correct Answer & Rationale:

Answer: A

Explanation:

EIGRP has a function called " EIGRP Ipv6 " (But that can still be called " EIGRP " )

Question 8 Cisco 300-420
QUESTION DESCRIPTION:

Which two statements about VRRP object tracking are true? (Choose two)

  • A.

    The priority of a VRRP device can change in accordance with the up or down status of a VRRP object

  • B.

    The VRRP interface priority must be manually configured by the administrator

  • C.

    A VRRP group can track only one object at a time

  • D.

    VRRP can track the status of interfaces and routes

  • E.

    VRRP supports only interface tracking

Correct Answer & Rationale:

Answer: A, D

Explanation:

https://www.ciscolive.com /c/dam/r/ciscolive/emea/docs/2019/pdf/BRKCRS-2821.pdf

Question 9 Cisco 300-420
QUESTION DESCRIPTION:

How do endpoints inside an SD-Access network reach resources outside the fabric?

  • A.

    a VRF fusion router is used to map resources in one VN to another VN

  • B.

    Fabric borders use VRFs to map VNs to VRFs

  • C.

    SD-Access transit links are used to transport encapsulated traffic from one fabric to another

  • D.

    A fabric edge is used to de-encapsulate VXLAN traffic to normal IP traffic then transported over the outside network

Correct Answer & Rationale:

Answer: B

Explanation:

https://www.cisco.com/c/en/us/td/docs/solutions/CVD/Campus/cisco-sda-design-guide.html

" Packets and frames sourced from inside the fabric and destined outside of the fabric are de-encapsulated by the border node " (not the edge node)

Question 10 Cisco 300-420
QUESTION DESCRIPTION:

Which two border nodes are available in the Cisco SD-Access architecture? (Choose two.)

  • A.

    extended border

  • B.

    edge border

  • C.

    internal border

  • D.

    anywhere border

  • E.

    intermediate border

Correct Answer & Rationale:

Answer: C, D

Explanation:

There are 3 types of border nodes in SD-Access:

External. Default exit from fabric with no specific routes injection

Internal. Gateway only for a set of networks, such as shared services prefixes

Anywhere. Combination of external and internal functionality

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Cisco 300-420 CCNP Enterprise FAQ

What are the prerequisites for taking CCNP Enterprise Exam 300-420?

There are only a formal set of prerequisites to take the 300-420 Cisco exam. It depends of the Cisco organization to introduce changes in the basic eligibility criteria to take the exam. Generally, your thorough theoretical knowledge and hands-on practice of the syllabus topics make you eligible to opt for the exam.

How to study for the CCNP Enterprise 300-420 Exam?

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Finally, it should also introduce you to the expected questions with the help of Cisco 300-420 exam dumps to enhance your readiness for the exam.

How hard is CCNP Enterprise Certification exam?

Like any other Cisco Certification exam, the CCNP Enterprise is a tough and challenging. Particularly, it's extensive syllabus makes it hard to do 300-420 exam prep. The actual exam requires the candidates to develop in-depth knowledge of all syllabus content along with practical knowledge. The only solution to pass the exam on first try is to make sure diligent study and lab practice prior to take the exam.

How many questions are on the CCNP Enterprise 300-420 exam?

The 300-420 Cisco exam usually comprises 100 to 120 questions. However, the number of questions may vary. The reason is the format of the exam that may include unscored and experimental questions sometimes. Mostly, the actual exam consists of various question formats, including multiple-choice, simulations, and drag-and-drop.

How long does it take to study for the CCNP Enterprise Certification exam?

It actually depends on one's personal keenness and absorption level. However, usually people take three to six weeks to thoroughly complete the Cisco 300-420 exam prep subject to their prior experience and the engagement with study. The prime factor is the observation of consistency in studies and this factor may reduce the total time duration.

Is the 300-420 CCNP Enterprise exam changing in 2026?

Yes. Cisco has transitioned to v1.1, which places more weight on Network Automation, Security Fundamentals, and AI integration. Our 2026 bank reflects these specific updates.

How do technical rationales help me pass?

Standard dumps rely on pattern recognition. If Cisco changes a single IP address in a topology, memorized answers fail. Our rationales teach you the logic so you can solve the problem regardless of the phrasing.