IBM C2090-101 Online Practice Questions and Exam Preparation

IBM C2090-101 Online Questions & Answers

• Question 91:

  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
  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

• Question 92:

  A Resilient Distributed Dataset with Replicated storage level does which of the following?

  A. Protects from data loss by recomputing the data
  B. Allows you to continue running the task in case of a node failure
  C. Guarantees a performance benefit
  D. Both "Protects from data loss by recomputing the data" and "Allows you to continue running the task in case of a node failure"
  A. Protects from data loss by recomputing the data

• Question 93:

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

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

• Question 94:

  Which component of BigInsights is able to mask data items so as restrict viewing of sensitive data?

  A. Flume
  B. HDFS
  C. Oozie
  D. Big SQL
  D. Big SQL

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  Reference: https://developer.ibm.com/hadoop/docs/biginsights-ibm-open-platform/biginsights-value-add/big-sql/maximize-hadoop-data-security-ibm-infosphere-biginsights/

• Question 95:

  Which of the following is NOT a characteristic of a consistent region?

  A. Support for non-deterministic applications
  B. Support for single-threaded operators only
  C. Allows "at-least-once" processing by using replayable data sources
  D. Allows "exactly-once" processing if using an external system that can detect duplicate tuples or can restore its state after a failure
  B. Support for single-threaded operators only

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  Reference: https://developer.ibm.com/streamsdev/2015/02/20/processing-tuples-least-infosphere-streams-consistent-regions/

• Question 96:

  Which command can be used to move data from HDFS into an existing table in a relational database?

  A. sqoop
  B. hadoop fs -put
  C. hadoop fs -copyToLocal
  D. hadoop fs -copyFromLocal
  A. sqoop

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  Reference: https://www.google.com/url?sa=tandrct=jandq=andesrc=sandsource=webandcd=5andcad=rjaanduact=8andved=2ahUKEwjay5__o8TeAhUryIUKHQyiDVYQFjAEegQIBBACandurl=https%3A%2F%2Fwww.ibm.com%2Fdeveloperworks%2Fcommunity %2Ffiles%2Fbasic%2Fanonymous%2Fapi%2Flibrary%2F3d16d834-9481-4741-8921-fe4cb5e9c93c%2Fdocument%2Fab7d3a7c-2850-4ee1-821b-f6caa1939310%2Fmedia% 2FHadoop_IBM_Big_Insights.pptandusg=AOvVaw1S0xKgU96Ljobe3K3D-1bA

• Question 97:

  The input to the Reduce function is __________.

  A. Sorted by key
  B. Sorted by value
  C. Grouped by mapper
  D. Shuffled into random order
  A. Sorted by key

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  Reference: https://www.ibm.com/support/knowledgecenter/SSZUMP_7.3.0/foundations_sym/symphony_developer_objects.html

• Question 98:

  Which BigInsights components are essential for Big Match operations?

  A. Social Data Analytics (SDA)
  B. HDFS, HBase, and BigSheets
  C. HDFS and HBase
  D. MapReduce framework, BigInsights cluster management
  D. MapReduce framework, BigInsights cluster management

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  Reference: https://www.ibm.com/support/knowledgecenter/SSWSR9_11.3.0/com.ibm.swg.im.mdmhs.pmebi.doc/topics/pme_bi_architecture.html

• Question 99:

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

  A. InfoSphere Streams can only write to HDFS not read from HDFS
  B. InfoSphere Streams can only write directly to BigInsights, not other Hadoop distributions like Hortonworks or Cloudera
  C. A Streams developer needs to account for the fact that BigInsights may not be able to absorb the incoming streams at the rate InfoSphere Streams is sending them
  D. Adding a Big Data toolkit operator (for writing to Hadoop) to an InfoSphere Streams Processing Language (SPL) application requires that the SPL application be recompiled
  B. InfoSphere Streams can only write directly to BigInsights, not other Hadoop distributions like Hortonworks or Cloudera

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  Reference: https://books.google.com.pk/books?id=6BmLCwAAQBAJandpg=PA15andlpg=PA15anddq=InfoSphere+Streams+can+only+write+directly+to+BigInsights,+not+other+Hadoop+distributions+like+Hortonworks+or +Clouderaandsource=blandots=bAX5_-opwFandsig=ACfU3U2rhwLKLEes37evjJfMzxYMLP7NxQandhl=enandsa=Xandved=2ahUKEwi6gY2soffoAhWIzaQKHREADDkQ6AEwAHoECBcQJg#v=onepageandq=InfoSphere%20Streams%20can%20only% 20write%20directly%20to%20BigInsights%2C%20not%20other%20Hadoop%20distributions%20like%20Hortonworks%20or%20Clouderaandf=false

• Question 100:

  When creating a configuration file for a Flume agent, which of the following must be configured?

  A. An interceptor
  B. A database configuration file
  C. A source, a sink, and a channel
  D. All of the above
  C. A source, a sink, and a channel

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  Flume agents consist of three elements: a source, a channel, and a sink. The channel connects the source to the sink. You must configure each element in the Flume agent. Different source, channel, and sink types have different configurations

  Reference: https://www.ibm.com/support/knowledgecenter/SSCKRH_1.0.3/alerts/c_fcai_modflumeagents.html