C2090-101 Online Practice Questions and Answers
The number of partitions created by DynamicPartitions in Hive can be controlled by which of the following?
A. hive.exec.max.dynamic.partitions.pernode
B. hive.exec.max.dynamic.partitions
C. hive.exec.max.created.files
D. All of the above
Which of the following is not a capability of Pig?
A. Low-latency queries
B. Schemas are optional
C. Nested relational data model
D. A high level abstraction on top of MapReduce
Which of the following are capabilities of the Apache Spark project?
A. Large scale machine learning
B. Large scale graph processing
C. Live data stream processing
D. All of the above
Which BigInsights tool is able to export data from Big SQL?
A. Ambari
B. BigSheets
C. Flume
D. Knox
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
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
Which of the following statements regarding Sqoop is TRUE?
A. Output files are always delimited text files in HDFS
B. The import of a single database table results in multiple files in HDFS
C. When exporting data back to a database, a target table will be created if it doesn't already exist
D. Sqoop processes the entire database table as a single unit rather than row-by-row for enhanced performance
What are the key elements that IBM Big Match Probabilistic Matching Engine leverages?
A. Wildcard and sorting
B. Wildcard and phonetics
C. Phonetics and searching
D. Phonetics and nicknames
Which of the following Hadoop command flags are used to copy data to the HDFS? (Choose two.)
A. cp
B. put
C. get
D. copyToLocal
E. copyFromLocal
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