AWS Certified Developer Associate Practice Test 1

Correct answer - "20" : One read capacity unit represents one strongly consistent read per second for an item up to 4 KB in size. If you need to read an item that is larger than 4 KB, DynamoDB will need to consume additional read capacity units. 1) Item Size / 4KB , rounding to nearest whole number. a. So, in the above case , 6KB / 4 KB = 1.5 or 2 read capacity units.

2) 1 read capacity unit per item (since strongly consistent read) × No of reads per second a. So, in the above case 2 x 10 = 20 read capacity units.

Incorrect:

"60"

"30"

"10"

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