Databricks-Certified-Data-Engineer-Associate無料問題集「Databricks Certified Data Engineer Associate」

質問 1

Which of the following describes when to use the CREATE STREAMING LIVE TABLE (formerly CREATE INCREMENTAL LIVE TABLE) syntax over the CREATE LIVE TABLE syntax when creating Delta Live Tables (DLT) tables using SQL?

（A）CREATE STREAMING LIVE TABLE should be used when data needs to be processed through complicated aggregations.

（B）CREATE STREAMING LIVE TABLE is redundant for DLT and it does not need to be used.

（C）CREATE STREAMING LIVE TABLE should be used when data needs to be processed incrementally.

（D）CREATE STREAMING LIVE TABLE should be used when the previous step in the DLT pipeline is static.

（E）CREATE STREAMING LIVE TABLE should be used when the subsequent step in the DLT pipeline is static.

正解：C 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 2

A data organization leader is upset about the data analysis team's reports being different from the data engineering team's reports. The leader believes the siloed nature of their organization's data engineering and data analysis architectures is to blame.
Which of the following describes how a data lakehouse could alleviate this issue?

（A）Both teams would reorganize to report to the same department

（B）Both teams would use the same source of truth for their work

（C）Both teams would be able to collaborate on projects in real-time

（D）Both teams would respond more quickly to ad-hoc requests

（E）Both teams would autoscale their work as data size evolves

正解：B 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 3

A data engineer has realized that the data files associated with a Delta table are incredibly small. They want to compact the small files to form larger files to improve performance.
Which of the following keywords can be used to compact the small files?

（A）REDUCE

（B）VACUUM

（C）REPARTITION

（D）OPTIMIZE

（E）COMPACTION

正解：D 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 4

In order for Structured Streaming to reliably track the exact progress of the processing so that it can handle any kind of failure by restarting and/or reprocessing, which of the following two approaches is used by Spark to record the offset range of the data being processed in each trigger?

（A）Checkpointing and Write-ahead Logs

（B）Replayable Sources and Idempotent Sinks

（C）Structured Streaming cannot record the offset range of the data being processed in each trigger.

（D）Checkpointing and Idempotent Sinks

（E）Write-ahead Logs and Idempotent Sinks

正解：A 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 5

A data engineer needs to determine whether to use the built-in Databricks Notebooks versioning or version their project using Databricks Repos.
Which of the following is an advantage of using Databricks Repos over the Databricks Notebooks versioning?

（A）Databricks Repos supports the use of multiple branches

（B）Databricks Repos allows users to revert to previous versions of a notebook

（C）Databricks Repos is wholly housed within the Databricks Lakehouse Platform

（D）Databricks Repos provides the ability to comment on specific changes

（E）Databricks Repos automatically saves development progress

正解：A 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 6

A data engineer wants to create a new table containing the names of customers that live in France.
They have written the following command:

A senior data engineer mentions that it is organization policy to include a table property indicating that the new table includes personally identifiable information (PII).
Which of the following lines of code fills in the above blank to successfully complete the task?

（A）"COMMENT PII"

（B）TBLPROPERTIES PII

（C）COMMENT "Contains PII"

（D）There is no way to indicate whether a table contains PII.

（E）PII

正解：C 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 7

A data engineer needs access to a table new_table, but they do not have the correct permissions. They can ask the table owner for permission, but they do not know who the table owner is.
Which of the following approaches can be used to identify the owner of new_table?

（A）Review the Owner field in the table's page in the cloud storage solution

（B）Review the Permissions tab in the table's page in Data Explorer

（C）There is no way to identify the owner of the table

（D）All of these options can be used to identify the owner of the table

（E）Review the Owner field in the table's page in Data Explorer

正解：E 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 8

A new data engineering team has been assigned to work on a project. The team will need access to database customers in order to see what tables already exist. The team has its own group team.
Which of the following commands can be used to grant the necessary permission on the entire database to the new team?

（A）GRANT CREATE ON DATABASE customers TO team;

（B）GRANT CREATE ON DATABASE team TO customers;

（C）GRANT VIEW ON CATALOG customers TO team;

（D）GRANT USAGE ON CATALOG team TO customers;

（E）GRANT USAGE ON DATABASE customers TO team;

正解：E 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 9

What is stored in a Databricks customer's cloud account?

（A）Data

（B）Databricks web application

（C）Notebooks

（D）Cluster management metadata

正解：A 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 10

A Delta Live Table pipeline includes two datasets defined using STREAMING LIVE TABLE. Three datasets are defined against Delta Lake table sources using LIVE TABLE.
The table is configured to run in Development mode using the Continuous Pipeline Mode.
Assuming previously unprocessed data exists and all definitions are valid, what is the expected outcome after clicking Start to update the pipeline?

（A）All datasets will be updated once and the pipeline will shut down. The compute resources will be terminated.

（B）All datasets will be updated once and the pipeline will persist without any processing. The compute resources will persist but go unused.

（C）All datasets will be updated at set intervals until the pipeline is shut down. The compute resources will persist until the pipeline is shut down.

（D）All datasets will be updated once and the pipeline will shut down. The compute resources will persist to allow for additional testing.

（E）All datasets will be updated at set intervals until the pipeline is shut down. The compute resources will persist to allow for additional testing.

正解：C 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

Databricks-Certified-Data-Engineer-Associate 無料問題集「Databricks Certified Data Engineer Associate」

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