What are the different command sources that allow you to communicate with the API server?

What are the different command sources that allow you to communicate with the API server?
A . SmartView Monitor, API_cli Tool, Gaia CLI, Web Services
B. SmartConsole GUI Console, mgmt_cli Tool, Gaia CLI, Web Services
C. SmartConsole GUI Console, API_cli Tool, Gaia CLI, Web Services
D. API_cli Tool, Gaia CLI, Web Services

Answer: B