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| Section | Objectives |
|---|---|
| Topic 1: Enterprise Network Design Principles | - Design methodologies and best practices - Scalability and high availability design |
| Topic 2: Security Design in Enterprise Networks | - VPN and perimeter security architecture - Segmentation and access control design |
| Topic 3: WAN and Edge Connectivity Design | - SD-WAN architecture and design considerations - Traditional WAN and internet edge design |
| Topic 4: Enterprise Campus Network Design | - Spine-leaf and hierarchical design models - Campus LAN architecture |
| Topic 5: Network Services Design | - Multicast and QoS design considerations - Routing protocols design (OSPF, EIGRP, BGP) |
| Topic 6: Network Automation and Programmability | - Controller-based networking design - API-driven network automation concepts |
>> 300-420 Latest Questions <<
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NEW QUESTION # 81
Refer to the exhibit. An architect is designing a BGP solution to connect a remote branch to a service provider. There are several prefixes within the branch that the company does not want to be advertised to the internet. Which solution should the architect use to accomplish this?
Answer: C
NEW QUESTION # 82
Which component is part of the Cisco SD-Access overlay architecture?
Answer: B
Explanation:
The border node is part of the Cisco SD-Access overlay architecture. In the SD-Access fabric, the overlay consists of fabric roles and services that provide endpoint connectivity, segmentation, policy, and external reachability over the routed underlay. Border nodes connect the fabric overlay to external Layer 3 networks, shared services, WAN, Internet, or other fabric/transit domains. They perform the fabric boundary function, including routing between virtual networks and external routing domains as designed. Spine and leaf are generic data center or fabric topology terms and are not the named SD-Access fabric overlay roles in this question. Cisco DNA Center, now Cisco Catalyst Center, is central to management, automation, assurance, and policy deployment, but it is not itself an overlay forwarding component. The forwarding overlay is built from roles such as edge, border, control-plane, and intermediate nodes. Therefore, the correct component from the options is the border node. The design should select border placement based on external connectivity, scale, route control, redundancy, and whether the border is internal, external, or anywhere border. Reference topics: SD-Access overlay, border node, fabric roles, external connectivity, virtual networks.
NEW QUESTION # 83
Drag and drop the components in a Cisco SD-Access architecture from the left onto their descriptions on the right.
Answer:
Explanation:
Explanation:
The Cisco SD-Access component mapping is based on the normal fabric roles. A fabric edge node is the access-facing fabric device that connects wired endpoints and fabric access points, acts as the anycast Layer 3 gateway, encapsulates endpoint traffic into VXLAN, and registers endpoint reachability with the control plane. A control-plane node supplies the LISP map-server and map-resolver functions, maintaining endpoint- to-location mappings. A border node connects the fabric to external Layer 3 domains, shared services, WAN, Internet, or another fabric/transit domain, and it de-encapsulates traffic as it leaves the fabric. Intermediate nodes provide routed IP transport inside the underlay and move packets between edge, border, and control- plane nodes without owning endpoint policy or registration. This role separation is important because a design failure often comes from assigning the wrong function to the wrong node. Access-facing policy and endpoint onboarding belong at the edge; external connectivity belongs at the border; location resolution belongs to the control plane; transport belongs to intermediate nodes. Reference topics: SD-Access fabric roles, edge node, border node, control-plane node, intermediate node.
NEW QUESTION # 84
Exhibit:
Refer to the exhibit. An engineer is designing a Layer 2 campus network. The design must support fast convergence and leverage as much bandwidth as possible between layers. Distribution switches do support VSS; unfortunately, not all routing protocols are available for use due to license limitations. Which solution must the engineer choose?
Answer: A
NEW QUESTION # 85
How are wireless endpoints registered in the HTDB in a Cisco SD-Access architecture?
Answer: B
Explanation:
Wireless endpoints in Cisco SD-Access are registered through the fabric wireless integration process, and the fabric WLC is the component that updates endpoint information as clients join the wireless network. The Host Tracking Database stores endpoint identifier and location information used by the SD-Access control plane.
For wired endpoints, the fabric edge detects the endpoint and registers the binding. For wireless endpoints, the fabric WLC is integrated with the fabric and has the client session context, so it provides the endpoint information needed for HTDB updates. Border nodes do not first register ordinary wireless endpoints; their role is to connect the fabric to external networks and other domains. Fabric APs also do not own the complete EID-to-RLOC registration function in the way the controller does. The design implication is that fabric wireless requires correct WLC integration with Cisco Catalyst Center, fabric site configuration, control-plane reachability, and policy integration through Cisco ISE. Client registration, mobility, and policy enforcement depend on this controller-to-fabric relationship being stable. Reference topics: SD-Access wireless, fabric WLC, Host Tracking Database, endpoint registration, LISP control plane.
NEW QUESTION # 86
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