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IBM InfoSphere BigInsights Technical Mastery Test v2 Sample Questions:

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

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) 2
B) 4
C) 3
D) 1

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

4. What is the InfoSphere BigInsights Credential Store?

A) The InfoSphere BigInsights credentials store is a table stored in the HBase relational database that stores passwords, tokens, and other potentially sensitive information.
B) The InfoSphere BigInsights credentials store is a designated folder on the distributed file system (DFS) that stores passwords, tokens, and other potentially sensitive information.
C) The InfoSphere BigInsights credentials store is a designated folder in the local file system (not HDFS) that stores the authorities and privileges for all users in the BigInsights environment.
D) The InfoSphere BigInsights credentials store is a designated file defined by an environment variable that stores the authorities and privileges for all users in the BigInsights environment.

Solutions: