Implementing and Operating Cisco Security Core Technologies (SCOR) — Question 633

What are two functionalities of SDN Northbound APIs? (Choose two.)

Answer options

• A. OpenFlow is a standardized northbound API protocol
• B. Northbound APIs form the interface between the SDN controller and business applications
• C. Northbound APIs provide a programmable interface for applications to dynamically configure the network
• D. Northbound APIs form the interface between the SDN controller and the network switches or routers
• E. Northbound APIs use the NETCONF protocol to communicate with applications.

Correct answer: B, C

Explanation

The correct answers, B and C, highlight the roles of Northbound APIs in facilitating communication between the SDN controller and applications, as well as providing programmability for network configuration. Options A, D, and E are incorrect as they either describe Southbound APIs or technical specifics that do not align with the primary functions of Northbound APIs.