SCADA systems controlling critical infrastructure are usually completely separated from the Internet by which of the following?

A. firewall
B. air gap
C. router
D. Vlan

Answer: B

Computer Science & Information Technology

You might also like to view...

The second principle of good database design is to use techniques that ensure ________ occurs when it is entered into the table.

a. a common field b. redundant data c. normalization d. a flat database

Computer Science & Information Technology

Which of the following is FALSE about sparklines?

A) Sparklines display in a single cell. B) Sparklines do not include an axis label. C) Sparklines include an automatically-created chart title. D) Sparklines present a condensed, simple visual illustration of data.

Computer Science & Information Technology