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| Section | Weight | Objectives |
|---|---|---|
| Enterprise Campus Security | 20% | - Design network security - Design network access control |
| Advanced Addressing and Routing Solutions | 25% | - Determine IPv6 migration strategy - Create structured addressing designs - Create stable, secure, and scalable routing designs for Layer 3 |
| Services | 10% | - Design network management - Design end-to-end QoS policy |
| Advanced Enterprise Campus Networks | 25% | - Design campus network services (QoS, multicast, etc.) - Design Layer 2 and Layer 3 campus networks - Design for high availability |
| WAN for Enterprise Networks | 20% | - Design WAN connectivity - Design SD-WAN solution - Design QoS for WAN |
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28. Frage
Which protocol runs between the vSmart controllers and between the vSmart controllers and the vEdge routers, and unifies all control plane functions under a single protocol umbrella?
Antwort: A
29. Frage
A network administrator is troubleshooting a DMVPN setup between the hub and the spoke.
Which action should the administrator take before troubleshooting the IPsec configuration?
Antwort: D
30. Frage
Refer to the exhibit.
An engineer must design a WAN solution so that ISP-1 is always preferred over ISP-2. The path via ISP-2 is considered as a backup and must be used only when the path to ISP-1 is down. Which solution must the engineer choose?
Antwort: D
Begründung:
The best design is the option that prefers ISP-1 for both outbound and inbound traffic while keeping ISP-2 available as a backup. For outbound traffic from the enterprise, local preference is the correct BGP attribute because it is evaluated inside the local AS and higher local preference wins. R1 should assign a high local preference to routes learned from ISP-1, while R2 should assign a low local preference to routes learned from ISP-2. For inbound traffic from the Internet toward the enterprise, AS-path prepending is the practical signal sent to external networks. Advertising routes to ISP-1 with no prepending and routes to ISP-2 with five prepends makes the ISP-1 path look shorter and therefore more attractive. The R1-to-R2 internal advertisements should not be blocked by NO-ADVERTISE because each edge router must still share reachability internally for failover. Option B matches these controls without unnecessarily suppressing routes between the edge routers. Reference topics: BGP local preference, AS-path prepending, active/backup Internet design, inbound and outbound path control.
31. Frage 
Refer to the exhibit. A company has some offices that are connected via dark fiber in New York. A network architect must optimize the network design based on the EIGRP routing protocol. The network has hierarchical addressing between 10 and 12 routers in each office. Routing convergence time must be at the minimum. What must the network architect do to reduce the query range?
Antwort: D
Begründung:
Implementing network summarization on the edge routers is the correct EIGRP design action to reduce query range and improve convergence. In EIGRP, when a route is lost and no feasible successor exists, DUAL sends queries to neighbors. If the network is large or poorly summarized, those queries can propagate widely and increase convergence time. Hierarchical addressing allows each office or edge block to advertise a summary instead of many specific prefixes. If a specific subnet inside an office fails, the summary can remain stable toward the rest of the network, preventing the failure from triggering unnecessary queries across the dark- fiber interoffice topology. Stub routing can also reduce query scope, but the option says to configure stub areas on non-edge routers, which is not the right EIGRP terminology or placement. Different EIGRP processes add redistribution complexity, and route filtering alone does not provide the same clean convergence boundary as summarization. Reference topics: EIGRP summarization, DUAL query scope, hierarchical addressing, convergence optimization, dark-fiber campus routing.
32. Frage
A customer has several remote sites connected with their headquarters through microwave links.
An engineer must propose a backup WAN solution based on these conditions:
Which backup WAN link type the engineer recommend?
Antwort: C
33. Frage
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