Which of the following would provide the GREATEST benefit to the security posture of the devices?

A security analyst is configuring a large number of new company-issued laptops.

The analyst received the following requirements:

• The devices will be used internationally by staff who travel extensively.

• Occasional personal use is acceptable due to the travel requirements.

• Users must be able to install and configure sanctioned programs and productivity suites.

• The devices must be encrypted

• The devices must be capable of operating in low-bandwidth environments.

Which of the following would provide the GREATEST benefit to the security posture of the devices?
A . Configuring an always-on VPN
B . Implementing application whitelisting
C . Requiring web traffic to pass through the on-premises content filter
D . Setting the antivirus DAT update schedule to weekly