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Cisco 300-420 (Designing Cisco Enterprise Networks) Certification Exam is a professional-level certification exam that focuses on the design of enterprise-level networks using Cisco technologies. 300-420 exam is intended for enterprise network designers and architects who are responsible for designing and implementing complex network solutions. Successful completion of 300-420 Exam will demonstrate your knowledge and understanding of the latest Cisco technologies and best practices for designing enterprise networks.

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Cisco 300-420 exam, also known as Designing Cisco Enterprise Networks (ENSLD), is a certification exam that validates the knowledge and skills of candidates in designing enterprise-level networks. 300-420 exam is intended for network architects, network designers, and network engineers who are responsible for designing and implementing enterprise networks. The Cisco 300-420 Exam is one of the core exams required for obtaining the Cisco Certified Network Professional (CCNP) Enterprise certification.

Cisco Designing Cisco Enterprise Networks Sample Questions (Q41-Q46):

NEW QUESTION # 41
An enterprise customer has these requirements:
* end-to-end QoS for the business-critical applications and VoIP services based on CoS marking.
* flexibility to offer services such as IPv6 and multicast without any reliance on the service provider.
* support for full-mesh connectivity at Layer 2.
Which WAN connectivity option meets these requirements?

A. VPLS
B. MPLS VPN
C. VPWS
D. DMVPN

Answer: A

NEW QUESTION # 42
Which design consideration should be observed when EIGRP is configured on Data Center switches?

A. Lower EIGRP hello and hold timers to their minimum settings to ensure rapid route reconvergence.
B. Perform manual summarization on all Layer 3 interfaces to minimize the size of the routing table.
C. Prevent unnecessary EIGRP neighborships from forming across switch virtual interfaces.
D. Configure multiple EIGRP autonomous systems to segment Data Center services and applications.

Answer: B

NEW QUESTION # 43
What is the purpose of a TLOC extension in a Cisco SD-WAN network fabric?

A. to expand the number of colors that are potentially applied to a network transport interface
B. to facilitate WAN Edge router redundancy within a site
C. to aggregate multiple physical interfaces into a single logical Interface
D. to identify the physical interface where a WAN Edge router connects to the WAN transport network

Answer: B

Explanation:
A TLOC extension facilitates WAN Edge router redundancy within a site. In Cisco SD-WAN, a Transport Location identifies a WAN transport attachment using attributes such as system IP, color, and encapsulation.
A TLOC extension allows one WAN Edge router to use a transport circuit physically connected to another WAN Edge router at the same site. This is valuable when a branch has two edge routers and two transports, but each transport is cabled to only one router. With TLOC extension, each router can still gain logical access to both transports, improving redundancy and allowing better path diversity without adding more service- provider circuits or handoffs. The feature does not simply identify the physical interface; that is part of TLOC definition. It does not increase the number of colors or create a port-channel-style aggregate. A sound design also accounts for failure domains, service-side routing, and whether the inter-router link has enough bandwidth for extended transport traffic. Reference topics: Cisco SD-WAN TLOC, TLOC extension, WAN Edge redundancy, transport color, branch resiliency.

NEW QUESTION # 44
Which two functions is the Cisco SD-Access Edge Node responsible for? (Choose two.)

A. Act as LISP proxy tunnel router
B. Act as anycast layer 3 gateway
C. Advertise EID subnets
D. Map users to virtual network
E. Route and transport IP traffic

Answer: B,D

Explanation:
Explanation
https://www.cisco.com/c/en/us/td/docs/solutions/CVD/Campus/cisco-sda-design-guide.html#EdgeNode

NEW QUESTION # 45
How do IETF, OpenConfig, and Cisco native YANG models differ when used to configure the same feature on an infrastructure device?

A. Cisco native models are less comprehensive than QpenConfig.
B. Cisco native models are less comprehensive than IETF.
C. OpenConfig models are more comprehensive than IETF.
D. IETF models are more comprehensive than OpenConfig.

Answer: C

NEW QUESTION # 46
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