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IBM C2090-101 Latest Real Exam Study Questions - IBM C2090-101 Dumps
I BM
C2090-101
IBM Big Data Engineer
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QUESTION: 47
Which one of the following statements is TRUE?
A. Spark SQL does not support HiveQL
B. Spark SQL does not support ANSI SQL
C. To use Spark with Hive, HiveQL queries have to rewritten in Scala
D. Spark SQL allows relational queries expressed in SQL, HiveQL, or Scala
Answer: D
QUESTION: 48
Given a file named readme.txt, which command will copy the readme.txt file to the
directory on the HDFS?
A. hadoop fs -cp readme.txt hdfs://test.ibmxom:9000/
B. hadoop fs-cp hdfs://test.ibm.com:9000/ readme.txt
C. hadoop fs -put readme.txt hdfs://test.ibm.com:9000/
D. hadoop fs -put hdfs://test.ibm.com:9000/ readme.txt
Answer: A
QUESTION: 49
Which parameters are considered when configuring Big Match algorithm?
A. Search and custom requirements
B. Accuracy, search, and performance
C. Adaptive weighting and standardization
D. Empirical components, accuracy, and performance
Answer: D
QUESTION: 50
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
Answer: A
QUESTION: 51
Which of the following statements regarding Sqoop is TRUE? (Choose two)
A. All columns in a table must be imported
B. Sqoop bypasses MapReduce for enhanced performance
C. Each row from a source table is represented as a separate record in HDFS.
D. When using a password file, the file containing the password must reside in HDFS
E. Multiple options files can be specified when invoking Sqoop from the command line
Answer: D, E
QUESTION: 52
Which of the following Hive data types is directly supported in Big SQL without any
changes?
A. INT
B. STRING
C. STRUCT
D. BOOLEAN
Answer: A
QUESTION: 53
Which Biglnsights tool is able to export data from Big SQL ?
A. Ambari
B. BigSheets
C. Flume
D. Knox
Answer: B
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