NFV Architecture JN0-214 Practice Questions (Page 1)

Questions 1–5

1. 1expert · medium

   A cloud provider is planning to offer a virtual firewall service to customers. They need to support rapid scaling of the firewall VNFs based on customer traffic. Which NFV capability is most essential for this requirement?

   • AManual configuration of each VNF
   • BThe use of dedicated hardware for each VNF
   • CThe ability to instantiate and terminate VNFs on demand
   • DA fixed network topology for all customers
   Reveal Solution Discussion Select an answer first
2. 2application · easy

   A service provider wants to offer a new network service to customers quickly by deploying virtual network functions (VNFs) on standard servers instead of purchasing and installing dedicated hardware appliances. Which benefit of NFV is most directly demonstrated by this approach?

   • AElimination of all network security risks
   • BComplete removal of physical infrastructure
   • CGuaranteed packet processing performance
   • DReduced time-to-market for new services
   Reveal Solution Discussion Select an answer first
4. 3foundation · easy

   What is the primary role of the virtualization layer within the NFV Infrastructure (NFVI)?

   • ATo replace the need for physical network devices
   • BTo abstract and pool physical resources for use by VNFs
   • CTo manage the lifecycle of VNFs
   • DTo provide a user interface for network administrators
   Reveal Solution Discussion Select an answer first
5. 4application · medium

   A service provider is designing an NFV platform to host virtualized customer-premises equipment (vCPE) for multiple tenants. They need to ensure that each tenant's VNFs can be isolated from one another while sharing the same physical infrastructure. Which component of the NFV architectural framework is primarily responsible for providing this isolation?

   • AThe Element Management System (EMS)
   • BThe NFV Infrastructure (NFVI)
   • CThe Virtualized Network Function Manager (VNFM)
   • DThe NFV Orchestrator (NFVO)
   Reveal Solution Discussion Select an answer first
6. 5expert · hard

   A service provider is deploying an NFV platform with a multi-vendor environment. They have VNFs from Vendor A and Vendor B, and each vendor provides its own VNFM. The provider wants to ensure that the NFVO can orchestrate services that span VNFs from both vendors. Which approach is most appropriate?

   • AReplace the VNFMs with a single custom VNFM
   • BUse only one vendor's VNFM to manage all VNFs
   • CHave the VIM directly manage the VNFs
   • DIntegrate both VNFMs with the NFVO using standard interfaces
   Reveal Solution Discussion Select an answer first