Cisco 300-420 : Designing Cisco Enterprise Networks

300-420 real exams

Exam Code: 300-420

Exam Name: Designing Cisco Enterprise Networks

Updated: Oct 20, 2026

Q & A: 457 Questions and Answers

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About Cisco 300-420 Exam

Know about the benefit in Obtaining the Cisco 300-420 Exam

  • Cisco 300-420 enhances professional credibility of aspirants and hence ameliorate career opportunities-promotion, increase in pay, job portability

  • CCNP Enterprise, Cisco 300-420 - Enterprise Design Certification provides practical experience to candidates from all the aspects to be a proficient worker in the organization.

  • CCNP Enterprise, Cisco 300-420 - Enterprise Design has the skills and knowledge to use the tools to complete the task efficiently and cost effectively than the other non-certified professionals lack in doing so.

  • Cisco Certified Specialist have an edge among competitors and peers. As Cisco 300-420 certification serves as portable proof of skill and ability.

  • CCNP Enterprise, Cisco 300-420 - Enterprise Design certified will be confident and stand different from others as their skills are more trained than non-certified professionals.

Reference: https://www.cisco.com/c/en/us/training-events/training-certifications/exams/current-list/ensld-300-420.html

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WAN for Enterprise Networks

This topic focuses on 20% of the overall content and validates the applicants’ competence in the following areas:

  • Designing site-to-site VPN, such as DMVPN, MPLS L3 VPN, L2 VPN, IPsec, GET VPN & GRE;
  • Explaining the design considerations for Cisco SD-WAN (LAN design, control plane design, overlay design, scalability, redundancy, high availability, security design, multicast & QoS over the SD-WAN fabric).
  • Comparing the connectivity options for WAN, including MPLS L3 VPN, L2 VPN, 4G/5G, DWDM, Metro Ethernet, and SD-WAN customer edge;
  • Designing high availability for enterprise WAN, covering failover, multihomed, backup connectivity, as well as single-homed;
  • Explaining the architecture for Cisco SD-WAN, including management plane orchestration plan, data plane, security, control plane, provisioning, and on-boarding;

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Cisco 300-420 Exam Syllabus Topics:

SectionObjectives
WAN and Edge Connectivity Design- SD-WAN architecture and design considerations
- Traditional WAN and internet edge design
Network Automation and Programmability- Controller-based networking design
- API-driven network automation concepts
Security Design in Enterprise Networks- VPN and perimeter security architecture
- Segmentation and access control design
Network Services Design- Routing protocols design (OSPF, EIGRP, BGP)
- Multicast and QoS design considerations
Enterprise Network Design Principles- Design methodologies and best practices
- Scalability and high availability design
Enterprise Campus Network Design- Spine-leaf and hierarchical design models
- Campus LAN architecture

Cisco Designing Cisco Enterprise Networks Sample Questions:

Question #1

A company has many spoke sites with two data centers. The company wants to exchange the routing information between the data centers and the spoke sites using EIGRP. All locations belong to a single AS, and auto-summarization is disabled. Which two actions must the company choose? (Choose two.)

  • A. Exchange all routes between locations.
  • B. Make each spoke site router a stub router.
  • C. Split the network into two separate ASs.
  • D. Summarize the routes between the hubs.
  • E. Summarize the routes from spokes to the hubs.
Reveal Solution  Discussion  0

Correct Answer: B,E  🗳️

Question #2

What are two characteristics of a migration from an IP-VPN service to a Cisco SD-WAN architecture? (Choose two.)

  • A. centralized application policies
  • B. increased security
  • C. distributed control plane
  • D. increased scalability
  • E. increased solution complexity
Reveal Solution  Discussion  0

Correct Answer: A,D  🗳️

Question #3

An engineer must configure EIGRP to ensure that all WAN routes are not advertised to the routers in a data center.
Which action must be taken?

  • A. Configure the stub router in receive-only mode.
  • B. Advertise only the default route.
  • C. Configure the stub router in redistributed mode.
  • D. Summarize the local subnets.
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

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Question #4

Refer to the exhibit. Where must an architect plan for route summarization for the topology?

  • A. from the aggregation toward the access and the access toward the aggregation
  • B. from the aggregation toward the core and the aggregation toward the access
  • C. from the core toward the aggregation and the aggregation toward the core
  • D. from the core toward the aggregation and the access toward the aggregation
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Question #5

Which two statements are true regarding Cisco ISE? (Choose two.)

  • A. An ISE deployment requires only a Cisco Access Control System appliance.
  • B. Without integration with any other product ISE can track the actual physical location of a wireless endpoint as it moves.
  • C. ISE can provide data about when a specific device connected to the network.
  • D. The major business outcomes of ISE are enhanced user experience and secure VLAN segmentation.
  • E. ISE plays a critical role in SD-Access.
Reveal Solution  Discussion  0

Correct Answer: C,E  🗳️

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