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Amazon BDS-C00 Exam
AWS Certified Big Data -Speciality (Page 3 )

Updated On: 9-Feb-2026
Page 3 of 100
PDF with 492 Questions

DynamoDB uses only as a transport protocol, not as a storage format.

  1. JSON
  2. XML
  3. SGML
  4. WDDX

Answer(s): A

Explanation:

DynamoDB uses JSON only as a transport protocol, not as a storage format. The AWS SDKs use JSON to send data to DynamoDB, and DynamoDB responds with JSON, but DynamoDB does not store data persistently in JSON format.


Reference:

http://docs.aws.amazon.com/amazondynamodb/latest/developerguide/Programming.LowLevelAPI.html



When you create a table in DynamoDB, which one of the following bits of information is not obligatory to be provided?

  1. Units of Capacity required for reads
  2. Range key
  3. Hash key
  4. Units of Capacity required for writes

Answer(s): B

Explanation:

To create a table in DynamoDB, you should provide the table name, the attribute name for the primary Hash key, as well as throughput units, read and write units capacity.


Reference:

http://docs.aws.amazon.com/amazondynamodb/latest/developerguide/GettingStartedCreateTables.html



In the DynamoDB console, you can choose the _ tab to view some key CloudWatch metrics for a selected table.

  1. Browse Items
  2. Details
  3. Alarms
  4. Metrics

Answer(s): D

Explanation:

In the DynamoDB console, you can choose the Metrics tab to view some key CloudWatch metrics for a selected table.


Reference:

http://docs.aws.amazon.com/amazondynamodb/latest/developerguide/MonitoringConsole_DynamoDB.html



Which of the following statements is correct of Amazon DynamoDB?

  1. Data in DynamoDB cannot be shifted to Amazon Redshift. Instead, data can be shifted to Amazon
    CloudWatch.
  2. Every item in a DynamoDB table is identified by a foreign key, which allows you to quickly access data items.
  3. DynamoDB does not support multiple native data types (numbers, strings, binaries, and multi- valued attributes).
  4. DynamoDB does not have a fixed schema. Instead, each data item may have a different number of attributes.

Answer(s): D

Explanation:

DynamoDB does not have a fixed schema. Instead, each data item may have a different number of attributes. Multiple data types (strings, numbers, binary, and sets) add richness to the data model.


Reference:

http://awsdocs.s3.amazonaws.com/dynamodb/latest/dynamodb-dg.pdf



What kind of service is provided by AWS DynamoDB?

  1. Relational Database
  2. Document Database
  3. Dynamic Database
  4. NoSQL Database

Answer(s): D

Explanation:

DynamoDB is a fast, fully managed NoSQL database service.


Reference:

http://aws.amazon.com/dynamodb/






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