There are 4 ways to use the Management API for creating host object with R80 Management API. Which one is NOT correct?

A. Using Web Services
B. Using Mgmt_cli tool
C. Using CLISH
D. Using SmartConsole GUI console

E. Events are collected with SmartWorkflow from Trouble Ticket systems

Reference: https://sc1.checkpoint.com/documents/R80/APIs/#introduction%20