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Google GCP-DE Exam Syllabus Topics:

Google Data Engineer Sample Questions:

1. You are creating a new pipeline in Google Cloud to stream IoT data from Cloud Pub/Sub through Cloud Dataflow to BigQuery. While previewing the data, you notice that roughly 2% of the data appears to be corrupt. You need to modify the Cloud Dataflow pipeline to filter out this corrupt data. What should you do?

A) Add a Partition transform in Cloud Dataflow to separate valid data from corrupt data.
B) Add a ParDo transform in Cloud Dataflow to discard corrupt elements.
C) Add a GroupByKey transform in Cloud Dataflow to group all of the valid data together and discard the rest.
D) Add a SideInput that returns a Boolean if the element is corrupt.

2. You are building a model to predict whether or not it will rain on a given day. You have thousands of input features and want to see if you can improve training speed by removing some features while having a minimum effect on model accuracy. What can you do?

A) Remove the features that have null values for more than 50% of the training records.
B) Eliminate features that are highly correlated to the output labels.
C) Instead of feeding in each feature individually, average their values in batches of 3.
D) Combine highly co-dependent features into one representative feature.

3. What Dataflow concept determines when a Window's contents should be output based on certain criteria being met?

A) Windows
B) Triggers
C) OutputCriteria
D) Sessions

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

5. Flowlogistic's management has determined that the current Apache Kafka servers cannot handle the data volume for their real-time inventory tracking system. You need to build a new system on Google Cloud Platform (GCP) that will feed the proprietary tracking software. The system must be able to ingest data from a variety of global sources, process and query in real-time, and store the data reliably. Which combination of GCP products should you choose?

A) Cloud Pub/Sub, Cloud SQL, and Cloud Storage
B) Cloud Pub/Sub, Cloud Dataflow, and Cloud Storage
C) Cloud Load Balancing, Cloud Dataflow, and Cloud Storage
D) Cloud Pub/Sub, Cloud Dataflow, and Local SSD

Solutions: