Huawei Certified ICT Associate – Data Center Network (HCIA-DCN) — Question 28
The controller is the core component of SDN and connects to devices through southbound interfaces. Which of the following are southbound protocols used by the controller? (Choose two.)
Answer options
- A. OpenFlow
- B. NETCONF
- C. SNMP
- D. PCEP
Correct answer: A, B
Explanation
OpenFlow and NETCONF are both recognized as southbound protocols in Software Defined Networking (SDN). OpenFlow specifically allows for communication between the controller and network devices, while NETCONF is used for managing network device configurations. SNMP and PCEP do not serve as southbound protocols in the context of SDN.