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Delta Air Lines is one of the major airlines of the United States and a legacy carrier headquartered in Atlanta, Georgia. The United States' oldest operating airline and the seventh-oldest operating worldwide, Delta along with its subsidiaries and regional affiliates, including Delta Connection, operates over 5,400 flights daily and serves 325 destinations in 52 countries on six continents.
Virtual private network. A virtual private network ( VPN) is a mechanism for creating a secure connection between a computing device and a computer network, or between two networks, using an insecure communication medium such as the public Internet.
Data access layer. A data access layer ( DAL) in computer software is a layer of a computer program which provides simplified access to data stored in persistent storage of some kind, such as an entity-relational database. This acronym is prevalently used in Microsoft environments. For example, the DAL might return a reference to an object (in ...
Detroit. / 42.33139°N 83.04583°W / 42.33139; -83.04583. Detroit ( / dɪˈtrɔɪt /; dih-TROYT, locally / ˈdiːtrɔɪt /) [8] is the most populous city in the U.S. state of Michigan. It is the largest U.S. city on the United States–Canada border, and the seat of government of Wayne County. Detroit had a population of 639,111 at the ...
Time-division multiple access ( TDMA) is a channel access method for shared-medium networks. It allows several users to share the same frequency channel by dividing the signal into different time slots. [1] The users transmit in rapid succession, one after the other, each using its own time slot. This allows multiple stations to share the same ...
Single sign-on. Single sign-on ( SSO) is an authentication scheme that allows a user to log in with a single ID to any of several related, yet independent, software systems. True single sign-on allows the user to log in once and access services without re-entering authentication factors. It should not be confused with same-sign on (Directory ...
Software as a service ( SaaS / sæs / [1]) is a form of cloud computing in which the provider offers the use of application software to a client and manages all the physical and software resources used by the application. [2] The distinguishing feature of SaaS compared to other software delivery models is that it separates "the possession and ...
Access token. In computer systems, an access token contains the security credentials for a login session and identifies the user, the user's groups, the user's privileges, and, in some cases, a particular application. [1] In some instances, one may be asked to enter an access token (e.g. 40 random characters) rather than the usual password (it ...