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| Section | Weight | Objectives |
|---|---|---|
| Advanced Addressing and Routing Solutions | 25% | - Create stable, secure, and scalable routing designs for Layer 3 - Determine IPv6 migration strategy - Create structured addressing designs |
| WAN for Enterprise Networks | 20% | - Design QoS for WAN - Design WAN connectivity - Design SD-WAN solution |
| Services | 10% | - Design end-to-end QoS policy - Design network management |
| Advanced Enterprise Campus Networks | 25% | - Design campus network services (QoS, multicast, etc.) - Design for high availability - Design Layer 2 and Layer 3 campus networks |
| Enterprise Campus Security | 20% | - Design network access control - Design network security |
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NEW QUESTION # 172
What is the main purpose of the Cisco SD-Access underlay design?
Answer: A
Explanation:
The main purpose of the Cisco SD-Access underlay design is to provide a scalable and optimized foundation for network traffic routing and load balancing. The underlay network is the physical infrastructure that supports the SD-Access fabric and allows efficient transport of data across different parts of the network. It helps with optimizing traffic flow, ensuring that data is routed effectively and with low latency, which is critical for supporting the overall network design.
NEW QUESTION # 173 
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?
Answer: B
NEW QUESTION # 174
A company requires a private WAN design that allows remote sites to connect to HQ. The design must ensure that:
* traffic is always encrypted
* forwarding overhead is reduced
* management of security Is centralized
* multicast traffic is supported
Which technology must the company select?
Answer: A
Explanation:
GET VPN is the correct private WAN encryption technology when traffic must always be encrypted, multicast must be supported, forwarding overhead must be reduced, and security management must be centralized. Cisco Group Encrypted Transport VPN protects traffic over a private WAN without building traditional point-to-point or multipoint tunnel overlays. Because it preserves the original IP header, the provider or enterprise routing core can still make normal forwarding decisions, and multicast, QoS, and routing behavior are easier to preserve than with heavy tunnel overlays. GET VPN uses a key server model to centralize group policy and distribute encryption keys to group members. This reduces the operational burden of maintaining many permanent tunnels. DMVPN supports multicast through GRE and provides dynamic tunnels, but it adds tunnel encapsulation overhead and does not meet the reduced-overhead private WAN requirement as cleanly. Plain mGRE lacks the full centralized group encryption model. Reference topics: GET VPN, group encryption, private WAN security, multicast support, key server, tunnel-less IPsec.
NEW QUESTION # 175
An organization plans to deploy multicast across two different autonomous systems. Their solution must allow RPs to:
*discover active sources outside their domain
*use the underlying routing information for connectivity with other RPs
*announce sources joining the group
Which solution supports these requirements?
Answer: B
Explanation:
Explanation
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipmulti_pim/configuration/xe-3s/asr903/imc-pim-xe-3s-asr90
NEW QUESTION # 176
Which element in a Cisco SD-WAN architecture maintains a centralized routing table?
Answer: D
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 # 177
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