IBM P2090-038 : IBM InfoSphere BigInsights Technical Mastery Test v2

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IBM P2090-038 Exam Syllabus Topics:

IBM InfoSphere BigInsights Technical Mastery Test v2 Sample Questions:

1. How is data stored in a Hadoop cluster?

A) The data is divided into blocks, and copies of these blocks are replicated across multiple servers in the Hadoop cluster.
B) The data converted into a single block, and the block is stored in just one of the servers in the Hadoop cluster.
C) The data is divided into blocks, each block is stored in a different server in the Hadoop cluster, but the blocks are not replicated.
D) The data is converted into a single block, and copies of this block are replicated across multiple servers in the Hadoop cluster.

2. 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.

3. InfoSphere BigInsights supports the following types of authentication, EXCEPT:

A) PAM authentication.
B) LDAP authentication
C) Kerberos authentication
D) Flat File.

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

Solutions: