The ____________ is the only node in a tree that doesn’t have a parent.

Which of the following is a NOT a disadvantage of VoIP?

A. Multiple networks to manage B. Greater threat of snooping C. Greater threat of theft of service D. Higher threat of DoS attacks

When structured decisions are not complex, an appropriate technique for analyzing the decision process is the use of:

A) CASE tools. B) structured English. C) decision trees. D) decision diagrams.