Free 300-420: Designing Cisco Enterprise Networks (ENSLD) Exam Questions and Answers
Designing Cisco Enterprise Networks (ENSLD) is exam 300-420, part of Cisco certifications. In Cisco's current scheme the first digit gives the level: 100 is entry, 200 associate, 300 the CCNP concentration exams, 350 the CCNP core exams that also qualify you for CCIE, 500 specialist and 700 the unproctored sales exams. Older codes such as 400-, 640- and 642- predate the February 2020 restructure, when every CCNA track was collapsed into one exam and CCNP moved to a core-plus-concentration model.
The first 10 questions on this page are free to read, answers included — no account and no card. A plan opens the rest of the bank, the full timed practice test and your weak-topic reporting.
Last updated: September 14, 2026
- Exam code
- 300-420
- Provider
- Cisco
- Questions in our bank
- 1000+
- Free to read
- First 10, with answers
- Official page
- Official Exam website
- Our test mode duration & pass mark
- 130 mins · 70%
Recommended: Switch to Test Mode to start a practice test that simulates the real exam experience.
Question #1
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?
Please select an optionIncorrectCorrect answer: D
Was this answer correct?Question #2
Which method will filter routes between EIGRP neighbors within the same autonomous system?
Please select an optionIncorrectCorrect answer: A
Was this answer correct?Question #3
A customer is discussing QoS requirements with a network consultant. The customer has specified that endto- end path verification is a requirement. Which QoS solution meets this requirement?
Please select an optionIncorrectCorrect answer: C
Was this answer correct?Question #4
A network architect is designing a campus network with multiple buildings. Which design element should be prioritized for inter-building communication?
Please select an optionIncorrectCorrect answer: B
Layer 3 Routing is essential for scaling communication across multiple buildings in a campus environment.
Was this answer correct?Question #5
In a design scenario, a company needs to enhance its WAN performance. Which technology should be implemented?
Please select an optionIncorrectCorrect answer: C
MPLS (Multiprotocol Label Switching) is used to improve the performance of WANs by optimizing the flow of data.
Was this answer correct?Question #6
A business is seeking redundancy in its data center design. Which approach would provide the best fault tolerance?
Please select an optionIncorrectCorrect answer: B
Active-Active Clustering allows multiple systems to operate simultaneously, offering better fault tolerance in data centers.
Was this answer correct?Question #7
For a new building project, what should be assessed first before deciding on the network design?
Please select an optionIncorrectCorrect answer: D
Understanding Business Needs is crucial for designing an appropriate network that aligns with company goals and user requirements.
Was this answer correct?Question #8
A company is implementing a secure SD-WAN. What is the primary benefit of this technology?
Please select an optionIncorrectCorrect answer: D
Secure SD-WAN provides better security protocols to safeguard data flows between branch offices and the central network.
Was this answer correct?Question #9
A network designer must ensure high availability for an enterprise WLAN. What should be included in the design?
Please select an optionIncorrectCorrect answer: D
Access Point (AP) Redundancy is crucial for maintaining high availability in enterprise WLAN configurations.
Was this answer correct?Question #10
When designing a remote site connection, which IP service should be considered to provide optimal performance?
Please select an optionIncorrectCorrect answer: D
Quality of Service (QoS) ensures optimal performance by prioritizing critical applications over others in network traffic.
Was this answer correct?
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FAQ
Learn More: https://www.cisco.com/site/us/en/learn/training-certifications/certifications/index.html
- Q1: What is the 300-420: Designing Cisco Enterprise Networks (ENSLD) exam?
- A: 300-420: Designing Cisco Enterprise Networks (ENSLD) is a Cisco certification exam. Judging by the questions in our bank, it concentrates on designer, campus, architect, building and provider.
- Q2: What topics does the 300-420: Designing Cisco Enterprise Networks (ENSLD) exam cover?
- A: Questions in our 300-420: Designing Cisco Enterprise Networks (ENSLD) bank cluster around designer, campus, architect, building, provider, enterprise and deploy. Working through the full set is the quickest way to find which of these you are weakest on.
- Q3: How should I prepare for 300-420: Designing Cisco Enterprise Networks (ENSLD)?
- A: Work through the 300-420: Designing Cisco Enterprise Networks (ENSLD) practice questions here, checking your answer on each one, then sit the practice test to rehearse the exam under timed conditions before the real thing.
- Q4: Are these real 300-420: Designing Cisco Enterprise Networks (ENSLD) exam questions?
- A: They are drawn from officially released past questions and from community members who have sat 300-420: Designing Cisco Enterprise Networks (ENSLD). Answers are verified and updated weekly.
- Q5: Where do I register for the 300-420: Designing Cisco Enterprise Networks (ENSLD) exam?
- A: Register through Cisco directly at https://www.cisco.com/site/us/en/learn/training-certifications/certifications/index.html. Exampractice is not affiliated with Cisco and does not administer the exam.
- Q6: Is there a free 300-420: Designing Cisco Enterprise Networks (ENSLD) sample?
- A: Yes. Every 300-420: Designing Cisco Enterprise Networks (ENSLD) page shows a free sample of real questions. Upgrading opens the full bank and the practice test.
- Q7: What are Cisco Certification Exams?
- A: Cisco Certification Exams validate your expertise in using and managing Cisco networking and IT solutions. These certifications demonstrate your proficiency in designing, implementing, and troubleshooting Cisco-based networks and systems, covering areas such as routing and switching, security, wireless, data center, and collaboration.
- Q8: Why should I pursue Cisco Certification?
- A: Cisco Certification enhances your professional credibility, showcasing your skills and knowledge in Cisco technologies. This can lead to better job opportunities, higher salaries, and career advancement in networking and IT industries.
- Q9: What are the benefits of Cisco Certification?
- A: Benefits include recognition as a certified networking professional, improved job performance, access to exclusive resources, continuing education opportunities, and staying current with the latest Cisco technologies and best practices.
- Q10: Who should take Cisco Certification Exams?
- A: Network engineers, system administrators, IT professionals, and anyone involved in designing, implementing, and managing network solutions using Cisco products should consider these certifications to validate their expertise and advance their careers.
- Q11: What types of Cisco Certification Exams are available?
- A: Cisco offers various certification paths, including:
- Q12: How do I prepare for Cisco Certification Exams?
- A: Preparation can include official Cisco training courses, study guides, practice exams, online tutorials, and hands-on experience with Cisco networking equipment and solutions.
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- A: Cisco Certification Exams can be taken at authorized Pearson VUE testing centers worldwide or online, providing flexibility to fit your schedule and location.
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- A: Cisco Certifications significantly boost your career by demonstrating your expertise to employers, making you a more competitive candidate for advanced roles and promotions in networking and IT.
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- A: Some exams may have prerequisites, such as foundational knowledge or prior certifications. Check the specific requirements for each certification path on the Cisco website.
- Q16: How often do I need to recertify for Cisco Certifications?
- A: Cisco Certifications typically require recertification every three years to ensure that certified professionals stay updated with the latest networking technologies and industry practices.