Online Access Free Snowflake.DEA-C01.v2024-11-04.q118 Practice Test (Page 2)

DEA-C01 Exam Question 1

A data engineer must manage the ingestion of real-time streaming data into AWS. The data engineer wants to perform real-time analytics on the incoming streaming data by using time- based aggregations over a window of up to 30 minutes. The data engineer needs a solution that is highly fault tolerant.
Which solution will meet these requirements with the LEAST operational overhead?

A.Use an AWS Lambda function that includes both the business and the analytics logic to perform time-based aggregations over a window of up to 30 minutes for the data in Amazon Kinesis Data Streams.

B.Use Amazon Managed Service for Apache Flink (previously known as Amazon Kinesis Data Analytics) to analyze the data that might occasionally contain duplicates by using multiple types of aggregations.

C.Use an AWS Lambda function that includes both the business and the analytics logic to perform aggregations for a tumbling window of up to 30 minutes, based on the event timestamp.

D.Use Amazon Managed Service for Apache Flink (previously known as Amazon Kinesis Data Analytics) to analyze the data by using multiple types of aggregations to perform time-based analytics over a window of up to 30 minutes.

DEA-C01 Exam Question 2

A company is building an analytics solution. The solution uses Amazon S3 for data lake storage and Amazon Redshift for a data warehouse. The company wants to use Amazon Redshift Spectrum to query the data that is in Amazon S3.
Which actions will provide the FASTEST queries? (Choose two.)

A.Use file formats that are not splittable.

B.Use a columnar storage file format.

C.Split the data into files that are less than 10 KB.

D.Partition the data based on the most common query predicates.

E.Use gzip compression to compress individual files to sizes that are between 1 GB and 5 GB.

DEA-C01 Exam Question 3

A data engineer creates an AWS Lambda function that an Amazon EventBridge event will invoke.
When the data engineer tries to invoke the Lambda function by using an EventBridge event, an AccessDeniedException message appears.
How should the data engineer resolve the exception?

A.Ensure that the trust policy of the Lambda function execution role allows EventBridge to assume the execution role.

B.Ensure that both the IAM role that EventBridge uses and the Lambda function's resource-based policy have the necessary permissions.

C.Ensure that the subnet where the Lambda function is deployed is configured to be a private subnet.

D.Ensure that EventBridge schemas are valid and that the event mapping configuration is correct.

DEA-C01 Exam Question 4

PARTITION_TYPE = USER_SPECIFIED must be used when you prefer to add and remove par-titions selectively rather than automatically adding partitions for all new files in an external storage location that match an expression?

A.TRUE

B.FALSE

DEA-C01 Exam Question 5

For the most efficient and cost-effective Data load experience, Data Engineer needs to inconsider-ate which of the following considerations?

A.Split larger files into a greater number of smaller files, maximize the processing over-head for each file.
(Correct)

B.Enabling the STRIP_OUTER_ARRAY file format option for the COPY INTO <ta-ble> command to remove the outer array structure and load the records into separate table rows.

C.Amazon Kinesis Firehose can be convenient way to aggregate and batch data files which also allows defining both the desired file size, called the buffer size, and the wait interval after which a new file is sent, called the buffer interval.

D.When preparing your delimited text (CSV) files for loading, the number of columns in each row should be consistent.

E.if the "null" values in your files indicate missing values and have no other special mean-ing, Snowflake recommend setting the file format option STRIP_NULL_VALUES to TRUE when loading the semi-structured data file.

Other Version: 2587Snowflake.DEA-C01.v2025-05-21.q101; 1941Snowflake.DEA-C01.v2023-08-10.q54

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DEA-C01 Exam Question 1

DEA-C01 Exam Question 2

DEA-C01 Exam Question 3

DEA-C01 Exam Question 4

DEA-C01 Exam Question 5

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