What Is War Chalking

Multiple Choice

What is war chalking?

A) Allows mobile voice calls to be made over broadband networks, creating-under the right network conditions-clearer audio and fewer dropped calls.
B) The practice of tagging pavement with codes displaying where Wi-Fi access is available.
C) Deliberately searching for Wi-Fi signals while driving by in a vehicle.
D) Remotely controls smartphones and tablets, ensuring data security.