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| Section | Weight | Objectives |
|---|---|---|
| Control, Data, Management Plane and Operational Design | 25% | - Control plane architectures: centralized, decentralized, hybrid - Software-defined and controller-based solutions - Automation, orchestration and model-driven management - Traffic flow and plane separation design |
| Business Strategy Design | 15% | - Project management methodologies impact - Business requirements analysis and alignment - Business continuity and sustainability design - Cost analysis and risk management |
| Service Design | 15% | - Operational resilience and compliance - Cloud connectivity and multi-service integration - Support for voice, video, IoT, storage and applications - Service placement and data governance |
| Security Design | 15% | - Regulatory compliance and governance - Security integration in network architecture - Threat mitigation and visibility design - Segmentation, access control and policy enforcement |
| Network Design | 30% | - Traditional and software-defined network design - Modular, resilient, scalable network architectures - Implementation, migration and transformation planning - Design under technical, operational and application constraints |
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NEW QUESTION # 337
A customer is designing a network to support video applications with centralized and distributed deployments. The team has reviewed bandwidth, cost, and usage patterns. What additional key information is missing?
Answer: B
Explanation:
# Explanation:
* B: The type of video resources (e.g., MCUs, call agents, conferencing servers) significantly affects whether a centralized or distributed deployment is more efficient. This decision impacts call setup, bridging, and media flow.
* A: While jitter/delay are QoS concerns, they don't dictate the resource allocation model by themselves.
* C and D: Important for operations and engineering but not the missing business-critical input for resource placement.
NEW QUESTION # 338
What statement describes the application layer as defined in the software-defined networking architecture?
Answer: D
Explanation:
* B (Communicates desired behavior to controllers):In SDN architecture, the application layer contains business logic and network applications that request services or behaviors from the controller through northbound APIs.
Other options explained:
* A: Refers to the controller's role in collecting network status.
* C: Refers to data plane (switches/routers) handling packet forwarding.
* D: Misrepresents control plane-controller interaction.
NEW QUESTION # 339
Refer to the exhibit. This network is running legacy STP 802.1d. Assuming "hello_timer" is fixed to 2 seconds, which parameters can be modified to speed up convergence times after single link/node failure?
Answer: A
NEW QUESTION # 340
The API of an SDN controller named CTL-A uses the HTTP POST method and the same URL for all resources The JSON body of each message is used to get information for specific resources and operations The API of a SDN controller named CTL-B uses HTTP CRUD methods and a uniform interface with different URLs for each resource Which API type is used by each SDN controller?
Answer: A
NEW QUESTION # 341
Which feature must be part of the network design to wait a predetermined amount of time before notifying the routing protocol of a change in the path in the network?
Answer: A
Explanation:
* C (SPF hold time): Controls the minimum amount of time between Shortest Path First (SPF) recalculations in link-state protocols like OSPF and IS-IS. This mechanism prevents frequent SPF runs due to rapid or transient topology changes, providing stability.
Other options explained:
* A: Transmit delay affects LSA propagation but not routing protocol recalculation timing.
* B: Throttle timers are related but primarily control LSA generation intervals.
* D: Interface dampening suppresses flapping i
NEW QUESTION # 342
......
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