When considering data in a database, the ________ principle means that if inaccurate data is entered into the database, then the output will be inaccurate

A laptop user cannot open encrypted emails. What is the most likely cause?

A) Digital encryption is not enabled. B) A security certificate for S/MIME is not installed. C) The firewall is enabled. D) The wrong email app is being used.

What do you call a firewall that is connected to the Internet, the internal network, and the DMZ?

A. multi-homed proxy B. three-pronged firewall C. three-way packet filter D. multi-zone host