SDN and NFV Quiz

24A customer subscribes to a Service Provider's managed SDN-based service based on a vCPE that includes a virtual router and virtual firewall. All configuration of the VNFs must

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Which component should be used by the Service Provider to update the firewall policies?

Which SDN solution should be used for the merge?

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Which design should the Service Provider use to map the application ID?

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Which combination of link bandwidth satisfies the required throughput?

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Which characteristic of this NFV architecture is highlighted in the diagram?

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An Operator is trying to create 6,000 virtualized networks that are interconnected through a common Layer 2 closed user group. The Layer 2 networks must support both unicast and broadcast delivery. Because there is a 4K limitation when using VLANs, which IP-based overlay can accomplish this task?

A provider is offering services via several VNFs. After a major service outage, engineers find that the outage was due to a bug that caused a few of the VNFs to operate incorrectly. A new software version is available that fixes the problem. The new software also introduces new services that will be used by some of the VNFs. The old services still must be offered to a selected group of VNFs. How should the engineer proceed with the upgrade?

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An SDN network is built using OpenFlow version 1.3 as the Southbound API. Both the master and slave SDN Controller have experienced a catastrophic failure. The switches are configured in Fail-Secure mode. How will the forwarding plane behave in this situation?

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An Operator is creating a new service over an NFV system. The service creation process requires the OSS to accept the customer's service order. The OSS will then interact with the NFV system to fulfill the customer's service order. What should the interaction between the OSS and the NFV system contain?

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