Card 50 / 125: Which is TRUE about the system contracts defined by JCA for connectivity between Java EE-compliant application servers and EISs?
A) The "security contract" provides a prior authentication process before connecting to the EIS
B) The resource adapter can submit work to the application server according to the "Transaction contract"
C) The "connection contract" describes how the application server and the resource adapter manage, establish, pool and terminate their connections.
D) The "transaction contract" describes how the application server and the resource adapter manage, establish, pool and terminate their connections.

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