Read the following context and choose the best option to answer the question.
Context: One third of the schools are done and the new system is awesome . Most of the schools I cover still have the old equipment so I do alot of service calls . I am currently in a Cisco CCNA class at college .
Question: What must be my occupation ?
Options: 
- None of the above choices .
 - I must be a software engineer .
 - I must be an IT professor .
 - I must be an IT professional .


I must be an IT professional .