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Google Professional-Data-Engineer Exam Overview:

Certification Vendor:Google Cloud
Exam Name:Google Cloud Certified Professional Data Engineer
Exam Number:Professional-Data-Engineer
Available Languages:Japanese, English
Exam Format:Multiple-select, Multiple-choice
Related Certifications:Google Cloud Certified Professional Data Engineer
Exam Duration:120 minutes
Real Exam Qty:50-60
Exam Price:$200 USD
Certificate Validity Period:2 years
Passing Score:Not officially published (estimated ~80%)
Sample Questions:Google Professional-Data-Engineer Sample Questions
Exam Way:Online (remote proctored) or at a testing center (Kryterion)
Pre Condition:No mandatory prerequisites. Recommended: 3+ years of industry experience including 1+ years designing and managing solutions using Google Cloud.
Official Syllabus URL:https://cloud.google.com/learn/certification/data-engineer

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Google Professional-Data-Engineer exam is a certification exam offered by Google Cloud Platform. It is designed for data professionals who are looking to demonstrate their expertise in designing, building, and managing data processing systems on Google Cloud Platform. Professional-Data-Engineer Exam Tests the candidate's knowledge of data engineering, data processing, and data analysis techniques using Google Cloud Platform tools and services.

Google Certified Professional Data Engineer Exam Sample Questions (Q314-Q319):

NEW QUESTION # 314
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)?

Answer: B,C

Explanation:
...using a timestamp as the first element of a row key can cause a variety of problems. In brief, when a row key for a time series includes a timestamp, all of your writes will target a single node; fill that node; and then move onto the next node in the cluster, resulting in hotspotting. Suppose your system assigns a numeric ID to each of your application's users. You might be tempted to use the user's numeric ID as the row key for your table. However, since new users are more likely to be active users, this approach is likely to push most of your traffic to a small number of nodes.
Reference:
https://cloud.google.com/bigtable/docs/schema-design-time-series#ensure_that_your_row_key_avoids_hotspotting


NEW QUESTION # 315
Which of the following is NOT one of the three main types of triggers that Dataflow supports?

Answer: A

Explanation:
There are three major kinds of triggers that Dataflow supports: 1. Time-based triggers 2. Data-driven triggers. You can set a trigger to emit results from a window when that window has received a certain number of data elements. 3. Composite triggers. These triggers combine multiple time-based or data-driven triggers in some logical way


NEW QUESTION # 316
Which of the following job types are supported by Cloud Dataproc (select 3 answers)?

Answer: A,C,D

Explanation:
Cloud Dataproc provides out-of-the box and end-to-end support for many of the most popular job types, including Spark, Spark SQL, PySpark, MapReduce, Hive, and Pig jobs.
Reference:
https://cloud.google.com/dataproc/docs/resources/faq#what_type_of_jobs_can_i_run


NEW QUESTION # 317
You are architecting a data transformation solution for BigQuery. Your developers are proficient with SQL and want to use the ELT development technique. In addition, your developers need an intuitive coding environment and the ability to manage SQL as code. You need to identify a solution for your developers to build these pipelines. What should you do?

Answer: C


NEW QUESTION # 318
You decided to use Cloud Datastore to ingest vehicle telemetry data in real time. You want to build a storage system that will account for the long-term data growth, while keeping the costs low. You also want to create snapshots of the data periodically, so that you can make a point-in-time (PIT) recovery, or clone a copy of the data for Cloud Datastore in a different environment. You want to archive these snapshots for a long time.
Which two methods can accomplish this? (Choose two.)

Answer: B,D


NEW QUESTION # 319
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