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Google GCP-DE Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Managing and optimizing solutions | 20%-25% | - Reliability and scalability
|
| Topic 2: Designing data processing systems | 22%-27% | - Designing for data ingestion
|
| Topic 3: Building and operationalizing data processing systems | 28%-33% | - Building data processing systems
|
| Topic 4: Ensuring solution quality | 20%-25% | - Security and compliance
|
Google Data Engineer Sample Questions:
Suppose you have a table that includes a nested column called "city" inside a column called "person", but when you try to submit the following query in BigQuery, it gives you an error.
SELECT person FROM `project1.example.table1` WHERE city = "London"
How would you correct the error?
- A. Add ", UNNEST(city)" before the WHERE clause.
- B. Change "person" to "person.city".
- C. Add ", UNNEST(person)" before the WHERE clause.
- D. Change "person" to "city.person".
Correct Answer: C 🗳️
Explanation: Only visible for VCE4Plus members. You can sign-up / login (it's free).
Cloud Dataproc is a managed Apache Hadoop and Apache service.
- A. Ignite
- B. Fire
- C. Spark
- D. Blaze
Correct Answer: C 🗳️
Explanation: Only visible for VCE4Plus members. You can sign-up / login (it's free).
You are building a new application that you need to collect data from in a scalable way. Data arrives continuously from the application throughout the day, and you expect to generate approximately 150 GB of JSON data per day by the end of the year. Your requirements are: Decoupling producer from consumer Space and cost-efficient storage of the raw ingested data, which is to be stored indefinitely Near real-time SQL query Maintain at least 2 years of historical data, which will be queried with SQ Which pipeline should you use to meet these requirements?
- A. Create an application that publishes events to Cloud Pub/Sub, and create a Cloud Dataflow pipeline that transforms the JSON event payloads to Avro, writing the data to Cloud Storage and BigQuery.
- B. Create an application that writes to a Cloud SQL database to store the dat
- C. Write a tool to poll the API and write data to Cloud Storage as gzipped JSON files.
- D. Set up periodic exports of the database to write to Cloud Storage and load into BigQuery.
- E. Create an application that provides an AP
- F. Create an application that publishes events to Cloud Pub/Sub, and create Spark jobs on Cloud Dataproc to convert the JSON data to Avro format, stored on HDFS on Persistent Disk.
Correct Answer: E 🗳️
The YARN ResourceManager and the HDFS NameNode interfaces are available on a Cloud Dataproc cluster .
- A. conditional node
- B. worker node
- C. master node
- D. application node
Correct Answer: C 🗳️
Explanation: Only visible for VCE4Plus members. You can sign-up / login (it's free).
When using Cloud Dataproc clusters, you can access the YARN web interface by configuring a browser to connect through a proxy.
- A. VPN
- B. HTTP
- C. HTTPS
- D. SOCKS
Correct Answer: D 🗳️
Explanation: Only visible for VCE4Plus members. You can sign-up / login (it's free).
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