| Subject | English | Lithuanian |
| gen. | bid challenge | užginčijimas |
| gen. | bid challenge | pretenzija |
| med., R&D. | challenge area | veikiamas plotas |
| med., pharma., R&D. | challenge dose | provokacinė dozė |
| comp., MS | Challenge Handshake Authentication Protocol | patvirtinimo prašymu protokolas (A challenge-response authentication protocol for Point-to-Point Protocol (PPP) connections described in RFC 1994. It uses the industry-standard MD5 hashing algorithm to hash the combination of a challenge string issued by the authenticating server and the user's password in the response) |
| med., health., anim.husb. | challenge virus | užkrečiamasis virusas |
| comp., MS | HIP challenge | HIP užduotis (A challenge meant to be easily solved by humans, while remaining too hard to be economically solved by computers) |
| health., anim.husb. | homologous challenge | homologinis užkrėtimas |
| industr. | industrial challenge | pramonės uždavinys |
| comp., MS | payment instrument challenge | mokėjimo priemonės patvirtinimas (A fraud prevention mechanism that attempts to verify that an individual using a payment instrument is authorized to use or is the owner of that instrument) |