IBM IBM Certifications C2090-101 Questions & Answers

• Question 61:

  What does the acronym "PCI" stand for in the phrase "PCI compliant"?

  A. Payment Card Industry

  B. Personal Credit and Income

  C. Premium Credit Inspection

  D. Proactive Controls Implementation

  Correct Answer: A

  Reference: https://www.onr.com/education-documentation/what-is-pci-compliance/

• Question 62:

  Which of the following statements regarding importing streaming data from InfoSphere Streams into Hadoop is TRUE?

  A. InfoSphere Streams utilized Spark Streaming to interface to Hadoop

  B. The HDFS operators in InfoSphere Streams use Hadoop Java APIs to access HDFS or GPFS

  C. Incoming streams from InfoSphere Streams into Hadoop are not buffered to ensure low latency

  D. Since InfoSphere Streams processes data in Streams tuple format, Hadoop must store the data in this format

  Correct Answer: B

  Reference: https://www.ibm.com/support/knowledgecenter/en/SSCRJU_4.0.1/ com.ibm.streams.toolkits.doc/doc/tk$com.ibm.streamsx.hdfs/tk$com.ibm.streamsx.hdfs.html

• Question 63:

  Which tool below can be used for extracting data directly from an RDBMS and placing a copy within BigInsights as a ready-to-query table?

  A. Flume

  B. Sqoop

  C. NZ Load

  D. Distributed Copy

  Correct Answer: B

  Reference: https://www.ibm.com/support/knowledgecenter/da/SSPT3X_4.2.0/ com.ibm.swg.im.infosphere.biginsights.import.doc/doc/data_warehouse_sqoop.html

• Question 64:

  Which format would be best for holding semi-structured data?

  A. Text

  B. Avro

  C. CSV

  D. JSON

  Correct Answer: D

• Question 65:

  Consider the following query: curl "http://localhost:8983/sorl/gettingstarted/select?wt=jsonandindent=trueandq=foundationandfl=id What is the restricted field?

  A. id

  B. json

  C. indent

  D. foundation

  Correct Answer: D

  Reference: https://lucene.apache.org/solr/6_3_0/quickstart.html

• Question 66:

  Which of the following statements about MapReduce is true?

  A. MapReduce source programs must be written in Java

  B. The output from MapReduce is one or more files stored in the DFS

  C. MapReduce programs always have four phases: Mapper, Shuffle, Combiner, and Reducer

  D. Intermediate files, sent from Map tasks to Reduce tasks, are replicated with the number of copies equal to the number of Reducers

  Correct Answer: B

• Question 67:

  Which BigInsights tool is able to export data from Big SQL?

  A. Ambari

  B. BigSheets

  C. Flume

  D. Knox

  Correct Answer: B

  Reference: https://www.ibm.com/support/knowledgecenter/en/SSCRJT_5.0.1/ com.ibm.swg.im.bigsql.tut.doc/doc/less_bsql_exptobigsh.html

• Question 68:

  Which of the following Pig Latin expressions is used to sum a set of numbers in a bag?

  A. X = FOR EACH C -> (group,SUM(A.a1))

  B. X = FOR EACH C GEN [group, SUM (A.a1)];

  C. X = FOREACH C GENERATE group, SUM (A.a1);

  D. X = FOREACH C GENERATE FLATTEN SUM (A.a1);

  Correct Answer: C

  Reference: https://github.com/rjurney/Cloud-Stenography/blob/master/CloudStenography/pig-0.3.0/src/ docs/src/documentation/content/xdocs/piglatin.xml

• Question 69:

  How are insights derived from Big Match moved to an MDM system?

  A. Extract insights from HBase and load into MDM through an API call

  B. Extract insights from Hive and load into MDM using standard tooling

  C. Extract insights from HDFS and load into MDM by stimulating delta load

  D. Extract insights from HBase and load into MDM using standard MDM batch processing tool

  Correct Answer: C

• Question 70:

  Which of the following is TRUE about a Resilient Distributed Dataset?

  A. It is always mutable

  B. It is always immutable

  C. It can be configured to be either mutable or immutable

  D. It can be changed from mutable to immutable state during its life cycle

  Correct Answer: B

  Reference: http://beyondcorner.com/learn-apache-spark/spark-rdd-resilient-distributed-datasets/