If you’re planning to design large-scale enterprise networks or pushing toward your CCNP Enterprise certification, the Cisco 300-420 ENSLD exam is a critical step.
In 2025, as software-defined technologies like SDA and model-driven telemetry continue to mature, having up-to-date preparation resources is more important than ever.
In this article, I will guide you through the latest Cisco 300-420 ENSLD dumps practice questions (https://www.leads4pass.com/300-420.html) and provide practical advice and test-taking strategies based on real-world experience.
Overview of the Cisco 300-420 (ENSLD) Exam
What the Exam Certifies
Passing the 300-420 ENSLD (Designing Cisco Enterprise Networks) exam earns you the Cisco Certified Specialist – Enterprise Design credential and fulfills the concentration requirement for the CCNP Enterprise certification.
Format, Duration, Cost, and Languages
- The exam takes 90 minutes.
- The cost is US $300 for most candidates.
- Available in English and Japanese.
- Question types include multiple-choice and simulation.
Recent Version / Updates
The current exam blueprint for 300-420 is version 1.1, which reflects the most recent design priorities from Cisco. Leads4Pass 300-420 course material (ENSLD v1.1) aligns with this, covering modern topics like model-driven telemetry and SD-Access.
Free sharing of the latest Cisco 300-420 practice questions
| Number of exam questions | Complete study materials | Related study materials |
| 15 (Free) | 395 Q&A | CCNP Enterprise |
Question 1:
Refer to the exhibit. A network engineer working for a private service provider with an employee ID: 1234:56:789 must design a BGP solution based on:
All traffic originating from AS100 must pass through AS200 to reach the NTP and DHCP server
When a link failure occurs between R3 and R4, traffic must follow the R2-R9 link to reach the NTP and DHCP server
Which solution must the design include?
A. Routers R3 and R10 advertise an IGP metric into BGP during redistribution in both directions
B. Router R6 influences the paths of R9 and R11 to the DC with a higher AS-PATH value
C. Routers R3 and R10 advertise a lower local preference for outgoing traffic and a higher AS-PATH value for incoming traffic
D. Router R3 applies a local preference of 200 for R1, R2, R9, and R11 routers to reach the data center
Correct Answer: B
Question 2:
Which two statements describe source trees in a multicast environment? (Choose two.)
A. Source trees guarantee the minimum amount of network latency for forwarding multicast traffic
B. Source trees create an optimal path between the source and the receivers
C. Source trees use a single common root placed at some chosen point in the network
D. Source trees can introduce latency in packet delivery
E. Source trees can create suboptimal paths between the source and the receivers
Correct Answer: AB
Question 3:
A customer has several remote sites connected with their headquarters through microwave links. An engineer must propose a backup WAN solution based on these conditions:
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Which backup WAN link type the engineer recommend?
A. LTE
B. 802.16 WiMAX
C. Laser link
D. 802.15.1 Bluetooth
Correct Answer: A
Question 4:
What is a feature of the SaaS subscription model?
A. lower initial costs
B. web connection not required
C. autonomy and control over hardware
D. access to industrial-strength storage and computing power
Correct Answer: A
Question 5:
A client is moving to Model-Driven Telemetry and requires periodic updates. What must the network architect consider with this design?
A. Updates that contain changes within the data are sent only when changes occur.
B. Empty data subscriptions do not generate empty update notifications.
C. Periodic updates include a full copy of the data that is subscribed to.
D. The primary push update is sent immediately and cannot be delayed.
Correct Answer: C
Periodic updates contain a full copy of the subscribed data element or table for all supported transport protocols
Question 6:
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. intermediate nodes
D. edge nodes
Correct Answer: A
Question 7:
Which Cisco product were incorporated into Cisco ISE between ISE releases 2.0 and 2.3?
A. Cisco ESA
B. Cisco ASA
C. Cisco ACS
D. Cisco WSA
Correct Answer: C
Question 8:
Which PIM mode uses a shared tree only?
A. bidirectional
B. sparse
C. dense
D. source-specific
Correct Answer: A
In bidirectional mode, traffic is routed only along a bidirectional shared tree that is rooted at the rendezvous point (RP) for the group https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipmulti_pim/configuration/xe-16/imc-pim-xe-16-book/imc-tech-oview.html
Question 9:
When a network is designed using IS-IS protocol, which two circuit types are supported? (Choose two.)
A. nonbroadcast multiaccess
B. multiaccess
C. point-to-multipoint
D. nonbroadcast
E. point-to-point
Correct Answer: BE
Question 10:
An architect must address sustained congestion on the access and distribution uplink of network. QoS has already been implemented and optimized, but it is no longer effective in ensuring optimal network performance. Which two solutions should the architect use to improver network performance? (Choose two)
A. Reconfigure QoS based on the IntServ model
B. Utilize random early detection to manage queues
C. Implement higher-speed uplink interfaces
D. Bundle additional uplinks into logical EtherChannels
E. Configure selective packet discard to drop noncritical network traffic.
Correct Answer: CD
Question 11:
An engineer uses Postman and YANG to configure a router with:
1.
OSPF process ID 400
2.
network 192.168.128.128/25 enabled for Area 0
Which get-config reply verifies that the model set was designed correctly?
