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IBM InfoSphere BigInsights Technical Mastery Test v2 Sample Questions:

1. Which of the following options best describes the proper usage of MapReduce jobs in Hadoop environments?

A) MapReduce jobs are used to process small amounts of data in-parallel on expensive hardware, without fault-tolerance.
B) MapReduce jobs are used to process vast amounts of data in-parallel on large clusters of commodity hardware in a reliable, fault-tolerant manner.
C) MapReduce jobs are used to execute sequential search outside the Hadoop environment using a built-in UDF to access information stored in non-relational databases.
D) MapReduce jobs are used to process structured data in sequence, with fault-tolerance.

2. For maximum stability, the recommended number of dedicated hosts in order to implement the high availability configuration for BigInsights (consisting of the HA manager, the NameNode, and the JobTracker) is:

A) 1
B) 2
C) 3
D) 4

3. Which of the following components is NOT included in the BigInsights Basic Edition distribution?

A) Hive.
B) BigSheets.
C) Hadoop Distributed File System.
D) Pig.

4. What is a major difference between HDFS and GPFS-FPO?

A) Unlike HDFS, GPFS-FPO is a kernel level, POSIX compliant, and highly available file system that allows for standard applications to also use the storage area marked for Hadoop use.
B) There is no difference, as GPFS-FPO is the new open source standard version for the Hadoop file system.
C) Unlike HDFS, GPFS-FPO is a kernel level, POSIX compliant file system that allows for standard applications to also use the storage area marked for Hadoop use. Like HDFS, GPFSFPO also has an issue with the meta data name node service which may be a single point of failure.
D) There is no difference, GPFS-FPO is just IBM version of HDFS in BigInsights.

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