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2021 May P2090-038 Study Guide Questions:
Q11. What is a major difference between HDFS and GPFS-FPO?
A. There is no difference, GPFS-FPO is just IBM version of HDFS in BigInsights.
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, and highly available file system that allows for standard applications to also use the storage area marked for Hadoop use.
D. 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, GPFS-FPO also has an issue with the meta data name node service which may be a single point of failure.
Answer: C
Q12. The analytic capabilities that come built-in with the Big Data platform include:
A. Image and Video
B. Acoustic
C. Financial
D. All of the above
Answer: D
Q13. 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 small amounts of data in-parallel on expensive hardware, without fault-tolerance.
C. MapReduce jobs are used to process structured data in sequence, with fault-tolerance.
D. 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.
Answer: A
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Q14. Which of the following options is CORRECT in regards of Text Analytics component?
A. The Text Analytics component extracts information from unstructured and semi-structured data. By using its components, enterprises can analyze large volumes of text and produce annotated documents that provide valuable insights into unconventionally stored data.
B. The Text Analytics component only extracts information from structured data stored in a relational database.
C. The Text Analytics component is a programming model for processing large data sets, and the name of an implementation of the model by Google. Text Analytics is typically used to do distributed computing on clusters of computers.
D. Jaql is the language for developing text analytics extractors in the InfoSphere BigInsights Text Analytics system. A Jaql extractor is a program written in Jaql that extracts structured information from unstructured or semi-structured text.
Answer: A
Q15. Which of the following options is NOT CORRECT?
A. InfoSphere BigInsights offers great value to organizations that are dealing with Internet-scale volumes (peta bytes) of data that exists in many different formats.
B. InfoSphere BigInsights facilitates the installation, integration, and monitoring of Hadoop systems.
C. InfoSphere BigInsights is offered in different editions: Basic, Limited Developer, and Enterprise.
D. InfoSphere BigInsights helps organizations quickly build and deploy custom analytics and workloads to capture insight from big data that can then be integrated into existing database, data warehouse, and business intelligence infrastructures.
Answer: C
Q16. Which of the following methods can be used by Cognos to connect with InfoSphere BigInsights? (Choose two)
A. Connection via the Hive JDBC driver.
B. Connection via the SPL JDBC driver.
C. Connection via the Pig JDBC driver.
D. Connection via the Big SQL JDBC driver.
Answer: A,D
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Q17. InfoSphere BigInsights supports the following types of authentication, EXCEPT:
A. Kerberos authentication
B. LDAP authentication
C. PAM authentication.
D. Flat File.
Answer: A
Q18. Which of the following options contains the main components of Hadoop? (Choose three)
A. Text Analytics.
B. MapReduce framework.
C. Hadoop Distributed File System (HDFS).
D. Hadoop Common.
Answer: B,C,D
Q19. Which of the following options is CORRECT in regards to integrating InfoSphere BigInsights and warehousing environments?
A. There is no direct interaction between InfoSphere BigInsighs and data warehousing environments. However, InfoSphere Streams can be used to stream data between the two environments.
B. Frequently accessed data should be maintained in the BigInsights environment while old?or outdated information can be offloaded to the Frequently accessed data should be maintained in the BigInsights environment while ?old?or outdated information can be offloaded to the warehouse environment.
C. InfoSphere BigInsights Enterprise Edition also comes with a standard Java Database Connectivity (JDBC) connector, making it possible for organizations to quickly integrate with a wide variety of data and information systems, including Oracle, Microsoft SQL Server, MySQL and Teradata.
D. There is no integration between InfoSphere BigInsights and warehousing environments since they deal with different type of data.
Answer: C
Q20. Which of the following options contain security enhancements available in InfoSphere BigInsights (choose two) ?
A. LDAP authentication
B. Secure file transfers through SFTP protocol.
C. Trusted Context.
D. Kerberos authentication protocol.
Answer: A,B