AWS-Certified-Big-Data-Specialty Exam Questions – Latest May 2018 Dumps
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Vendor: Amazon
Certifications: Amazon Specialty
Exam Name: AWS Certified Big Data – Specialty
Exam Code: AWS-Certified-Big-Data-Specialty
Total Questions: 346
♥ 2018 Valid AWS-Certified-Big-Data-Specialty Exam Questions ♥
AWS-Certified-Big-Data-Specialty exam questions, AWS-Certified-Big-Data-Specialty PDF dumps; AWS-Certified-Big-Data-Specialty exam dumps:: https://www.dumpsschool.com/AWS-Certified-Big-Data-Specialty-exam-dumps.html (346 Q&A) (New Questions Are 100% Available! Also Free Practice Test Software!)
Latest and Most Accurate Amazon AWS-Certified-Big-Data-Specialty Dumps Exam Questions and Answers:
Question: 1
In regard to DynamoDB, when you create a table with a hash-and-range key _________________
A. You can optionally define one or more secondary indexes on that table
B. You must define one or more secondary indexes on that table
C. You must define one or more Global secondary indexes on that table
D. You must define one or more Local secondary indexes on that table
Answer: A
Explanation:
When you create a table with a hash-and-range key, you can optionally define one or more secondary indexes on that table. A secondary index lets you query the data in the table using an alternate key, in addition to queries against the primary key.
Reference:
http://docs.aws.amazon.com/amazondynamodb/latest/developerguide/DataModel.html
Question: 2
Amazon DynamoDB supports these scalar data types: ______________.
A. Number and String
B. Number and Binary
C. Number, String, and Binary
D. Number, String, Binary and Datetime
Answer: C
Explanation:
Amazon DynamoDB supports three scalar data types: Number, String, and Binary. Additionally, Amazon DynamoDB supports multi-valued types: Number Set, String Set, and Binary Set.
Reference:
http://docs.aws.amazon.com/amazondynamodb/latest/developerguide/SecondaryIndexes.html
Question: 3
True or false: In DynamoDB, it is up to you to manage the partitioning and re-partitioning of your data over additional DynamoDB tables if you need additional scale.
A. True, It is optional to re-partition by yourself or automatically.
B. False, DynamoDB automatically partitions your data and workload.
C. False, the table size is fixed and you cannot re-partition it.
D. True, AWS DynamoDB does automatic partitioning and SSD technologies to meet your throughput requirements and deliver low latencies at any scale.
Answer: B
Explanation:
Amazon DynamoDB automatically partitions your data and workload over a sufficient number of servers to meet the scale requirements you provide.
Reference:
https://aws.amazon.com/dynamodb/faqs/
Question: 4
Complete this statement: “When you load your table directly from an Amazon ___________ table, you have the option to control the amount of provisioned throughput you consume.”
A. DataPipeline
B. S3
C. DynamoDB
D. RDS
Answer: C
Explanation:
When you load your table directly from an Amazon DynamoDB table, you have the option to control the amount of Amazon DynamoDB provisioned throughput you consume.
Reference: http://docs.aws.amazon.com/redshift/latest/dg/t_Loading_tables_with_the_COPY_command.html
Question: 5
In DynamoDB, which of the following operations is not possible by the console?
A. Copying an item
B. Updating an item
C. Deleting an item
D. Blocking an item
Answer: D
Explanation:
By using the console to manage DynamoDB, you can perform the following: adding an item, deleting an item, updating an item, and copying an item.
Reference: http://docs.aws.amazon.com/amazondynamodb/latest/developerguide/AddUpdateDeleteItems.html
Question: 6
DynamoDB uses _____ only as a transport protocol, not as a storage format.
A. JSON
B. XML
C. SGML
D. WDDX
Answer: A
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