单选题A customer, Bob, needs to be able to access the Internet while traveling. Which of the following could Jill, a technician, recommend to Bob?（）A Cellular service with an adapter for Bob’s laptop.B USB adapter with 802.11n capabilities for maximum speeds
题目
单选题
A customer, Bob, needs to be able to access the Internet while traveling. Which of the following could Jill, a technician, recommend to Bob?（）
A
Cellular service with an adapter for Bob’s laptop.
B
USB adapter with 802.11n capabilities for maximum speeds.
C
A Bluetooth card to attach to multiple networks.
D
Enable Wi-Fi so Bob can connect to any open network.