Clock
Test duration:
20
min
Notes
No. of questions:
10
Tie
Level of experience:
Entry/Mid/Expert

Big Data - Sqoop Test

Our Apache Sqoop skills test enables recruiters and hiring managers to hire job-fit candidates quickly and make unbiased decisions. This test helps hire Hadoop Developers in Sqoop and big data Developers in Sqoop. Our assessment test reduces hiring costs by 40%.

10753
+
Candidates
Assessed
180
+
Organizations Served
Fujitsu
Paypal
Capgemini
Deloitte
Coupa
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About

Apache Sqoop Online Assessment Test

Apache Sqoop online test assists employers in evaluating the Sqoop skills of a candidate before an interview. Sqoop is one of the designed tools that help 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 skill assessments are specially designed to check the application and practical skills of a Sqoop developer – as per industry standards.

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.

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How it works

Test Summary

Our subject matter experts (SMEs) design Sqoop Screening Test to evaluate the job skills of the applicant and their knowledge of the tool. 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.

Sqoop Assessment Test may contain MCQs (Multiple Choice Questions), MAQs (Multiple Answer Questions), Fill in the Blanks, Descriptive, Whiteboard Questions, Audio/Video Questions, AI-LogicBox, Coding Simulations, True or False Questions, etc.

Test Duration
20
No. of Questions
10
Level of Expertise
Entry/Mid/Expert
Useful for hiring
  • Hadoop Developer - Sqoop
  • Big Data Developer - Sqoop
Topics Covered
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Sqoop-Based Connector

iMocha’s Apache Sqoop online test helps recruiters to assess candidate’s understanding about connectors used in Sqoop which provides support for plugins that gives connectivity to external systems

Sqoop Import and Export Commands

Our Apache Sqoop skills test evaluates candidates&
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MySQL Databases

Our Sqoop assessment test checks candidate’s knowledge about MySQL databases which is a Relational Database Management System (RDBMS)
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Disk I/O and Network I/O

This test evaluates candidate’s understanding about input/output operations on a disk and input/output operations on a network
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Database Tables

Database tables are cells where data is stored in row or columns
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Sample Question
Choose from our 100,000+ questions library or add your own questions to make powerful custom tests.

Question types :

Multiple Option

Topic:

Difficulty:

Hard


Q 1. You have been asked to train « Naive Bayes model for spam detection dataset

Using Python command, what wil you add in the given code at XXXX to deciore, it and train your modal for the given dataset?

import numpy os np

X= nporroyll 3. 2b[1 21 [2.21.[3,21)
Y= nporray(fi.a,a.1))

XXXX

from skinamnaive_bayas import

Gaussianna

otf = Gaussianne()

ceataie(x ¥)

from skinamnaive_bayas import

Gaussianna

otf = Gaussianne()

ceataie(x ¥)

from skinamnaive_bayas import

Gaussianna

otf = Gaussianne()

ceataie(x ¥)

from skinamnaive_bayas import

Gaussianna

otf = Gaussianne()

ceataie(x ¥)

Question types :

Multiple Option

Topic:

Machine teaming

Difficulty:

Hard


Q 1. Q2 Lets assume that you have 6 Pandas DataFrome(af) in the below tole.

Index Code Open High
0 AAPL 19877 70074
1 AAPL 19877 70074
2 AAPL 19877 70074
3 AAPL 19877 70074
4 AAPL 19877 70074

When the following commend is executed, what hoppens to the DatoFrome?

df= defiinat()
Y= nporray(fi.a,a.1))

Index Code Open High
0 AAPL 19877 70074
1 AAPL 19877 70074
2 AAPL 19877 70074
3 AAPL 19877 70074
4 AAPL 19877 70074
Index Code Open High
0 AAPL 19877 70074
1 AAPL 19877 70074
2 AAPL 19877 70074
3 AAPL 19877 70074
4 AAPL 19877 70074
it gives an error becouse of the third row which has on empty string.
None of these

Question types :

Multiple Option

Topic:

Difficulty:

Easy

Question:

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)


Options

  • 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
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