Welcome to CHOOLS DYNAMO DB ASSESSMENT (YOU HAVE ONLY 30 MINUTES TO COMPLETE THIS PART [20 Questions]) **** Wishing You All The Best **** Instructions : To start the quiz, please provide your name, email id and phone number. All questions are mandatory* Answering each question is required before going on to the next page of questions. Your response is subject to change at any time. After completed the quiz click the submit button. If, once the time is up, it will be automatically submitted. The report will be mailed to your email address after the quiz is finished. 1. Do The strongly consistent reads always deliver current data? True False2. ____ types represent a complex structure possessing nested attributes and include lists and maps. Scalar Document Set3. Tags are not supported by DynamoDB. True False4. ____ service allows you to handle large amounts of data rapidly and effectively? Amazon's Elastic MapReduce (EMR) Amazon's MapReduce Amazon's Hive MapReduce5. Eventually Consistent readings always return current data? True False6. Which of the following atomic operation does DynamoDB supports? Increment atomic operation Decrement atomic operation Both None7. DynamoDB uses which of the following consistent reads to support dynamic application needs? Eventually consistent Strongly consistent Both8. ____ indexes enable you to query table data using a different key? Composite Secondary Primary9. ____ can export and import data to and from a table, file, or S3 bucket. Sharding Data Pipeline Data Shifting10. How many types of primary keys does DynamoDB use? 5 4 3 211. This straightforward primary key consists of a single property known as the ____? partition key sort key12. For data reading, DynamoDB provides how many low-level operations? 2 4 5 613. What is the limit to create a global secondary index per table? No Limit 5 4 614. Partition and sort keys may differ from table keys in ____ type of secondary index. Global secondary indexes Local secondary indexes15. Can you connect to EC2 instances without the key pair? Yes No16. Does DynamoDB provide Aggregation functions? Yes No17. DynamoDB tables are ____? Schema less Schema Full Mix18. Which of the following data type category in DynamoDB represent a single value, and include number, string, binary, Boolean, and null? Scalar Document Set19. Which of the following data-reading action, does many GetItem calls on various items using primary keys, with the option of using one or more tables? GetItem BatchGetItem Scan Query20. DynamoDB is a ____ database? NoSQL SQL5 out of 4
