CCNA Cisco Certified Network Associate (#161)

Section: Version 3.0

Which two statements about northbound and southbound APIs are true? (Choose two.)

Only southbound APIs allow program control of the network.
Only northbound APIs allow program control of the network.
Only southbound API interfaces use a Service Abstraction Layer.
Only northbound API interfaces use a Service Abstraction Layer.
Both northbound and southbound API interfaces use a Service Abstraction Layer.
Both northbound and southbound APIs allow program control of the network.