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| Section | Weight | Objectives |
|---|---|---|
| Service Design | 15% | - Support for voice, video, IoT, storage and applications - Cloud connectivity and multi-service integration - Service placement and data governance - Operational resilience and compliance |
| Control, Data, Management Plane and Operational Design | 25% | - Control plane architectures: centralized, decentralized, hybrid - Automation, orchestration and model-driven management - Traffic flow and plane separation design - Software-defined and controller-based solutions |
| Business Strategy Design | 15% | - Business requirements analysis and alignment - Project management methodologies impact - Business continuity and sustainability design - Cost analysis and risk management |
| Network Design | 30% | - Implementation, migration and transformation planning - Design under technical, operational and application constraints - Traditional and software-defined network design - Modular, resilient, scalable network architectures |
| Security Design | 15% | - Security integration in network architecture - Segmentation, access control and policy enforcement - Threat mitigation and visibility design - Regulatory compliance and governance |
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NEW QUESTION # 21
Network orchestration enables network administrators to focus on strategic initiatives, innovation, and value-added tasks rather than spending time on manual and repetitive network management activities.
Drag and drop the orchestration types from the left onto the corresponding functions on the right. Not all options are used.
Answer:
Explanation:
NEW QUESTION # 22
Refer to the table.
A customer investigates connectivity options for a DCI between two production data centers to aid a large- scale migration project. The solution must provide a single 10G connection between locations and be able to run its own varying QoS profiles without service provider interaction based on the migration stages. All connectivity methods are at 10 Gbps. Which transport technology costs the least if the connectivity is required for just one year?
Answer: B
Explanation:
-
Let's calculate total 1-year cost for each option using the provided table:
* DWDM over dark fiber:
* CAPEX = $250,000
* OPEX (1 year) = $100,000
* Installation fee = $30,000
* Total = $250,000 + $100,000 + $30,000 = $380,000
* CWDM over dark fiber:
* CAPEX = $150,000
* OPEX (1 year) = $100,000
* Installation fee = $25,000
* Total = $150,000 + $100,000 + $25,000 = $275,000
* MPLS wires only:
* CAPEX = $50,000
* OPEX (1 year) = $80,000
* Installation fee = $5,000
* Total = $50,000 + $80,000 + $5,000 = $135,000
* BUT: MPLS does not allow customer-controlled QoS policies as stated in the requirement (cannot run its own varying QoS profiles without SP interaction). Therefore disqualified.
* Metro Ethernet:
* CAPEX = $45,000
* OPEX (1 year) = $100,000
* Installation fee = $5,000
* Total = $45,000 + $100,000 + $5,000 = $150,000
* BUT: Metro Ethernet is also typically a service provider-managed solution where customer-controlled QoS is usually limited depending on SP capabilities. May not fully meet the requirement.
-
The key technical requirement:
"Be able to run its own varying QoS profiles without service provider interaction." This clearly favors dark fiber solutions (CWDM and DWDM), as these give full Layer 1 control to the customer, allowing complete freedom in managing QoS, traffic engineering, and prioritization internally.
Among the two dark fiber options, CWDM over dark fiber is the most cost-effective choice for one year at
$275,000.
-
Therefore, final correct answer:
NEW QUESTION # 23
An enterprise requires MPLS connected branches to access cloud-based Microsoft 365 services over an SD- WAN solution. Internet access Is available only at dual regional hub sites that are connected to the MPLS network. Which connectivity method provides an optimum access method to the cloud-based services If one ISP suffers loss or latency?
Answer: D
NEW QUESTION # 24
Which two points must network designers consider when designing a new network design or when evaluating an existing network design to help them understand the high-level design direction with regards to the security aspects? (Choose two)
Answer: C,D
NEW QUESTION # 25
Which type of interface are OpenFlow and OpFlex?
Answer: A
Explanation:
#Explanation:
* A: OpenFlow and OpFlex are examples of southbound interfaces in SDN (Software Defined Networking). They are used by the SDN controller to communicate with the underlying infrastructure (e.g., switches, routers, hypervisors).
Other options:
* D (Northbound): Interfaces used by applications to communicate with the SDN controller.
* B, C: Not standard terminologies in SDN interface classification.
NEW QUESTION # 26
......
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