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Apache Sqoop Online Assessment Test

Topics covered

Sqoop-Based Connector, Disk I/O and Network I/O, MySQL Databases, Database Tables, Sqoop Import and Export Commands

  • MAQ (Multiple Answer Question)
  • MCQ (Multiple Choice Question)
  • Descriptive Question
  • White Board Simulator
  • Coding Simulator
  • Audio Question
  • Video Question
  • Case Study Question
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Apache Sqoop Online Test assists employers to evaluate the Sqoop skills of a candidate before an interview. Sqoop is one of the designed tools which help to transfer data from SQL to Hadoop and Hadoop to SQL and other mainframes or relational databases. Apache Sqoop helps to automate most of the processes and relies on the database to describe the schema for the data.  Apache Sqoop Skills Assessment Test is specially designed to check application and practical skills of a Sqoop developer – as per Industry Standards.
 

Sqoop Assessment Test contains questions on following Topics:
 

  • Sqoop-Based Connector

  • Disk I/O and Network I/O

  • MySQL Databases

  • Database Tables

  • Sqoop Import and Export Commands 


Sqoop Screening Test is designed by our subject matter experts to evaluate the job skills of applicant and their knowledge about Sqoop. Using powerful reporting, you can have a detailed analysis of the test results to help you make a better hiring decision and predict the candidate’s performance.

The test contains MCQ's (Multiple Choice Questions), MAQ's (Multiple Answer Questions), Fill in the Blank, Descriptive, True or False.

This pre-employment test is useful for hiring:

  • Hadoop Developer - Sqoop

  • Big Data Developer - Sqoop

Test details:

Sqoop Pre employment Test enables employers and recruiters to identify potential hires by evaluating working skills and job readiness. For this reason, the emphasis is laid upon evaluating the knowledge of applied skills gained through real work experience, rather than theoretical knowledge.

Test Details: 20 minutes 

15 Application Questions

05 Theory Questions 

The combination of Application and Theory questions helps to evaluate Technical as well as practical Skills of Candidates.

Big Data - Sqoop Test

Question #1 of 3

When running the sqoop command with --hive-import and Sqoop cannot figure out column names, we meet the NullPointerException, how can we fix this?

11/09/21 17:18:49 INFO manager.OracleManager: Time zone has been set to GMT
11/09/21 17:18:49 DEBUG manager.SqlManager: Using fetchSize for next query: 1000
11/09/21 17:18:49 INFO manager.SqlManager: Executing SQL statement: SELECT t.* FROM addlabel_pris t WHERE 1=0
11/09/21 17:18:49 DEBUG manager.OracleManager$ConnCache: Caching released connection for jdbc:oracle:thin:
11/09/21 17:18:49 ERROR sqoop.Sqoop: Got exception running Sqoop:
java.lang.NullPointerException
java.lang.NullPointerException
at com.cloudera.sqoop.hive.TableDefWriter.getCreateTableStmt(TableDefWriter.java:148)
at com.cloudera.sqoop.hive.HiveImport.importTable(HiveImport.java:187)
at com.cloudera.sqoop.tool.ImportTool.importTable(ImportTool.java:362)
at com.cloudera.sqoop.tool.ImportTool.run(ImportTool.java:423)
at com.cloudera.sqoop.Sqoop.run(Sqoop.java:144)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
at com.cloudera.sqoop.Sqoop.runSqoop(Sqoop.java:180)
at com.cloudera.sqoop.Sqoop.runTool(Sqoop.java:219)
at com.cloudera.sqoop.Sqoop.runTool(Sqoop.java:228)
at com.cloudera.sqoop.Sqoop.main(Sqoop.java:237)

    • Specify the user name, which Sqoop is connecting as in the upper case.

    • Specify the table name, which you are working with, in upper case.

    • This happens because the client uses wrong Sqoop command.

    • None of the mentioned

Question #2 of 3

When we import the data to Hive use --hive-home

, which environment variable will high priority?

    • <dir> will be highest priority

    • Current environment variable will be the highest priority

    • Sqoop will use own hive location

    • All of the mentioned

Question #3 of 3

What is the purpose of this argument --direct-split-size when we import data from RDBMS to Hadoop?

    • Split the input stream every n bytes when importing in direct mode

    • Split the input stream every n rows when importing in direct mode

    • Split the input stream every n mapper when importing in direct mode

    • Split the input stream every n times when importing in direct mode

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24.00 Out of 40.00
Pass
60%
03
23 Minutes

Java EE

9/10

Hibernate

3/10

Oracle PL/SQL

7/10

Analytical Thinking

5/10

Note:If score<= 30% then its a Weakness. If score >=70% then its a Strength.

Strengths

Java EE, Oracle PL/SQL, Analytical Thinking

Weaknesses

Hibernate

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