A customer has security concerns about classified local data being compromised if the laptop isstolen. The customers laptop has Windows 2000 utilizing the FAT16 file system. Which of the following actions should be taken？（）

• A、Upgrade the operating system to Windows XP Home.
• B、Have the customer convert to NTFS and enable data encryption.
• C、Tell the customer that a laptop should not be used for classified data.
• D、Configure the wireless adapter to only connect to secure networks.