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| Certification Vendor: | Cisco |
|---|---|
| Exam Name: | Designing Cisco Enterprise Networks |
| Exam Number: | 300-420 ENSLD |
| Exam Duration: | 90 minutes |
| Exam Price: | USD 400 |
| Exam Format: | Multiple choice, Simulations, Scenario-based, Drag-and-drop |
| Related Certifications: | Cisco Certified Specialist โ Enterprise Design Cisco Certified Network Professional (CCNP) Enterprise |
| Real Exam Qty: | 55โ65 |
| Available Languages: | English, Japanese |
| Passing Score: | Pass/Fail |
| Certificate Validity Period: | 3 years |
| Recommended Training: | Designing Cisco Enterprise Networks (ENSLD) Official Training |
| Exam Registration: | Pearson VUE Cisco Official Registration |
| Sample Questions: | Cisco 300-420 Sample Questions |
| Exam Way: | Online proctored or in-person at authorized test centers |
| Pre Condition: | Recommended: Implementing and Operating Cisco Enterprise Network Core Technologies (350-401 ENCOR) or equivalent knowledge |
| Official Syllabus URL: | https://www.cisco.com/c/en/us/training-events/training-certifications/exams/current-list/ensld-300-420.html |
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The Cisco 300-420 Exam is intended for network engineers, network architects, and other IT professionals who are responsible for designing and implementing enterprise networks. It is a comprehensive exam that covers a wide range of topics, including network infrastructure, network security, network services, and network management.
Cisco 300-420 exam is an excellent certification for network architects, network engineers, and other IT professionals who are interested in designing and implementing enterprise networks. It is a challenging exam that requires a deep understanding of enterprise network design principles and best practices. However, by passing the exam, you will demonstrate your expertise in enterprise network design, which will help you advance your career and open up new opportunities in the IT industry.
NEW QUESTION # 163
An architect must design a topology for a WAN network that satisfies these requirements:
* Devices must be able to make informed decisions.
* Suboptimal paths are allowed only In case of a failure.
* Backup paths must always be available.
Which topology must the architect select?
Answer: A
Explanation:
A full-mesh topology best satisfies the requirement that devices make informed forwarding decisions, backup paths always exist, and suboptimal paths are used only after a failure. In a full mesh, each site or WAN node has direct connectivity to every other relevant node. This gives the routing protocol complete path visibility and allows traffic to use direct optimal paths under normal conditions. If a direct link fails, alternate paths remain available through other nodes, so the network can reroute without depending on a single hub. A hub- and-spoke design is simpler and less expensive, but spoke-to-spoke traffic must traverse the hub, which is suboptimal even during normal operation. A partial mesh can reduce cost but may still force some traffic over indirect paths when no direct connection exists. Clos is a data center fabric topology concept and is not the typical WAN topology answer here. The full mesh is the most resource-intensive design, but it best matches the stated forwarding and backup requirements. Reference topics: WAN topology, full mesh, path optimality, backup paths, routing convergence.
NEW QUESTION # 164
Refer to the exhibit. ISP_C is enabling IPTV services to ISP_A and ISP_B. IPTV services are launched with GLOP IP address range - 233.3.1.0/24. PIM-SM already has been enabled globally in each ISP network. RP functions have been configured on edge routers in each autonomous system. ISP_C must implement a connection based on RFC 3618. Which solution achieves this goal?
Answer: A
Explanation:
MSDP is used with PIM-SM to share active multicast source information between rendezvous points in different autonomous systems. This allows receivers in one ISP network to discover and join multicast sources located in another ISP network for the IPTV service.
NEW QUESTION # 165
Refer to the exhibit.
A customer is running HSRP on the core routers. Over time the company has grown and requires more network capacity. In the current environment, some of the downstream interfaces are almost fully utilized, but others are not. Which solution improves the situation?
Answer: B
NEW QUESTION # 166
What is a challenge of the SaaS model?
Answer: A
NEW QUESTION # 167 
Refer to the exhibit. An architect must ensure a convergence time of 200 ms or less during a link failure within area 0. In addition, the solution must not impact the overall performance of the network. Which solution must the architect select?
Answer: B
NEW QUESTION # 168
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