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- 330+ Multiple choice Questions and Answers for real exam
Databricks®
has now newer version of Spark Certification in which they would
be testing your concepts, underline Spark Engine Knowledge, How
Spark works, What is Catalyst optimizer and how it works, and
extensively DataFrame API and Some part of Spark SQL functions.
See below FAQ and Syllabus for more detail. And for that in the
same 2 Hrs. exam they are having tonly one section as below.
- Multiple Choice Exam
HadoopExam is delighted to announce that, as previously we are also having material for preparing for this new version of the Exam as well. As per new syllabus we have 330+ multiple choice questions and few of the fill in the blanks questions to test DataFrame API extensively. In this Exam your knowledge would be tested for the Spark 2.4 using Python-3. Since last 6 years in the BigData world, one of the fastest growing technology is Spark for sure. Every BigData solution provider has to adopt Spark technology on their platform whether its Cloudera, Hortonworks, MapR, IBM etc. All these companies knows the power of Spark and the way Spark had changed the BigData, Analytics and Data Science industry. At the same time Spark itself had changed a lot to make itself gold standard BigData technology and one big driver behind that is Databricks. There are mainly two topics which would be tested for this certification and these are below.
- Basics of Spark Architecture
- Applied DataFrame API (For manipulating the data)
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| PR000017 : Databricks Certified
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Syllabus and FAQ
Question-1: What is the name of the current Apache Spark Certification which is conducted by the Databricks?
Answer: Databricks Certified Associate Developer for Apache Spark 2.4. However, for two different languages there are two different certifications. One is for Python and Other one is for the Scala. While exam registration you have to choose one of the programming languages in which you want to appear.
Question-2: What are core topics which are tested in this Apache Spark Certification?
Answer: There are mainly two topics which would be tested for this certification and these are below.
- Basics of Spark Architecture
- Applied DataFrame API (For manipulating the data)
Question-3: What is asked or assess for the DataFrame API?
Answer: In the Databricks Certified Associate Developer for Apache Spark 2.4 certification mainly access following from the DataFrame API
- Data
Manipulation in a SparkSession using DataFrame API. Which
include following things
- Selecting Columns
- Renaming Columns
- Manipulating Columns
- Filtering Data
- Dropping Columns and Data
- Sorting Data
- Row Aggregations
- Handling Missing Data
- Combining DataFrame
- Reading DataFrame
- Writing DataFrame
- DataFrame Partitioning
- DataFrame Partitioning with Schema
- Working with UDF
- SparkSQL Functions
- Spark
Architecture
- Basics of Spark Architecture
- Execution Modes
- Deployment Modes
- Execution Hierarchy
- Fault Tolerance
- Garbage Collection
Question-4: Is there any basic requirement or hands on experience with the Spark DataFrame API?
Answer: In this exam it is expected that you have at-least 6 months of Hands on experience. However, this is not mandatory. HadoopExam.com also wants that you practice well the Questions and Answers provided to you. Understand the various concepts with the DataFrame API and solve the program-based questions given.
Question-5: Is there any hands-on questions in the real exam?
Answer: No, there are no hands-on questions for these certifications. But don’t take multiple choice questions lightly because there are many questions which are based on lengthy program. Similar, questions you would find in practice questions. Provided by HadoopExam.com on this page.
Question-6: Do I need an extensive knowledge of Scala and Python?
Answer: It is not expected from you to have extensive knowledge of Scala or Python programming knowledge. But you must have basic understanding of the either programming language. If you want to learn Python or Scala. You can consider the below trainings provided by HadoopExam.com
Question-7: How many questions are there in the real certification exam?
Answer: There would be in total 60 questions given which would be MCQ (Multiple Choice Questions). You would be given 120 minutes to solve the same.
Question-8: What is the passing score and each question has separate weightage?
Answer: You need to score 70% which is equivalent to the 42 questions. So, each question has equal weightage.
Question-9: Is this exam or certification is an open book exam?
Answer: No, this is not an open book exam. But to help you with the API. You would be provided PDF version of Apache Spark Documentation. Which we don’t think highly useful. Because if you go through documentation then it would be good amount of time wastage. And should be avoided and must be used only during question review which are tough to answer. But this is not open book exam and you would not be able to search answer on the Google.
Question-10: Any other material would be provided during real exam?
Answer: Below material would be provided during the real exam.
- API doc in either Scala or Python. Based on the language you would choose in PDF format.
- Digital Notepad (which you can use of scratch work or writing sample program). However, please note that this is not a real environment where you can run your code.
Question-11: How soon I get real exam result?
Answer: Your exam would be graded immediately and receive a score report immediately. And within a week you would be receiving your certificate in digital format.
Question-12: In which languages this exam currently available?
Answer: As of now this exam is available only in English language.
Question-13: Does this Spark Certificate expires?
Answer: No, for Specific Spark version certificate would never expire. But as soon as new version of Spark is released this certificate naturally expires.
Question-14: How much this real exam cost?
Answer: This exam is having $200 + taxes (if applicable). For each exam retake you have to pay the same fee.
Question-15: Do I know in the score report which question I have wrongly answered?
Answer: No, Databricks does not provide any specific detail about the questions you answered. Like which one was correct and which one are wrong. Use material provided by HadoopExam.com for scoring highest score.
Question-16: Can I go testing center and appear for the exam?
Answer: Now world is changing towards maximum online. Mostly learnt things from COVID-19 pandemic. And Databricks is also conducting this exam completely online and you don’t have to go any test center for this exam.
Question-17: Databricks send Hard Copy of the certification?
Answer: No, Databricks does not send the Hard Copy of the certificate. You need to download and if required you can print the same.
Question-18: Can you please let me know what percentage of the questions are asked for each section?
Answer: Below are the three main section with the approximate number of questions. Which would be asked in the real exam.
- Spark Architecture: Concept Based Question: 17%: 10 Questions
- Spark Architecture: Applied Understanding: 11%: 6/7 Questions
- Spark DataFrame API applications: 72%: 43/44 Questions
Question-19: Is individual questions has time limit?
Answer: No, you need to complete all 60 Questions in 120 minutes. HadoopExam recommends that you spend less amount of time on Architecture section as there you don’t have to solve the problem and just your concepts would be tested. So, all architecture based 16/17 questions should not take more than 15 minutes. But DataFrame API based questions are complex and matter a lot for passing your exam. And you need to spend more time on that.
Question-20: Is this exam specific to the Databricks platform?
Answer: No, this exam is testing Open Source Apache Spark and no questions would be asked based on the Databricks platform.
Question-21: Is there any language specific questions are being asked in this exam?
Answer: No, in this exam you would be choosing either Scala or Python programming language. And language specific concepts like Dataset’s encoders, Decoders, Python Vectorized UDF are not part of this certification exam.
Question-22: Is there any specific book for this certification preparation?
Answer: As of now this does not exist. But keep checking this page. HadoopExam technical team is writing the book and that would be helpful for this certification. Please keep monitoring this link for the same.
Questio-23: Is SparkSQL knowledge is enough for passing this certification exam?
Answer: No, certainly SparkSQL is part of this Databricks certification exam. But not good enough to pass this certification exam.
Question-24: HadoopExam.com provide any discount or voucher for the real exam certification?
Answer: No, HadoopExam.com as of now does not provide any voucher for this certification exam.
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