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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: WAN for Enterprise Networks | 20% | - Design WAN connectivity - Design SD-WAN solution - Design QoS for WAN |
| Topic 2: Services | 10% | - Design end-to-end QoS policy - Design network management |
| Topic 3: Advanced Enterprise Campus Networks | 25% | - Design for high availability - Design campus network services (QoS, multicast, etc.) - Design Layer 2 and Layer 3 campus networks |
| Topic 4: Advanced Addressing and Routing Solutions | 25% | - Create stable, secure, and scalable routing designs for Layer 3 - Create structured addressing designs - Determine IPv6 migration strategy |
| Topic 5: Enterprise Campus Security | 20% | - Design network access control - Design network security |
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NEW QUESTION # 437
Drag and drop the characteristics from the left onto the correct telemetry mode on the right.
Answer:
Explanation:
Explanation:
Dial-In: collector initiates a session to the device; supports gRPC only. Dial-Out: device initiates a session to the collector; supports TCP, UDP, and gRPC.
Model-driven telemetry can operate in dial-in or dial-out mode, and the distinction is based on which side initiates the session and how the subscription is established. In dial-in telemetry, the collector initiates a session to the network device and dynamically subscribes to the required sensor paths. This is useful when the collector wants direct control over the subscription lifecycle. Cisco telemetry documentation commonly associates dial-in with gRPC-based dynamic subscriptions on supported platforms. In dial-out telemetry, the device initiates the session toward the collector based on a configured subscription. The subscription exists in the device configuration, and the device streams telemetry data to the configured destination without requiring the collector to start the connection. This design is useful when devices are behind NAT, firewalls, or operational models where the network device should push telemetry to a known collector. Therefore, the mapping is: dial-in equals collector-initiated and gRPC-only in this context; dial-out equals device-initiated and supports the listed transport options. This distinction is central to Cisco model-driven telemetry design.
NEW QUESTION # 438
A network engineer must design an MSDP multicast solution to provide RP resilience in a network with two separate domains. Also, multicast sources and receivers must register with the local RP. Which solution must the engineer choose?
Answer: D
Explanation:
Two or more RPs are configured with the same IP address (for example, 10.0.0.1) on loopback interfaces. The loopback address should be configured with a 32-bit mask. All the downstream routers are configured so that they know that 10.0.0.1 is the IP address of their local RP. IP routing automatically selects the topologically closest RP for each source and receiver.
https://www.cisco.com/c/en/us/td/docs/ios/solutions_docs/ip_multicast/Phase_1/mcstmsdp/mcst_ p1.html
NEW QUESTION # 439
Refer to the exhibit. A customer is currently running DMVPN and advertising a default route from the hub to the spokes. The customer wants to reduce the amount of traffic passing through the hub by having the spokes communicate directly using dynamic tunnels; however, the customer wants to continue advertising the default route. Which solution must the customer select?
Answer: D
Explanation:
DMVPN Phase 3 with NHRP redirects allows spokes to dynamically establish direct tunnels with each other for spoke-to-spoke communication, while the hub continues to advertise the default route, minimizing unnecessary traffic through the hub.
NEW QUESTION # 440
An architect is designing a network for an enterprise site. The design must use an active/backup design for the WAN. It must guarantee the SLA for several applications regardless of which connection is used. Which deployment model should the architect choose?
Answer: D
Explanation:
An MPLS WAN from two separate ISPs is the strongest fit when the enterprise requires an active/backup WAN design with guaranteed SLAs for applications on either connection. MPLS VPN services are typically delivered with provider-backed service-level commitments for latency, jitter, packet loss, and availability, which is why they are selected for predictable enterprise application transport. Using two separate MPLS providers improves resiliency against a provider failure while preserving SLA-backed behavior on the backup path. A hybrid MPLS and Internet VPN model can be cost effective, but the Internet path generally does not provide the same deterministic SLA unless enhanced by a specific managed service contract. Internet from two providers improves reachability diversity but does not inherently guarantee application SLA. A single ISP hybrid design creates a provider dependency and weakens availability. Therefore, dual-provider MPLS is the conservative design for guaranteed active/backup WAN service. Reference topics: MPLS WAN design, service-level agreements, active/backup WAN, provider diversity, application performance assurance.
NEW QUESTION # 441
Which design consideration must be made when dual WAN Edge routers are deployed at a branch site?
Answer: C
Explanation:
When dual WAN Edge routers are deployed at a branch, first-hop redundancy and SD-WAN overlay path preference must be aligned. The correct design consideration is that HSRP priorities on the service side should match the OMP routing policy that determines which WAN Edge is preferred. If the LAN gateway points hosts to one WAN Edge while OMP policy prefers the other edge for return or remote-site traffic, traffic can become asymmetric or hairpinned through the wrong device. Proper alignment gives predictable active/standby or active/active behavior and avoids blackholing during failover. Option A describes traditional BGP path manipulation with AS-path prepending and MED; those are not the primary SD-WAN branch dual-edge design controls. Option C overstates symmetry as a universal requirement for DPI; Cisco SD-WAN can handle many traffic patterns, but gateway and OMP alignment remain the core branch design issue. Option D is wrong because SD-WAN already uses BFD across data-plane tunnels, not as a special direct adjacency between the two local WAN Edges for this purpose. Reference topics: Cisco SD-WAN branch redundancy, HSRP, OMP policy, WAN Edge preference, service-side high availability.
NEW QUESTION # 442
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