Which statements about DynamoDB are true? (Choose two.)
A.
DynamoDB uses a pessimistic locking model
B.
DynamoDB uses optimistic concurrency control
C.
DynamoDB uses conditional writes for consistency
D.
DynamoDB restricts item access during reads
E.
DynamoDB restricts item access during writes
B, C
http://www.aiotestking.com/amazon/which-statements-about-dynamodb-are-true/
2
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B. DynamoDB uses optimistic concurrency control
C. DynamoDB uses conditional writes for consistency
1
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BC
0
0