1) In the network computation process what is a backward pass and what four things does it determine?

2) There are positive risks and negative risk in your project. Positive risks are those things that can have a positive outcome and provide a previously unseen opportunity. Negative risks are those things that can have a negative outcome and are a threat to successful project completions. What are the ways that you would respond to the uncertainty of risk and how would you manage positive risks different than negative risks? Please describe these approaches.