By default, which of the following windowing behavior does Dataflow apply to unbounded data sets?

Windows at every 100 MB of data

What are the minimum permissions needed for a service account used with Google Dataproc?

Read and write to Google Cloud Storage; write to Google Cloud Logging

Execute to Google Cloud Storage; write to Google Cloud Logging

Write to Google Cloud Storage; read to Google Cloud Logging

Execute to Google Cloud Storage; execute to Google Cloud Logging

Which of these rules apply when you add preemptible workers to a Dataproc cluster (select 2 answers)?

Preemptible workers cannot store data.

A Dataproc cluster cannot have only preemptible workers.

Preemptible workers cannot use persistent disk.

If a preemptible worker is reclaimed, then a replacement worker must be added manually.

Scaling a Cloud Dataproc cluster typically involves ____.

increasing or decreasing the number of worker nodes

increasing or decreasing the number of master nodes

moving memory to run more applications on a single node

deleting applications from unused nodes periodically

Which of these is NOT a way to customize the software on Dataproc cluster instances?

Configure the cluster using Cloud Deployment Manager

Modify configuration files using cluster properties

Log into the master node and make changes from there

What is the general recommendation when designing your row keys for a Cloud Bigtable schema?

Keep your row key reasonably short

Include multiple time series values within the row key

Keep the row keep as an 8 bit integer

Keep your row key as long as the field permits

Which of the following statements is NOT true regarding Bigtable access roles?

To give a user access to only one table in a project, grant the user the Bigtable Editor role for that table.

Using IAM roles, you cannot give a user access to only one table in a project, rather than all tables in a project.

You can configure access control only at the project level.

To give a user access to only one table in a project, you must configure access through your application.

For the best possible performance, what is the recommended zone for your Compute Engine instance and Cloud Bigtable instance?

Have both the Compute Engine instance and the Cloud Bigtable instance to be in the same zone.

Have the Compute Engine instance in the furthest zone from the Cloud Bigtable instance.

Have both the Compute Engine instance and the Cloud Bigtable instance to be in different zones.

Have the Cloud Bigtable instance to be in the same zone as all of the consumers of your data.

CertyIQ - Google - Prof Data Eng - pt 9

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Practice Problem

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Easy

Katheryne Pierce

Used 9+ times

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30 questions

Show all answers

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Which Java SDK class can you use to run your Dataflow programs locally?

LocalRunner

DirectPipelineRunner

MachineRunner

LocalPipelineRunner

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

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

Apache Spark

Apache Hadoop

Apache Kafka

Apache Beam

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

The _________ for Cloud Bigtable makes it possible to use Cloud Bigtable in a Cloud Dataflow pipeline.

Cloud Dataflow connector

DataFlow SDK

BiqQuery API

BigQuery Data Transfer Service

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Does Dataflow process batch data pipelines or streaming data pipelines?

Only Batch Data Pipelines

Both Batch and Streaming Data Pipelines

Only Streaming Data Pipelines

None of the above

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

ParDo

Sink API

Source API

Data extraction

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Which Cloud Dataflow / Beam feature should you use to aggregate data in an unbounded data source every hour based on the time when the data entered the pipeline?

An hourly watermark

An event time trigger

The with Allowed Lateness method

A processing time trigger

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Which of the following is NOT true about Dataflow pipelines?

Dataflow pipelines are tied to Dataflow, and cannot be run on any other runner

Dataflow pipelines can consume data from other Google Cloud services

Dataflow pipelines can be programmed in Java

Dataflow pipelines use a unified programming model, so can work both with streaming and batch data sources

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CertyIQ - Google - Prof Data Eng - pt 9

30 questions

Which Java SDK class can you use to run your Dataflow programs locally?

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

The _________ for Cloud Bigtable makes it possible to use Cloud Bigtable in a Cloud Dataflow pipeline.

Does Dataflow process batch data pipelines or streaming data pipelines?

Which Cloud Dataflow / Beam feature should you use to aggregate data in an unbounded data source every hour based on the time when the data entered the pipeline?

Which of the following is NOT true about Dataflow pipelines?

You are developing a software application using Google's Dataflow SDK, and want to use conditional, for loops and other complex programming structures to create a branching pipeline. Which component will be used for the data processing operation?

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

Which of the following is not true about Dataflow pipelines?

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