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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Control, Data, Management Plane and Operational Design | 25% | - Software-defined and controller-based solutions - Traffic flow and plane separation design - Control plane architectures: centralized, decentralized, hybrid - Automation, orchestration and model-driven management |
| Topic 2: Service Design | 15% | - Service placement and data governance - Support for voice, video, IoT, storage and applications - Operational resilience and compliance - Cloud connectivity and multi-service integration |
| Topic 3: Network Design | 30% | - Modular, resilient, scalable network architectures - Traditional and software-defined network design - Implementation, migration and transformation planning - Design under technical, operational and application constraints |
| Topic 4: Security Design | 15% | - Segmentation, access control and policy enforcement - Regulatory compliance and governance - Security integration in network architecture - Threat mitigation and visibility design |
| Topic 5: Business Strategy Design | 15% | - Cost analysis and risk management - Business continuity and sustainability design - Business requirements analysis and alignment - Project management methodologies impact |
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NEW QUESTION # 420
Company XYZ has 30 sites using MPLS L3 VPN and is concerned about data integrity. They want a centralized configuration model and minimal overhead. Which technology can be used?
Answer: B
Explanation:
* D (Group Encrypted Transport VPN - GET VPN):GET VPN encrypts traffic across private WANs like MPLS while maintaining full-mesh routing visibility and offering centralized key management with minimal encapsulation overhead.
Other options explained:
* A: S-VTI is used for point-to-point IPsec tunnels.
* B: DMVPN is used for dynamic multipoint Internet-based VPNs.
* C: MGRE is a tunneling protocol but lacks security features.
NEW QUESTION # 421
Company XYZ Is running a redundant private WAN network using OSPF as the underlay protocol.
The current design accommodates for redundancy. In the network, but it Is taking over 30 seconds for the network to reconverge upon failure.
Which technique can be Implemented In the design to detect such a failure in a subsecond?
Answer: D
NEW QUESTION # 422
Company XYZ runs OSPF in their network. A design engineer decides to implement hot-potato routing architecture. How can this implementation be achieved?
Answer: B
NEW QUESTION # 423
You are tasked with the design of a high available network.
Which two features provide fail closed environments? (Choose two.)
Answer: A,C
NEW QUESTION # 424
Refer to the exhibit.
The network 10.10.0 .0/16 has been redistributed to OSPF processes and the best path to the destination from R1 has been chosen as R1-R2-R3 A failure occurred on the link between R2 and R3 and the path was changed to R1-R4-R5-R3 What happens when the link between R2 and R3 is restored'?
Answer: B
Explanation:
When the link between R2 and R3 is restored, the path reverts back to R1-R2-R3 because this was the previous best path. This is because OSPF uses the Dijkstra algorithm to calculate the shortest path tree (SPT) and the path with the lowest cost is chosen as the best path. In this case, the cost of the path R1-R2-R3 is lower than the cost of the path R1-R4-R5-R3, so the path R1-R2-R3 is chosen as the best path. OSPF also has a preference order for different types of routes, such as intra-area, inter-area, external type 1, external type 2, NSSA type 1, and NSSA type 2. However, this preference order only applies when OSPF has to choose between routes of different types to the same destination. In this scenario, both paths are external type 2 routes, so the preference order does not affect the path selection
NEW QUESTION # 425
......
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