Arson units are comprised of all except which of the following experienced personnel?

Which of the following is not a form of an affirmative defense to a professional liability suit?

A. contributory negligence B. denial C. comparative negligence D. emergency E. assumption of risk

In which type of networks are the networked computers connected using public telephone lines, using encryption to ensure that only authorized users can access the network? 

A. Local-area network B. Virtual private network C. Homegroup network D. Wide-area network E. Peer-to-peer network