AWS Certified Developer - Associate - Test 2
13.How many secondary indexes are allowed per table? Choose the correct answer from the options below. Please select : A. There is no limit B. 10 C. 5 D. 1
B
12.For how long can a SWF workflow task or task execution can live up to? Choose the correct answer from the options below. Please select : A. 14 days B. 24 hours C. 1 year D. 3 days
C
16.When can you add a Global Secondary Index to a table? Choose the correct answer from the options below. Please select : A. Anytime but a request to AWS is required so they do it for you B. Anytime as long as it is done with the AWS console C. Anytime if it is a global index D. Only at table creation time
C
18.Company B has a DynamoDB table where the average item size is 10KB. Company B anticipates the application will read 100 items from the table per second using eventually consistent reads. How much read capacity throughput should they provision? Choose the correct answer from the options below. Please select : A. 200 B. 300 C. 150 D. 100
C
14.You can define up to 5 local secondary indexes and 5 global secondary indexes per table. How can you increase your DynamoDB secondary indexes limit in a region? Please select : A. DynamoDB does not allow secondary index limit increase B. By contacting AWS and requesting a limit increase C. By calling the UpdateLimit API call D. DynamoDB can't increase secondary index limit, so you increase it by writing code that uses multiple regions
A
15.Company B has many users updating the same table. At times it is not uncommon for multiple users to update the same item and attribute of an item at the same time. If user A calls an item in a table to update an attribute at the same time as user B and user B updates the table first, what can we deploy in DynamoDB to ensure User A is not updating an item that was updated since User A's table read? Choose the correct answer from the options below. Please select : A. Conditional Writes B. Eventual Consistency C. Extra API read calls to determine if the data was updated before the update call is made D. Atomic Counters
A
17.How many global secondary indexes are allowed per table? Choose the correct answer from the options below. Please select : A. 5 B. 1 C. 10 D. 15
A
19.Which of the following datatypes can be indexed in DynamoDB. Choose 3 answers from the options given below Please select : A. String B. Number C. List D. Boolean
A,B,D
20.What are the consistency models available for Local Secondary Indexes in DynamoDB? Choose 2 answers from the options given below Please select : A. Strong consistent reads B. Primary reads C. Secondary reads D. Eventual consistent reads
A,D
11.What is the primary difference between a global secondary index and a local secondary index? Choose the correct answer from the options below. Please select : A. A global secondary index has the same partition key as the primary key and the local secondary index has a different partition and sort key B. The global secondary index is not region specific C. There are no differences D. A local secondary index has the same partition key as the primary key and the global secondary index can have different partition and sort key
D
