War-walking and war-driving are methods used by intruders who walk or drive around with a Wi-Fi -enabled computer with a powerful antenna to locate open wireless networks that they can use for malicious activities. True False Question 4 The usage of a mobile device for personal and business purposes may expose the user to higher security risks. True False Question 5 The three main components of a wireless network security program are authentication, confidentiality, and encryption. True False