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Which two characteristics define Amazon Quantum Ledger Database?

a. Key-value data model; transactionally consistent with ACID semantics.

b. Document data model; transactionally consistent with ACID semantics.

c. Key-value data model; transactions with tunable consistency.

d. Document data model; transactions with tunable consistency.

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Which two characteristics define Amazon Quantum Ledger Database?

Answer:-  Document data model; transactionally consistent with ACID semantics.

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