Choose the correct answer:
1. ____________ is an open source SDN controller/framework, hostedby the Linux Foundation.
a) RESTAPI
b) OpenDaylight

c) OpenFlow
d) None of the options
2. Software-defined networking (SDN) is known as an architecturethat focuses to make networks
_______________.
a) Flexible
b) Agile
c) Agile and Flexible
d) Scalable
3. What are the three OSI layers that make up SDN?
a) The network layer, The physical layer, and The transportlayer
b) The application layer, The control layer, and The physicallayer
c) The application layer, The transport layer, and The networklayer
d) The transport layer, The network layer, and The data linklayer
4. Pick the phrase that best describes Software Defined Networking(SDN)
a) SDN is an architecture that separates the network control andforwarding functions.
b) SDN is a protocol that enables communications between networkdevices.
c) SDN is an application that can be used to manage networks.
d) SDN is a network device of advanced features.
5. What are some of the benefits of open source software?
a) Lower costs, customization and increased collaboration andsecurity.
b) No software licenses, no vendor lock-in and no more paying forsoftware.
c) It has no benefits.
d) Free and easy to use.
6. Pick the phrase that best describes OpenFlow.
a) OpenFlow is a protocol used for the communication between theapplication layer and the SDN
controller.

b) OpenFlow is a protocol used for the communication betweennetwork devices from different
vendors.
c) OpenFlow is a protocol used for the communication between theSDN controller and the network
devices in the physical layer.
d) OpenFlow is a protocol used for the communication between theOpenFlow switch and data plane.
7. _______ is the brain of the network.
a) None of the options
b) Application layer
c) Infrastructure layer and controller
d) Infrastructure layer
8. The control layer provides a _________ view of all thenetwork-wide resources.
a) Distributed
b) Global
c) None of the options
d) Centralized
9. OpenFlow is an open API that provides a standard interface for______ the data plane switches.
a) None of the options
b) Programming
c) Controlling
d) Monitoring
10. Mininet permits you to run a ________ network on your computerwith OpenFlow-supported devices.
a) Both Physical and Virtual
b) Virtual
c) Physical
d) None of the options