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Google Data Engineer Sample Questions:

1. You are selecting services to write and transform JSON messages from Cloud Pub/Sub to BigQuery for a data pipeline on Google Cloud. You want to minimize service costs. You also want to monitor and accommodate input data volume that will vary in size with minimal manual intervention. What should you do?

A) Use Cloud Dataproc to run your transformation
B) Use Cloud Dataflow to run your transformation
C) Resize the number of worker nodes in your cluster via the command line.
D) Use the default autoscaling setting for worker instances.
E) Monitor CPU utilization for the cluste
F) Configure the job to use non-default Compute Engine machine types when needed.
G) Use Cloud Dataflow to run your transformation
H) Monitor the job system lag with Stackdrive
I) Monitor the total execution time for a sampling of job
J) Use the diagnose command to generate an operational output archiv
K) Use Cloud Dataproc to run your transformation
L) Locate the bottleneck and adjust cluster resources.

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

A) Hive
B) Spark
C) Pig
D) YARN

3. Which Google Cloud Platform service is an alternative to Hadoop with Hive?

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

4. MJTelco is building a custom interface to share dat
a. They have these requirements:
They need to do aggregations over their petabyte-scale datasets.
They need to scan specific time range rows with a very fast response time (milliseconds). Which combination of Google Cloud Platform products should you recommend?

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

5. 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 SQL
B) Cloud Datastore
C) BigQuery
D) Cloud Bigtable

Solutions: