Question

Since September 11, 2001, which of the following attack methods has NOT been attempted against an airport or airline?

1) Hijacking
2) Bombing
3) Cyber attack
4) Chemical attack

Answer 1

Since September 11, 2001, hijacking, bombing, cyber attack, and chemical attack have all been attempted against airports or airlines.

Step-by-step explanation:

The attack methods attempted against airports or airlines since September 11, 2001, include hijacking, bombing, cyber attack, and chemical attack.

1) Hijacking: The September 11, 2001, attacks were carried out by hijackers who seized control of four commercial airliners.

2) Bombing: Two of the hijacked planes were crashed into the Twin Towers of the World Trade Center, causing widespread destruction and loss of life.

3) Cyber Attack: There have been instances of cyber attacks targeting airports and airlines, but it is unclear whether any of these attempts were as significant as the other methods.

4) Chemical Attack: There have been no widely reported attempts of chemical attacks against airports or airlines since September 11, 2001.