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| Section | Weight | Objectives |
|---|---|---|
| Services | 10% | - Design network management - Design end-to-end QoS policy |
| Advanced Enterprise Campus Networks | 25% | - Design Layer 2 and Layer 3 campus networks - Design campus network services (QoS, multicast, etc.) - Design for high availability |
| Advanced Addressing and Routing Solutions | 25% | - Create stable, secure, and scalable routing designs for Layer 3 - Determine IPv6 migration strategy - Create structured addressing designs |
| Enterprise Campus Security | 20% | - Design network security - Design network access control |
| WAN for Enterprise Networks | 20% | - Design QoS for WAN - Design WAN connectivity - Design SD-WAN solution |
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NEW QUESTION # 14
What is the role of a control-plane node in a Cisco SD-Access architecture?
Answer: A
Explanation:
The control-plane node in Cisco SD-Access acts as the map system that manages endpoint-to-device relationships. Cisco SD-Access documentation describes control-plane nodes as maintaining the host database that maps endpoint identifiers to the fabric edge devices where those endpoints are attached. This mapping function is based on LISP control-plane behavior. When an endpoint appears on an edge node, the edge registers the endpoint information with the control plane. When another fabric device needs to send traffic to that endpoint, it queries the control-plane node to resolve the endpoint location. A fabric edge node is the device that connects wired endpoints to the fabric, so option A describes an edge role. Wireless endpoints may attach through fabric AP and fabric WLC integration, but that is not the control-plane node's role.
External Layer 3 networks are connected through border nodes, not through the control-plane node.
Therefore, the correct role is endpoint-to-device mapping. Accurate control-plane design is essential for fabric scale, endpoint mobility, and fast location resolution.
NEW QUESTION # 15
An engineer is designing a multicast network for a company specializing in VoD content. Receivers are across the Internet, and for performance reasons, the multicast framework close to the receivers within each AS. For high availability, if the sources in one AS are no longer available, the receivers of that AS must be able to receive the VoD content from sources in another AS. Which feature must the design include?
Answer: D
Explanation:
MSDP is the correct feature when multicast receivers in one autonomous system must be able to learn and receive content from sources in another autonomous system. The scenario describes separate multicast frameworks close to the receivers in each AS and requires source resiliency across AS boundaries. In PIM Sparse Mode, a local RP learns about sources registered in its own domain. MSDP allows RPs in different domains to exchange Source-Active information, enabling receivers in one domain to discover and join toward sources that exist in another domain. Anycast RP is primarily a redundancy and load-sharing technique for RPs, often inside a multicast domain, but it does not by itself provide interdomain source discovery for independent ASs. SSM can be efficient when receivers know the source, but the question emphasizes RP-based framework placement and source availability between ASs. BIDIR-PIM is for scalable many-to-many shared-tree forwarding, not interdomain source discovery. Therefore, the design should include MSDP. Reference topics: MSDP, interdomain multicast, PIM-SM, Source-Active exchange, RP resilience across autonomous systems.
NEW QUESTION # 16
What is the purpose of the fabric control plane in a Cisco SD-Access architecture?
Answer: A
NEW QUESTION # 17 
Refer to the exhibit. An engineer must design an address translation solution to provide Internet connectivity for the corporate network. The design Is restricted to the 172.16.168.0/22 subnet. Which solution must the engineer choose?
Answer: A
NEW QUESTION # 18
What is an advantage of designing an out-of-band network management solution?
Answer: B
NEW QUESTION # 19
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