Which of the following is one of the major global distribution systems?

The selection of Sabre as one of the major global distribution systems (GDS) is correct because it is one of the primary platforms that facilitate the distribution of travel data. GDSs like Sabre connect travel agents and suppliers—such as airlines, hotels, and car rental services—allowing agents to easily access and book travel services on behalf of their clients. This system provides real-time information, such as availability and pricing, and is integral to the travel industry.

Amadeus is also a major GDS; however, in the context of this question, Sabre is specifically mentioned as a key player. Travelocity and Expedia, on the other hand, function more as online travel agencies (OTAs) that allow consumers to book travel directly, rather than acting primarily as GDS platforms that support travel agents in their booking processes.