최신버전300-420시험기출문제시험덤프문제

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Cisco 300-420 Exam Syllabus Topics:

Section	Weight	Objectives
Advanced Addressing and Routing Solutions	25%	- IPv4 and IPv6 addressing design 1. Structured addressing plans 2. Route summarization and aggregation - Routing protocol design 1. Route redistribution and filtering 2. IS-IS design 3. OSPF design 4. EIGRP design
Software-Defined Access (SDA)	5%	- Fabric design and deployment - SD-Access architecture - Control plane and data plane design
Security Services	10%	- Security architecture design 1. Threat defense integration 2. Network segmentation - Secure connectivity
Network Services	15%	- Multicast design - IP services 1. DHCP, DNS, NAT - Quality of Service (QoS) 1. Policing, shaping, congestion management 2. Classification and marking
WAN for Enterprise Networks	20%	- WAN resiliency and high availability - VPN design 1. Site-to-site VPN 2. DMVPN, L2VPN, L3VPN - WAN connectivity options 1. SD-WAN architecture and design 2. MPLS, Metro Ethernet, 4G/5G
Advanced Enterprise Campus Networks	25%	- Layer 3 campus design 1. Routing in campus infrastructure 2. Virtualization and segmentation - Wireless integration - Layer 2 campus design 1. Spanning Tree Protocol optimization 2. Hierarchical architecture 3. VLAN and trunking design

>> 300-420시험기출문제 <<

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최신 CCNP Enterprise 300-420 무료샘플문제 (Q438-Q443):

질문 # 438
Which two statements are true regarding SD-WAN demonstrations? (Choose two.)

A. As a Cisco SD-WAN SE you should you should spend your time learning about the technology rather than contributing to demo innovation.
B. There is a big difference between demos that use a top down approach and demos that use a bottom up approach
C. During a demo, you should demonstrate and discuss what the team considers important details
D. During a demo, you should consider the target audience and the desired outcome
E. Use demonstrations primarily for large opportunities and competitive situations

정답：B,D

질문 # 439
Which control-plane technology allows the same subnet to exist across multiple network locations?

A. VXLAN
B. FabricPath
C. ISE mobility services
D. LISP

정답：D

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

질문 # 440
A company's security policy requires that all connections between sites be encrypted in a manner that does not require maintenance of permanent tunnels. The sites are connected through a private MPLS-based service that uses a dynamically changing key and spoke-to-spoke communication. Which type of transport encryption must be used in this environment?

A. GRE VPN
B. GETVPN
C. standard IPsec VPN
D. DMVPN

정답：B

설명：
GETVPN (Group Encrypted Transport VPN) is a Cisco proprietary technology that provides dynamic encryption for spoke-to-spoke communication over a private MPLS network. It does not require the maintenance of permanent tunnels, and it uses dynamically changing keys.
DMVPN (Dynamic Multipoint VPN) is another Cisco proprietary technology that can be used to create a VPN over a private MPLS network. However, DMVPN does require the maintenance of permanent tunnels, and it does not support dynamically changing keys.
GRE VPN (Generic Routing Encapsulation VPN) is a generic VPN technology that can be used over any type of network, including a private MPLS network. However, GRE VPN does not support dynamically changing keys.
Standard IPsec VPN is a generic VPN technology that can be used over any type of network, including a private MPLS network. It supports dynamically changing keys, but it requires the maintenance of permanent tunnels.
Therefore, the best choice for this environment is GETVPN. It meets all of the requirements, including dynamically changing keys, spoke-to-spoke communication, and no need for permanent tunnels.

질문 # 441
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. MPLS VPN
B. VPLS
C. VPWS
D. DMVPN

정답：B

설명：
The requirements point to a Layer 2 multipoint WAN service. VPLS provides an emulated Ethernet LAN across a provider network, allowing multiple sites to appear as if they are connected to the same Layer 2 domain. This supports full-mesh Layer 2 connectivity and preserves customer control over higher-layer services such as IPv6, multicast, routing protocols, and QoS markings. Because the provider delivers an Ethernet multipoint service, the enterprise can retain protocol independence rather than depending on the service provider to participate in IPv6 routing or multicast routing. CoS marking is also a Layer 2 QoS mechanism, so a Layer 2 VPN service is better aligned to the stated QoS requirement. VPWS is point-to-point rather than full-mesh multipoint, so it does not meet the topology requirement by itself. MPLS Layer 3 VPN is a provider-routed service and does not give the customer full Layer 2 mesh behavior. DMVPN is an overlay routed VPN and does not provide a native Layer 2 full-mesh service. Therefore, VPLS is the correct WAN connectivity option.

질문 # 442
Refer to the exhibit. AS65533 and AS65530 are announcing a partial Internet routing table as well as their IP subnets. An architect must create a design that ensures AS64512 become a transit AS. Which filtering solution must the architect choose?

A. No-advertise
B. Maximum-prefix
C. Next-hop

정답：B

질문 # 443
......

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