In a folder hierarchy, the top, or primary, level is referred to as which of the following?

Each pie slice displayed on a pie chart is an example of a:

A) data marker. B) chart sheet. C) legend. D) data point.

What should you do when configuring DNS servers that are connected to the Internet in order to improve security?

A. disable zone transfers B. delete the DNS cache C. disable DNS buffers D. setup DNS proxy