QUESTION: 5

In DynamoDB, which of the following operations is not possible by the console?

Copying an item
Updating an item
Deleting an item
Blocking an item

Answer(s): 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

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QUESTION: 6

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

JSON
XML
SGML
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

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QUESTION: 7

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

Units of Capacity required for reads
Range key
Hash key
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

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QUESTION: 8

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

Browse Items
Details
Alarms
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

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QUESTION: 5

Explanation:

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QUESTION: 6

Explanation:

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QUESTION: 7

Explanation:

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QUESTION: 8

Explanation:

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