Successful vs Effective leaders

Anthony Jackson has been a manager at Telox Services for five years. He has risen quickly through the ranks and is now a department manager. He is viewed as a rising star in the organization. His Time background is in the accounting and financing department of the company. 12 M 8. According to research on characteristics of successful vs. effective leaders, we can conclude that Mr. Jackson is probably best at the management activity of: communication O technical controlling networking