The default file extension for a PowerPoint presentation is ________

An attacker to a network is using social engineering to attack a network. This means which of the following? (Select all that apply.)

A) The attacker uses a dictionary attack. B) The attacker uses packet sniffing. C) The attacker claims to be from network support. D) The attacker is sifting through discarded trash.

Customer profiles, census data, and economic forecasts are examples of external data.

Answer the following statement true (T) or false (F)