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Professional-Data-Engineer Practice Questions

Google Professional Data Engineer Exam

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Total Questions : 400

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Question # 71

What is the HBase Shell for Cloud Bigtable?

Options:

A.  

The HBase shell is a GUI based interface that performs administrative tasks, such as creating and deleting tables.

B.  

The HBase shell is a command-line tool that performs administrative tasks, such as creating and deleting tables.

C.  

The HBase shell is a hypervisor based shell that performs administrative tasks, such as creating and deleting new virtualized instances.

D.  

The HBase shell is a command-line tool that performs only user account management functions to grant access to Cloud Bigtable instances.

Discussion 0
Question # 72

The Dataflow SDKs have been recently transitioned into which Apache service?

Options:

A.  

Apache Spark

B.  

Apache Hadoop

C.  

Apache Kafka

D.  

Apache Beam

Discussion 0
Question # 73

Which of these operations can you perform from the BigQuery Web UI?

Options:

A.  

Upload a file in SQL format.

B.  

Load data with nested and repeated fields.

C.  

Upload a 20 MB file.

D.  

Upload multiple files using a wildcard.

Discussion 0
Question # 74

Which of these is not a supported method of putting data into a partitioned table?

Options:

A.  

If you have existing data in a separate file for each day, then create a partitioned table and upload each file into the appropriate partition.

B.  

Run a query to get the records for a specific day from an existing table and for the destination table, specify a partitioned table ending with the day in the format "$YYYYMMDD".

C.  

Create a partitioned table and stream new records to it every day.

D.  

Use ORDER BY to put a table's rows into chronological order and then change the table's type to "Partitioned".

Discussion 0
Question # 75

The CUSTOM tier for Cloud Machine Learning Engine allows you to specify the number of which types of cluster nodes?

Options:

A.  

Workers

B.  

Masters, workers, and parameter servers

C.  

Workers and parameter servers

D.  

Parameter servers

Discussion 0
Question # 76

Which row keys are likely to cause a disproportionate number of reads and/or writes on a particular node in a Bigtable cluster (select 2 answers)?

Options:

A.  

A sequential numeric ID

B.  

A timestamp followed by a stock symbol

C.  

A non-sequential numeric ID

D.  

A stock symbol followed by a timestamp

Discussion 0
Question # 77

You have a job that you want to cancel. It is a streaming pipeline, and you want to ensure that any data that is in-flight is processed and written to the output. Which of the following commands can you use on the Dataflow monitoring console to stop the pipeline job?

Options:

A.  

Cancel

B.  

Drain

C.  

Stop

D.  

Finish

Discussion 0
Question # 78

Which of the following job types are supported by Cloud Dataproc (select 3 answers)?

Options:

A.  

Hive

B.  

Pig

C.  

YARN

D.  

Spark

Discussion 0
Question # 79

Which of the following IAM roles does your Compute Engine account require to be able to run pipeline jobs?

Options:

A.  

dataflow.worker

B.  

dataflow.compute

C.  

dataflow.developer

D.  

dataflow.viewer

Discussion 0
Question # 80

Which of these statements about BigQuery caching is true?

Options:

A.  

By default, a query's results are not cached.

B.  

BigQuery caches query results for 48 hours.

C.  

Query results are cached even if you specify a destination table.

D.  

There is no charge for a query that retrieves its results from cache.

Discussion 0
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