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300-420 Exam Dumps - Designing Cisco Enterprise Networks (ENSLD)

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Question # 65

What is the purpose of an edge node in an SD-Access network fabric?

A.

Edge nodes identify and authenticate endpoints and register endpoint information with control plane nodes.

B.

Edge nodes track endpoint IDs to location mappings, along with IPv4, IPv6, or MAC addresses.

C.

Edge nodes are the gateway between the fabric domain and network outside of the fabric.

D.

Edge nodes resolve lookup requests from edge and border nodes to locate destination endpoint IDs.

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Question # 66

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

A.

to facilitate WAN Edge router redundancy within a site

B.

to identify the physical interface where a WAN Edge router connects to the WAN transport network

C.

to expand the number of colors that are potentially applied to a network transport interface

D.

to aggregate multiple physical interfaces into a single logical Interface

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Question # 67

Which feature is used to optimize WAN bandwidth of IGMP network traffic among WAN Edge routers in the

same VPN?

A.

IGMPv2

B.

multicast RP

C.

multicast-replicator

D.

multicast service routes

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Question # 68

An engineer must design a scalable QoS architecture that allows the separation of the traffic into classes on predefined business requirements. The design must also utilize the differentiated services code points as the QoS priority descriptor value and support at least 10 levels of classification. Which QoS technology should the engineer include in the design?

A.

RSVP

B.

Diffserv

C.

Best effort

D.

Interserv

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Question # 69

Refer to the exhibit. A network architect is preparing a network design based on the EIGRR Routers are connected using a cat6a cable type and the inter-router connection speed is limited to 10 Mbps due to distance. During the pilot phase, a DUAL-3-SIA error message is visible. Which action must the engineer take to create a stable design?

A.

Enable poison reverse on R4.

B.

Configure STUB area on R4.

C.

Create a summary route on R2.

D.

Disable split horizon on R1.

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Question # 70

A network engineer must design a multicast solution to prevent the spoofing of multicast streams and ensure efficient bandwidth utilization. The network will be merged with another multicast domain in the future, and the merge must require minimum effort. Which two solutions meet the customer requirements? (Choose two.)

A.

PIM-SSM

B.

IGMPv3

C.

IGMPv2

D.

PIM-SM

E.

MSDP

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Question # 71

Refer to the exhibit. A company has some offices that are connected via dark fiber in New York. A network architect must optimize the network design based on the EIGRP routing protocol. The network has hierarchical addressing between 10 and 12 routers in each office. Routing convergence time must be at the minimum. What must the network architect do to reduce the query range?

A.

Configure stub areas on non-edge routers.

B.

Implement network summarization on edge routers.

C.

Use different EIGRP processes on edge routers.

D.

Configure route filtering on non-edge routers.

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Question # 72

What is the role of a control-plane node in a Cisco SD-Access architecture?

A.

fabric device that connects wired endpoints to the SD-Access fabric

B.

map system that manages endpoint to device relationships

C.

fabric device that connects APs and wireless endpoints to the SD-Access fabric

D.

map system that manages External Layer 3 networks

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