san-discussion on challenges of bigdata

I’m working on a Computer Science question and need guidance to help me study.

Task1:Discuss the, “Challenges associated with Big Data” words:350

Task 2:words:300

Part 1: Team Leadership

Part 1: According to the Sarin and O’Connor (2009) article, certain team leader styles have a strong influence on internal team dynamics.

Please identify and describe at least 4 team leader styles and the environment where each is most effective.

What style do you want your manager to use? why?

Part 2: DeRue, Barnes, and Morgeson (2010) found that team leadership style effectiveness depended on the level of charisma exhibited by the leader.

Please define charisma.

Please identify and describe a charismatic leader with whom you have worked. Was she or he effective? Why?