When a primary key occurs in another table as a foreign key, it is considered redundant

There is suspected virus activity on the network. Which of the following would Lisa, a technician, use to study network traffic?

A. Protocol analyzer B. Cable tester C. Cable certifier D. Environmental monitor

A(n) _____ is a group of individuals whose members are distributed geographically, but who collaborate and complete work through the use of information systems technology.

Fill in the blank(s) with the appropriate word(s).