QUESTION: 61

How is NFV defined?

Network infrastructure virtualization
Network function virtualization
Network bus virtualization
Network architecture virtualization

Answer(s): B

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QUESTION: 62

Which are lower-layer physical devices of NFV framework? (Multiple Choice)

Storage device
Network device
Server
Air conditioning system

Answer(s): A,B,C

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Assume that the bandwidths of flows a, b, c, and d are all 100 Mbit/s. The total interface bandwidth is 200 Mbit/s. When network congestion occurs, congestion management is required. If flows a, b, c, and d belong to WFQ queues and the weight ratio is 1:2:3:4, what are traffic volumes of the four flows?

The bandwidths of flows a, b, c, and d are 20 Mbit/s, 40 Mbit/s, 60 Mbit/s, and 80 Mbit/s.
The bandwidths of flows a, b, c, and d are 100 Mbit/s, 100 Mbit/s, 0 Mbit/s, and 0 Mbit/s.
The bandwidths of flows a, b, c, and d are 80 Mbit/s, 60 Mbit/s, 40 Mbit/s, and 20 Mbit/s.
All traffic is discarded due to congestion.

Answer(s): A

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