The ____________________ Commit Protocol Guarantees That If a Portion of a Transaction

question 60

Short Answer

The ____________________ commit protocol guarantees that if a portion of a transaction operation cannot be committed,all changes made at the other sites participating in the transaction will be undone to maintain a consistent database state.

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Definitions:

Near-field Communication

A set of communication protocols for communication between two electronic devices over a distance of 4 cm or less, often used for contactless transactions.

IoT

Stands for Internet of Things, which refers to the network of physical objects (things) that are embedded with sensors, software, and other technologies for the purpose of connecting and exchanging data with other devices and systems over the internet.

MiFi

A portable broadband device that allows multiple end users and mobile devices to share a 3G or 4G mobile broadband Internet connection and create an ad-hoc network.

Bluetooth

A wireless technology standard for exchanging data over short distances from fixed and mobile devices, enabling the creation of personal area networks.