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IBM InfoSphere BigInsights Technical Mastery Test v2 Sample Questions:

1. Which of the following options contain security enhancements available in InfoSphere BigInsights (choose two) ?

A) Kerberos authentication protocol.
B) Trusted Context.
C) Secure file transfers through SFTP protocol.
D) LDAP authentication

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

A) There is no difference, as GPFS-FPO is the new open source standard version for the Hadoop file system.
B) 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.
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.

3. Which of the following compression algorithms is used by InfoSphere BigInsights to provide an additional compression option over the ones that come with the base Hadoop distribution?

A) brzip2.
B) lza.
C) gzip.
D) lzo.

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

A) MapReduce jobs are used to process vast amounts of data in-parallel on large clusters of commodity hardware in a reliable, fault-tolerant manner.
B) MapReduce jobs are used to process structured data in sequence, with fault-tolerance.
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 small amounts of data in-parallel on expensive hardware, without fault-tolerance.

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