A. Option A
B. Option B
C. Option C
D. Option D
Correct Answer: B
Question 12:
A network engineer must connect two sites across a public network using a secure tunneling technology that supports multicast traffic. Which technology must be chosen?
A. IPsec
B. GRE
C. PPTP
D. GRE over IPsec
Correct Answer: D
Question 13:
Which three ways are SD-Access and ACI Fabric similar? (Choose three.)
A. use of Virtual Network IDs
B. use of Endpoint Groups
C. use of group policy
D. use of Scalable Group Tags
E. focus on user endpoints
F. use of overlays
Correct Answer: ADF
Question 14:
What statement is true regarding the current time in Enterprise Networking history?
A. advent of IoT
B. technology pace of change
C. pervasive use of mobile devices
D. advent of cloud computing
Correct Answer: B
Question 15:
Which two LISP components are required in the Cisco SD-Access fabric control plane node? (Choose two.)
A. Proxy ETR
B. Engress Tunnel Router
C. Map-Server
D. Map-Resolver
E. Ingres Tunnel Router
Correct Answer: CD
…
Tips to Prepare Effectively
- Align Your Study Plan with the Blueprint
Use Cisco’s published exam topics to structure weekly goals. Focus on one domain at a time and don’t neglect emerging areas like telemetry and automation. - Blend Theory and Hands-On Design
Reading alone isn’t enough. Build design labs using simulators or real gear (GNS3, Packet Tracer, etc.) and work on case studies that reflect enterprise-scale scenarios. - Use High-Quality Practice Questions
You have your own 15 sample questions — great. But combine them with realistic Leads4Pass 300-420 dumps (from trusted providers) to cover all blueprint areas. - Manage Time During the Exam
With 90 minutes for ~60 questions (per some sources) Cisco Exam, pacing is critical. Practice under timed conditions so you’re ready for the real thing. - Track Blueprint Updates
Cisco occasionally tweaks its exams. Regularly check the official 300-420 blueprint and stay active in professional forums.
Why 300-420 dumps Matter — Responsibly
Cisco 300-420 Practice questions help you internalize design goals, test your ability to reason, and sharpen your exam-taking skills.It’s essential to choose trusted resources that simulate real exam conditions.
Leads4Pass 300-420 Exam Preparation Resources
I recommend Leads4Pass because they offer the latest resources for a wide range of exams.Their exam materials is frequently updated, and many users consider it a core part of their study plan—as a supplement to their own practice questions and lab designs—making it a powerful learning tool.
Leads4Pass Advantages:
- Cisco 300-420 dumps updated in sync with the latest exam syllabus
- Most difficult questions provide detailed explanations, not just answers.
- Regularly updated throughout the year
How to integrate Leads4Pass learning materials into your study plan:
- Practice concepts with 15 sample questions
- Practice timed mock exams using the Leads4Pass 300-420 dumps (395 Q&A).
- Analyze your weaknesses and adjust your study focus accordingly
Looking Forward: 2026 & Beyond
As of late 2025, enterprise network design is shifting fast. Here’s what might be coming (and why mastering 300-420 now sets you up well):
- Increased Automation & Telemetry: With more networks using model-driven telemetry, future Cisco exams may place even more emphasis on YANG, NETCONF/RESTCONF, and real-time monitoring.
- Software-Defined Access (SDA): SDA fabric design is already central — its role will likely grow, meaning design certifications will remain valuable.
- Integration with Cloud / Hybrid Architectures: As enterprises move more workloads to hybrid cloud, the ability to design scalable, high-availability network services will be even more critical.
- Recertification Strategy: Passing 300-420 gives you a Specialist badge and counts toward CCNP Enterprise, positioning you well for future Cisco certs or recertification cycles.
Conclusion
Prepare for the Cisco 300-420 ENSLD exams in 2025-2026. Enhance your preparation by adjusting your study strategies to align with the latest exam syllabus (v1.1) and leveraging high-quality learning resources (300-420 dumps: https://www.leads4pass.com/300-420.html), helping candidates pass on their first attempt.
As enterprise networks continue to evolve towards automation and software-defined architectures in 2026 and beyond, mastering the 300-420 exam now will lay a solid foundation for your future Cisco certifications and real-world network design work.
Frequently Asked Questions
How do I combine my 15 practice questions with larger exam questions?
First, use these practice questions to get a feel for the test, then gradually add more timed practice questions to build up practice and simulate the exam environment.
Is the 300-420 exam likely to change before 2026?
While Cisco does update exam blueprints periodically, the current version (v1.1) is stable, and major changes aren’t expected before early 2026.
Can I pass 300-420 using only dumps / practice tests?
Leads4Pass 300-420 dumps offers three learning modes. Selecting PDF is the most cost-effective way to pass. Selecting VCE helps you build a study plan that not only helps you pass the exam but also improves your skills. Choosing either mode allows you to study in various environments, making it convenient and efficient.
How long should I study for ENSLD if I already have CCNP Enterprise core knowledge?
A focused 3–6 week plan (part-time) is realistic if you blend reading, design labs, and exam simulations.
Will mastering 300-420 help me in future Cisco certs?
Yes. The design principles, automation skills, and architectural thinking you build for ENSLD will be valuable for advanced roles and future certifications.
