AWS Certified Developer - Associate - Test 1

"2.What is the maximum number of SWF domains allowed in an AWS account? Choose the correct answer from the options below. Please select : A. 50 B. 100 C. 200 D. 1000"

B

"5.Company B is writing 10 items to the products table every second. Each item is 15.5Kb in size. What would be the required provisioned write throughput for best performance? Choose the correct answer from the options below. Please select : A. 10 B. 160 C. 155 D. 16"

B

"7.In DynamoDB, how many tables can an AWS account have per region? Choose the correct answer from the options below. Please select : A. 126 B. 256 C. 282 D. 255"

B

"8.Which of the following is not a benefit of a query over a scan? Choose the correct answer from the options below. Please select : A. Returns all attributes on an item B. It does not do consistent reads C. Much more efficient because it searches indexes only D. Returns the items matching the primary key search"

B

"10.For best performance when retrieving data from a table, what ""type"" of API call should you perform? Choose the correct answer from the options below. Please select : A. Filtered B. Scan C. Query D. Query then Scan"

C

"6.Company B is using strongly consistent reads to request 50 items per second from their customer table. Each item is 20KB in size. What throughout would be required to efficiently handle the read throughput of the table ? Please select : A. 150 B. 50 C. 250 D. 125"

C

"1.SQS guarantees delivery but there can be duplicates. Choose the correct answer from the options below. Please select : A. True B. False"

A

"3.Company B has created an e-commerce site using DynamoDB and is designing a products table that includes items purchased and the users who purchased the item. When creating a primary key on a table which of the following would be the best attribute for the primary key? Select the BEST possible answer. Please select : A. user_id where there are many users to few products B. product_id where there are few products to many users C. category_id where there are few categories to many products D. None of the above"

A

"4.In DynamoDB, an atomic counter allows all write requests to be applied in the order they are received by incrementing or decrementing the attribute value. Please select : A. True B. False"

A

"9.Which API call can be used to retrieve up to 100 items at a time or 1MB of data from a DynamoDB table? Choose the correct answer from the options below. Please select : A. BatchGetItem B. GetItem C. BatchItem D. ChunkGetItem"

A