Question: 1 The OpenFlow protocol in SDN architecture is led and actively promoted by
the IETF.
A. TRUE
B. FALSE
Answer: A
Question: 2 In terms of the SDN architecture, the ONF does not recommend carriers to
change the existing network architecture, but the IETF recommends carriers to do
so.
A. TRUE
B. FALSE
Answer: A
Question: 3 Which of the following descriptions are true about SDN? (Multiple Choice)
A. SDN is OpenFlow.
B. SDN supports forwarding-control separation.
C. SDN provides programmable open interfaces.
D. SDN is short for software-defined networking.
Answer: ACD
Question: 4 Which of the following are true about SDN? (Multiple Choice)
A. In the SDN architecture, the underlying switches need to provide only the
most basic and simple functions.
B. SDN is applicable to cloud computing providers and enterprises facing
substantially increasing workloads.
C. SDN's forwarding-control separation architecture standardizes and simplifies
network devices.
D. SDN cannot implement flexible and centralized control and cloudified
application awareness.
Answer: BCD
Question: 5 In the SDN architecture, which of the following belong to the application
layer? (Multiple Choice)
A. OpenStack
B. Third-party APP platform
C. SNC
D. NetMatrix
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