Download IBM.C2090-101.Train4Sure.2018-11-22.28q.vcex

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Exam IBM Big Data Engineer
Number C2090-101
File Name IBM.C2090-101.Train4Sure.2018-11-22.28q.vcex
Size 18 KB
Posted Nov 22, 2018
Download IBM.C2090-101.Train4Sure.2018-11-22.28q.vcex

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Demo Questions

Question 1

Which of the following Jaq operators groups one or more arrays based on key values and applies an aggregate expression?


  1. join
  2. group
  3. expand
  4. transform
Correct answer: B
Explanation:
Reference: https://books.google.com.pk/books?id=Qj-5BQAAQBAJ&pg=PA174&lpg=PA174&dq=Jaq+operators+groups+one+or+more+arrays+based+on+key+values+and+applies+an+aggregate+expression&source=bl&ots=zobr8AZzWy&sig=ZRCIH9ee4Un3Aam1hX8TzxfrfQI&hl=en&sa=X&redir_esc=y#v=onepage&q=Jaq%20operators%20groups%20one%20or%20more%20arrays%20based%20on%20key%20values%20and%20applies%20an%20aggregate%20expression&f=false
Reference: https://books.google.com.pk/books?id=Qj-5BQAAQBAJ&pg=PA174&lpg=PA174&dq=Jaq+operators+groups+one+or+more+arrays+based+on+key+values+and+applies+an+aggregate+expression&source=bl&ots=zobr8AZzWy&sig=ZRCIH9ee4Un3Aam1hX8TzxfrfQI&hl=en&sa=X&redir_esc=y#v=onepage&q=Jaq%20operators%20groups%20one%20or%20more%20arrays%20based%20on%20key%20values%20and%20applies%20an%20aggregate%20expression&f=false



Question 2

Which of the following are CRUD operations available in HBase? (Choose two.)


  1. HTable.Put
  2. HTable.Read
  3. HTable.Delete
  4. HTable.Update
  5. HTable.Remove
Correct answer: AC
Explanation:
Reference: https://www.tutorialspoint.com/hbase/hbase_client_api.htm
Reference: https://www.tutorialspoint.com/hbase/hbase_client_api.htm



Question 3

Which statement is TRUE about Big SQL?


  1. The table definition can include other attributes such as the primary key or check constraints
  2. When using Big SQL, the CREATE TABLE statement cannot be embedded in an application program
  3. If a sub-table is being defined, the authorization ID can be either the same as the owner of the root table or an equivalent
  4. When defining a staging table associated with a materialized query table, the privileges held by the authorization ID of the statement only works with DBADM authority
Correct answer: D
Explanation:
Reference: https://www.ibm.com/support/knowledgecenter/fi/SSCRJT_5.0.2/com.ibm.swg.im.bigsql.commsql.doc/doc/r0000927.html
Reference: https://www.ibm.com/support/knowledgecenter/fi/SSCRJT_5.0.2/com.ibm.swg.im.bigsql.commsql.doc/doc/r0000927.html



Question 4

Which of the following statements is TRUE regarding search visualization with Apache Hue?


  1. Hue submits MapReduce jobs to Oozie
  2. No additional setup is required to secure your session cookies
  3. Hue applications require some code to be installed on the client
  4. The File Browser application allows you to perform keyword searches across your Hadoop data
Correct answer: A



Question 5

A Resilient Distributed Dataset supports which of the following?


  1. Creating a new dataset from an old one
  2. Returning a computed value to the driver program
  3. Both A and B
  4. Neither A nor B
Correct answer: C
Explanation:
Reference: https://spark.apache.org/docs/latest/rdd-programming-guide.html (RDD operations)
Reference: https://spark.apache.org/docs/latest/rdd-programming-guide.html (RDD operations)



Question 6

In order for an SPSS Modeler stream to be incorporated for use in an InfoSphere Streams application leveraging SPSS Modeler Solution Publisher, you need to:


  1. add a Type node
  2. insert any Output node
  3. add a Table node as the terminal node
  4. Make the terminal node a scoring branch
Correct answer: D



Question 7

Which of the following Hive data types is directly supported in Big SQL without any changes?


  1. INT
  2. STRING
  3. STRUCT
  4. BOOLEAN
Correct answer: B
Explanation:
Reference: https://www.ibm.com/support/knowledgecenter/en/SSCRJT_5.0.1/com.ibm.swg.im.bigsql.dev.doc/doc/biga_numbers.html
Reference: https://www.ibm.com/support/knowledgecenter/en/SSCRJT_5.0.1/com.ibm.swg.im.bigsql.dev.doc/doc/biga_numbers.html



Question 8

Which parameters are considered when configuring Big Match algorithm?


  1. Search and custom requirements
  2. Accuracy, search, and performance
  3. Adaptive weighting and standardization
  4. Empirical components, accuracy, and performance
Correct answer: B



Question 9

The GPFS implementation of Data Management API is compliant to which Open Group storage management Standard?


  1. XSH
  2. XBD
  3. XDSM
  4. X / Open
Correct answer: C
Explanation:
Reference: https://www.ibm.com/support/knowledgecenter/en/SSFKCN_4.1.0/com.ibm.cluster.gpfs.v4r1.gpfs400.doc/bl1dmp_intro.htm
Reference: https://www.ibm.com/support/knowledgecenter/en/SSFKCN_4.1.0/com.ibm.cluster.gpfs.v4r1.gpfs400.doc/bl1dmp_intro.htm



Question 10

Which file format support Column data compression? (Choose two.)


  1. Text
  2. Avro
  3. RCFile
  4. Parquet
  5. Sequence_text
Correct answer: CD









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