ORA defines the concept of Data Grid. Which of the following is the most accurate definition of Data Grid?
A.
A Data Grid is a cluster of databases providing scalability and high availability.
B.
A Data Grid is a system composed of multiple servers that work together to manage Information and related operations such as computations in a distributed environment.
C.
A Data Grid is used for data mirroring and data replication.
D.
A Data Grid is a tool used to perform ETL (Extract-Transform-Load).
Suggested Answer:B🗳️
A Data Grid is a system composed of multiple servers that work together to manage information and related operations such as computations in a distributed environment. Note: An In-Memory Data Grid is a Data Grid that stores the information in memory to achieve very high performance, and uses redundancy by keeping copies of that information synchronized across multiple servers to ensure the resiliency of the system and the availability of the data in the event of server failure. Reference: Oracle Reference Architecture, Application Infrastructure Foundation, Release 3.0
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