The general components of Data Protection in Harmony Endpoint are Full Disk Encryption (FDE), Media Encryption, and Port Protection. This is explicitly detailed in the CP_R81.20_Harmony_Endpoint_Server_AdminGuide.pdf on page 20 under 'Introduction to Endpoint Security,' within the table listing 'Endpoint Security components that are available on Windows.' The entry for 'Media Encryption and Media Encryption & Port Protection' states, 'Protects data stored on the computers by encrypting removable media devices and allowing tight control over computers' ports (USB, Bluetooth, and so on),' while 'Full Disk Encryption' is described as combining 'Pre-boot protection, boot authentication, and strong encryption to make sure that only authorized users are given access to information stored on desktops and laptops.' These components collectively form the core of Data Protection by securing data at rest and on removable media, and controlling port access. Option B accurately lists these three components. Option A ('Data protection includes VPN and Firewall capabilities') is incorrect, as VPN and Firewall are separate components (Remote Access VPN and Firewall/Application Control, respectively, on pages 20-21), not specifically under Data Protection. Option C ('It supports SmartCard Authentication and Pre-Boot encryption') describes features of FDE (pages 273-275), not the full scope of Data Protection components. Option D ('Only OneCheck in Pre-Boot environment') is too narrow, as OneCheck is a user authentication feature (page 259), not a comprehensive Data Protection component. Thus, option B is the verified answer.

CP_R81.20_Harmony_Endpoint_Server_AdminGuide.pdf, Page 20: Introduction to Endpoint Security (lists Full Disk Encryption, Media Encryption, and Port Protection as components).