quick short answers. briefly explain reasoning for each. What is queuing theory? What is a redundant system? Pros and cons of including redundancy in...

quick short answers. briefly explain reasoning for each.

• What is queuing theory?
• What is a redundant system? Pros and cons of including redundancy in a system.
• When to use redundancy?
• What is the bath tub curve?
• How to compute reliability of a system using series and parallel components?