Google GCP-DE : Data Engineer

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Google Data Engineer Sample Questions:

1. You are planning to migrate your current on-premises Apache Hadoop deployment to the cloud. You need to ensure that the deployment is as fault-tolerant and cost-effective as possible for long-running batch jobs. You want to use a managed service. What should you do?

A) Store data in Cloud Storage, and change references in scripts from hdfs:// to gs://
B) Store data in Cloud Storage, and change references in scripts from hdfs:// to gs://
C) Install the Cloud Storage connector, and store the data in Cloud Storag
D) Change references in scripts from hdfs:// to gs://
E) Use a standard persistent disk and 50% preemptible worker
F) Change references in scripts from hdfs:// to gs://
G) Install Hadoop and Spark on a 10-node Compute Engine instance group with standard instance
H) Deploy a Cloud Dataproc cluste
I) Use an SSD persistent disk and 50% preemptible worker
J) Deploy a Cloud Dataproc cluste
K) Install Hadoop and Spark on a 10-node Compute Engine instance group with preemptible instances.Store data in HDF

2. You are designing the database schema for a machine learning-based food ordering service that will predict what users want to eat. Here is some of the information you need to store:
The user profile: What the user likes and doesn't like to eat
The user account information: Name, address, preferred meal times
The order information: When orders are made, from where, to whom
The database will be used to store all the transactional data of the product. You want to optimize the data schem a. Which Google Cloud Platform product should you use?

A) Cloud Datastore
B) Cloud SQL
C) BigQuery
D) Cloud Bigtable

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

A) Windows at every 10 minutes
B) Windows at every 1 minute
C) Single, Global Window
D) Windows at every 100 MB of data

4. You are planning to use Google's Dataflow SDK to analyze customer data such as displayed below. Your project requirement is to extract only the customer name Passing Certification Exams Made Easy visit - https://www.2PassEasy.com from the data source and then write to an output PCollection.
Tom,555 X street Tim,553 Y street Sam, 111 Z street
Which operation is best suited for the above data processing requirement?

A) Data extraction
B) Sink API
C) Source API
D) ParDo

5. You need to deploy additional dependencies to all of a Cloud Dataproc cluster at startup using an existing initialization action. Company security policies require that Cloud Dataproc nodes do not have access to the Internet so public initialization actions cannot fetch resources. What should you do?

A) Use an SSH tunnel to give the Cloud Dataproc cluster access to the Internet
B) Copy all dependencies to a Cloud Storage bucket within your VPC security perimeter
C) Deploy the Cloud SQL Proxy on the Cloud Dataproc master
D) Use Resource Manager to add the service account used by the Cloud Dataproc cluster to the Network User role

Solutions: