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Google GCP-DE Exam Syllabus Topics:

Google Data Engineer Sample Questions:

1. You work for a mid-sized enterprise that needs to move its operational system transaction data from an on-premises database to GCP. The database is about 20 TB in size. Which database should you choose?

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

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

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

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

4. As your organization expands its usage of GCP, many teams have started to create their own projects. Projects are further multiplied to accommodate different stages of deployments and target audiences. Each project requires unique access control configurations. The central IT team needs to have access to all projects. Furthermore, data from Cloud Storage buckets and BigQuery datasets must be shared for use in other projects in an ad hoc way. You want to simplify access control management by minimizing the number of policies. Which two steps should you take? Choose 2 answers.

A) Create distinct groups for various teams, and specify groups in Cloud IAM policies.
B) For each Cloud Storage bucket or BigQuery dataset, decide which projects need acces
C) Find all the active members who have access to these projects, and create a Cloud IAM policy to grant access to all these users.
D) Use Cloud Deployment Manager to automate access provision.
E) Only use service accounts when sharing data for Cloud Storage buckets and BigQuery datasets.
F) Introduce resource hierarchy to leverage access control policy inheritance.

5. 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)?

A) A timestamp followed by a stock symbol
B) A sequential numeric ID
C) A non-sequential numeric ID
D) A stock symbol followed by a timestamp

Solutions: