Which of the Following Definitions Represents Physical Security

Multiple Choice

Which of the following definitions represents physical security?

A) a problem that occurs when someone registers purposely misspelled variations of well-known domain names
B) tangible protection such as alarms, guards, fireproof doors, fences, and vaults
C) government attempts to control Internet traffic, thus preventing some material from being viewed by a country's citizens
D) choosing to deny permission to incoming emails