R
RAID 0

The process of taking several disks and combing them into one large, maximum-speed disk.

RAID 1

A bit-for-bit copy that is exchanged from one drive to another.

RAID 5

Drives that use a parity bit to ensure data redundancy and spread data across as many drives as possible, creating points of failure but also expanding overall drive capacity.

read-only domain controllers (RODC)

Domain controllers that are designed to be placed in secure locations and require writable domain controllers to be placed with them.

realm trust

Trusts that exist between a Windows infrastructure and a Unix domain.

Remote Authentication Dial-in User Service (RADIUS)

A protocol designed to support and administer remotely connected users to a server. RADIUS ...

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