Hi Can some one help me with these questions?

From Book:

IT Systems Management (2010)

by Rich Schiesser

2nd Edition

Prentice Hall; ISBN-10: 0137025068

Q. 1. With so many components influencing system uptime, it is usually preferred to have several individuals responsible for availability. (True or False)

Q. 2. A 24x7 system contracted to be available 99.0 percent can be down for 1.5 hours per week and still be in compliance. (True or False)

Q. 5. If you were providing Internet services and availability was one of its major features, how would you market it?

Q. 2. Service providers typically need just a small number of key representative customers to serve as a barometer of good customer service. (True or False)

Q. 4. The percentage of ___________________________ to all changes can indicate the relative degree to which an organization is reactive or proactive.

Q. 5. Explain why you think a priority scheme for changes is, or is not, worth the overhead cost of administering and enforcing?