dongle(A security device connected to an input/output port to permit the use of a particular software package on that computer. The use of the hardware key hash permits backup copying of software but prevents its unlicensed use on additional computers); key(In IP security (IPSec), a value used in combination with an algorithm to encrypt or decrypt data. Key settings for IPSec are configurable to provide greater security)
DSCP(A marking in the registry that enables packets that pass through network devices that operate on Layer 3 information (such as routers) to have their relative priorities differentiated from one another)