This string method returns a copy of the string with all leading and trailing whitespace characters removed.

Cellular carriers provide mobile broadband access through 3G or ________ networks

Fill in the blank(s) with correct word

Ann, a home user, wishes to confine a wireless network to devices ONLY inside of her house. Which of the following will accomplish this?

A. Decreasing radio strength B. MAC filtering C. WEP encryption D. SSID broadcast disable