AWS DynamoDB perguntas e respostas de entrevista
Pergunta 36. How does DynamoDB handle encryption at rest and in transit?
DynamoDB encrypts data at rest using AWS Key Management Service (KMS) and supports encrypted connections (SSL/TLS) for data in transit.
Pergunta 37. What is the purpose of the 'DescribeTable' operation in DynamoDB?
The 'DescribeTable' operation provides metadata about a table, including its schema, provisioned throughput settings, and the status of any secondary indexes.
Pergunta 38. Explain the concept of Capacity Units in DynamoDB.
Capacity Units represent the throughput that a table can handle. Read Capacity Units (RCUs) and Write Capacity Units (WCUs) determine the amount of read and write operations a table can support.
Pergunta 39. What is the purpose of the 'ListTables' operation in DynamoDB?
'ListTables' provides a list of all the tables in a given AWS account and region. It does not require the use of the table's primary key.
Pergunta 40. Explain the concept of the 'UpdateTable' operation in DynamoDB.
'UpdateTable' is used to modify the provisioned throughput settings for a table. It can be used to increase or decrease the capacity of a table.
Mais uteis segundo os usuarios:
- What is DynamoDB?
- Explain the concept of the 'GetItem' operation in DynamoDB.
- How does DynamoDB handle transactions?