Software Defined Networking Interview Question-Answer

Q.1 Which plane is known as a subset of control plane?

       A. Management Plane

       B. Control plane

       C. Data Plane

       D. None of the options

Ans : Management Plane

Q.2 Identify the vendors of SDN.

       A. HP

       B. Broacade

       C. Cisco

       D. All the options

Ans : All the options

Q.3 The controller permits the developer in manipulating the flow entries of __________.

       A. Single device

       B. Multiple devices

       C. None of the options

Ans : Multiple devices

Q.4 SDN separates the data and control plane.

       A. True

       B. False

Ans : True

Q.5 Is controller hidden by Hardware Abstraction Layer (HAL)?

       A. True

       B. False

Ans : True

Q.6 Infrastructure layer consists of ___________.

       A. Load balancer

       B. Router

       C. Switch

       D. All the options

Ans : All the options

Q.7 By separating the control plane from the data plane, SDN provides ________.

       A. Mobility

       B. Scalability

       C. Flexibility

       D. None of the options

Ans : Scalability

Q.8 At which year,Version 1.0 of the OpenFlow switch specification was released?

       A. September 2007

       B. December 2009

       C. December 2010

       D. None of these

Ans : December 2009

Q.9 Which data format does REST API use?

       A. JSON

       B. XML

       C. Both JSON and XML

       D. None of the options

Ans : Both JSON and XML

Q.10 Which command will you use to retrieve information?

       A. HTTP GET

       B. HTTPS PUT

       C. None of the options


Q.11 REST stands for _______________.

       A. Representational Signal Transfer

       B. Referenced State transfer

       C. Representational State Transfer

       D. None of the options

Ans : Representational State Transfer

Q.12 Identify a company that offers OF-enabled controllers.

       A. Cisco

       B. Brocade

       C. Both Cisco and Brocade

       D. None of the options

Ans : Cisco

Q.13 Southbound interfaces from the controller communicate with _________.

       A. Hardware applications

       B. Software applications

       C. Both hardware and software applications

       D. None of the options

Ans : Both hardware and software applications

Q.14 Identify the southbound interfaces from the following options.

       A. Cisco OpFlex

       B. CLI

       C. Openflow

       D. All the options

Ans : Openflow

Q.15 _______ is considered as one of the first software-defined networking (SDN) standards.

       A. Openday

       B. Opencontrol

       C. Openflow

       D. None of the options

Ans : Openflow

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