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Cisco 300-420 exam is a certification exam that tests the knowledge and skills required to design and implement Cisco enterprise networks. 300-420 exam is intended for network professionals who are responsible for designing and implementing enterprise networks using Cisco technologies. 300-420 Exam is a comprehensive test of the candidate's understanding of network design principles, protocols, and technologies.

Cisco Designing Cisco Enterprise Networks Sample Questions (Q392-Q397):

NEW QUESTION # 392
Refer to the exhibit.

An architect is designing an EIGRP solution based on these requirements:
* Traffic forwarding should use the best two paths while all links are available
* Single path failure must not impact traffic between branch and HQ
Which solution must the architect select?

Answer: B

Explanation:
ENSLD cert guide page 113. shortest path = 900, next 1700 and finally 3300 for the worst path. Witch variance 2, all routes under 1800 (900x2) become active.


NEW QUESTION # 393
Which element in a Cisco SD-WAN architecture maintains a centralized routing table?

Answer: A

Explanation:
The vSmart controller is the Cisco SD-WAN control-plane element that maintains centralized routing and policy information. WAN Edge routers form secure control connections to vSmart, and vSmart distributes OMP routes, TLOC information, service routes, and policy information across the overlay. It does not forward user traffic in the data plane; forwarding is performed by the WAN Edge routers. It also does not provide the primary management GUI, because that role belongs to vManage. vBond handles orchestration, authentication facilitation, and NAT traversal during control-plane bring-up, not the centralized routing table.
The importance of vSmart in the design is that it removes the need for every WAN Edge router to maintain complex direct control-plane relationships with every other edge. It also enforces centralized control policy, which determines which routes and paths are available to which sites. Reference topics: Cisco SD-WAN architecture, vSmart controller, OMP, centralized route table, control policy, WAN Edge. This preserves scalable WAN control-plane behavior.


NEW QUESTION # 394
Refer to the exhibit.

Refer to the exhibit. An engineer is designing a BGP solution for a client that peers with ISP1 for full Internet connectivity and with ISP2 for direct exchange of routes for several third parties. Which action, when implemented on the edge routers, enables the client network to reach the Internet through ISP1?

Answer: D


NEW QUESTION # 395
An engineer must propose a solution for a campus network that includes the capability to create multiple Layer 3 virtual networks. Each network must have its own addressing structure and routing table for data forwarding. The solution must be scalable to support hundreds of virtual networks and allow simple configuration and management with minimal administrative overhead.
Which solution does the engineer recommend?

Answer: D

Explanation:
Table 1 Network Virtualization Technique Comparison Chart

https://www.cisco.com/c/en/us/td/docs/solutions/Enterprise/Campus/Network_Virtualization/sccso lover.html


NEW QUESTION # 396
An engineer must design an addressing plan for a small business using a single /24 network. Each department must have its own subnet. Drag and drop the subnets from the left onto the departments requirements that they fulfill on the right. Not all options are used.

Answer:

Explanation:


NEW QUESTION # 397
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