8 Terms
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General telecom
Terms relating to telecommunication or communication through technological means.
Industry: Telecommunications
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General telecom
Data key
Telecommunications; General telecom
A cryptographic key used for authentication or for encryption and decryption.
Digital signature
Telecommunications; General telecom
A cryptographic modification of data that provides: (a) origin authentication, (b) data integrity , and (c) signer nonrepudiation (when associated with a data unit and accompanied by the ...
On-line cryptosystem
Telecommunications; General telecom
A cryptosystem in which encryption and decryption are performed in association with the transmitting and receiving functions.
Circuit-switched data transmission service
Telecommunications; General telecom
A data transmission service requiring the establishment of a circuit-switched connexion before data can be transferred from source data terminal equipment (DTE) to a sink DTE. Note: A ...
Cutback technique
Telecommunications; General telecom
A destructive technique for determining certain optical fibre transmission characteristics, such as attenuation and bandwidth, by (a) performing the desired measurements on a long length of the fibre ...
System electronic information security policy (SEI
Telecommunications; General telecom
A detailed statement of the technical aspects of a System Security Policy. Note: A System Electronic Information Security Policy provides the baseline for evaluation.
Active sensor
Telecommunications; General telecom
A detection device that requires input energy from a source other than that which is being sensed. Note: An example of an active sensor is a photoconductive cell. 2. In surveillance, a detection ...
