A Developer Is Writing an Application That Runs on Amazon

Multiple Choice

A Developer is writing an application that runs on Amazon EC2 instances in an Auto Scaling group. The application data is stored in an Amazon DynamoDB table and records are constantly updated by all instances. An instance sometimes retrieves old data. The Developer wants to correct this by making sure the reads are strongly consistent. How can the Developer accomplish this?

A) Set ConsistentRead to true when calling GetItem.
B) Create a new DynamoDB Accelerator (DAX) table.
C) Set Consistency to strong when calling UpdateTable.
D) Use the GetShardIterator command.