Try and practice the latest Cisco : 300-420 real questions & answers
Last Updated: Oct 14, 2026
No. of Questions: 457 Questions & Answers with Testing Engine
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Cisco 300-420 Exam Overview:
| Certification Vendor: | Cisco |
|---|---|
| Exam Name: | Designing Cisco Enterprise Networks (ENSLD) |
| Exam Number: | 300-420 ENSLD |
| Real Exam Qty: | 55-65 |
| Related Certifications: | CCIE Enterprise Infrastructure CCNP Enterprise |
| Exam Duration: | 90 minutes |
| Exam Format: | Multiple response, Drag and drop, Simulation-based questions, Multiple choice |
| Certificate Validity Period: | 3 years |
| Available Languages: | Japanese, Simplified Chinese, English |
| Exam Price: | $300 USD |
| Recommended Training: | Cisco Official Training (Designing Cisco Enterprise Networks) Cisco Learning Network - ENSLD |
| Exam Registration: | Cisco Certification Exam Registration Pearson VUE Cisco Exams |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Available via Pearson VUE test centers or online proctored exam |
| Pre Condition: | No formal prerequisites required. Recommended: CCNA-level knowledge and CCNP Enterprise core exam (350-401 ENCOR). |
| Official Syllabus URL: | https://www.cisco.com/c/en/us/training-events/training-certifications/exams/current-list/300-420-ensld.html |
Cisco 300-420 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Network Services Design | - Multicast and QoS design considerations - Routing protocols design (OSPF, EIGRP, BGP) |
| Topic 2: Network Automation and Programmability | - Controller-based networking design - API-driven network automation concepts |
| Topic 3: Enterprise Campus Network Design | - Campus LAN architecture - Spine-leaf and hierarchical design models |
| Topic 4: Enterprise Network Design Principles | - Design methodologies and best practices - Scalability and high availability design |
| Topic 5: Security Design in Enterprise Networks | - Segmentation and access control design - VPN and perimeter security architecture |
| Topic 6: WAN and Edge Connectivity Design | - Traditional WAN and internet edge design - SD-WAN architecture and design considerations |
300-420 Exam Details and Candidate Protections
Cisco specifies the following prerequisites for the Cisco Designing Cisco Enterprise Networks: No formal prerequisites required. Recommended: CCNA-level knowledge and CCNP Enterprise core exam (350-401 ENCOR)..
Confirm the authoritative details on the official certification page before you register.
Written and dependable. If you fail the corresponding exam within 60 days of purchase, send us a scanned copy of your enrollment slip and your official Score Report PDF within two days of the exam date; verified claims are refunded in full within seven days. Exclusions: exams taken within three days of purchase, candidate names that differ from the payer, and free or expired products. Prefer to keep preparing? Exchange your product for two others of equal value at no charge.
The Cisco Designing Cisco Enterprise Networks blueprint centers on these principal domains:
- WAN and Edge Connectivity Design
- Enterprise Campus Network Design
- Network Automation and Programmability
Further domains complete the official outline, and our question bank spans every one.
By understanding the constraint first: most of our candidates are office workers, so the 300-420 bank is elaborately designed for efficiency — focused content with expert-verified answers across the Cisco Designing Cisco Enterprise Networks objectives, no filler. Safety is engineered in too: payment runs through Credit Card, the world's reliable payment platform, safeguarding the transaction and protecting your interests, so you can buy without misgivings. And because an electronic product cannot be touched before purchase, a free trial download of real bank content lets you see it first — with 24/7 customer service agents ready for any contingency afterward.
Cisco recommends these official training options:
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According to the latest exam information, the 300-420 exam includes 55-65 questions and lasts 90 minutes minutes. Practicing under the same limit builds the pacing confidence you will want on the day.
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Cisco Designing Cisco Enterprise Networks Sample Questions:
An engineer must connect a new remote site to an existing OSPF network. The new site consists of two low-end routers, one for WAN, and one for LAN. There is no demand for traffic to pass through this area. Which area type does the engineer choose to provide minimal router resources utilization, while still allowing for full connectivity to the rest of the network?
- A. stubby area
- B. totally not so stubby
- C. totally stubby area
- D. not so stubby
Correct Answer: C 🗳️
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What is a feature of the SaaS subscription model?
- A. lower initial costs
- B. autonomy and control over hardware
- C. access to industrial-strength storage and computing power
- D. web connection not required
Correct Answer: A 🗳️
Which two options are primary functions of Cisco ISE? (Choose two.)
- A. enforcing endpoint compliance with network security policies
- B. automatically enabling, disabling or reducing allocated power to certain devices
- C. providing information about every device that touches the network
- D. enabling WAN deployment over any type of connection
- E. allocating cloud resources
- F. providing encryption for any type of mobile devices
Correct Answer: A,C 🗳️
Refer to the exhibit. A Cisco Catalyst switch is configured to allow only one MAC address to be learned manually on interface gig0/2. Which command must be run to dynamically learn the devices that are connected to the switch port?
- A. switchport port-security mac-address auto
- B. switchport port-security maximum 1 auto
- C. switchport port-security mac-address sticky
- D. switchport port-security aging
Correct Answer: C 🗳️
What is the purpose of Cisco vBond as a Session Traversal Utilities for NAT server?
- A. allow Cisco Catalyst SD-WAN routers to locate their own mapped IP addresses
- B. provide Zero-Touch Provisioning to Cisco Catalyst SD-WAN vEdge devices
- C. integrate Cisco SD-Access Wireless into the fabric
- D. secure data traffic between Cisco Catalyst SD-WAN edge routers that use IPsec
Correct Answer: B 🗳️
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