Juan is a network administrator for an insurance company. His company has a number of traveling salespeople. He is concerned about confidential data on their laptops. What is the best way for him to address this?

Full-disk encryption (FDE) fully encrypts the hard drive on a computer. This is an effective method for ensuring the security of data on a computer.
Trusted Platform Modules (TPMs) are store keys and are used for boot integrity and other cryptographic needs and won’t directly protect the data.
Software-defined networking (SDN) is virtualized networking, and demilitarized zones (DMZs) are used to segment a network and won’t affect this problem.