| Subject | English | Danish |
| IT | distant loopback | fjerntilbagesløjfning |
| commun. | local loopback address | lokal loopback-adresse |
| comp., MS | loopback address | tilbagekoblingsadresse (The address of the local computer used for routing outgoing packets back to the source computer. This address is used primarily for testing) |
| commun. | loopback field | loopback-felt |
| commun. | loopback function | loopback-funktion |
| commun. | loopback message | loopback-meddelelse |
| IT | loopback test | sløjfe-tilbagekoblingsprøve |
| commun. | loopback,to | tilbagekoble |
| IT, el. | test loopback | sløjfetilbagekobling til afprøvning |