01) Explain the challenges faced by human resource management today, including issues such as globalization, impact of information technology and...

01) Explain the challenges faced by human resource management today, including issues such as globalization, impact of information technology and diversity. (02) What opportunities exist for human resource managers with respect to these challenges? (03) Describe the various roles of the human resource manager. (04) In your opinion, what is the most important role HR managers play? Why? (05) Be specific and provide detailed examples from your own personal work experiences to fully illustrate your points.I have questions 1, 4 and 5 but need just a little help on the others. Thanks