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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Installation and Configuration | 25% | - Post-installation configuration - Deployment planning and prerequisites - Installation process |
| Topic 2: Architecture and Components | 25% | - Hadoop ecosystem integration - Big SQL, BigSheets, Big Match, and JAQL - BigInsights architecture overview |
| Topic 3: Security, Administration and Performance | 25% | - Performance tuning and troubleshooting - Security model and credential store - Monitoring and maintenance |
| Topic 4: Data Management and Access | 25% | - Data loading and ingestion - Working with structured, semi-structured and unstructured data - Querying data with Big SQL and JAQL |
1. What is Big SQL?
A) Big SQL is a feature in Streams that allows for real time analysis of data via standard SQL syntax.
B) Big SQL is a feature in BigInsights that provides a SQL like interface to data contained in Hbase tables only. Other data sources in HDFS mustbe accessed via other means such as HiveQL.
C) Big SQL is a feature in Data Explorer that allows for indexing of data from SQL sources such as data warehouses.
D) Big SQL is a feature in BigInsights that allows for native SQL query access for Hadoop, providing full ANSI SQL 92 compliance and standardSQL syntax such as joins, for data contained in a variety of formats such as structured Hive tables, Hbase tables, or csv and other delimitedfiles in HDFS.
2. Which of the following options is NOT CORRECT?
A) Big data solutions are ideal when all, or most, of the data needs to be analyzed versus a sample of the data; or a sampling of data isn nearlyBig data solutions are ideal when all, or most, of the data needs to be analyzed versus a sample of the data; or a sampling of data isn? nearlyas effective as a larger set of data from which to derive analysis.
B) Big data solutions are ideal for analyzing not only raw structured data, but semi structured and unstructured data from a wide variety ofsources.
C) Big data solutions are ideal for iterative and exploratory analysis when business measures on data are not predetermined.
D) Big data solutions are ideal for Online Transaction Processing (OLTP) environments.
3. Which of the following features is a browser-based analytic tool in the BigInsights web console that uses a spreadsheet metaphor to help you analyze and break down massive amounts of unstructured data into consumable, situation-specific business contexts?
A) BigSheets
B) Text Analytics
C) BigIndex.
D) Adaptive MapReduce
4. 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) There is no difference, GPFS-FPO is just IBM version of HDFS in BigInsights.
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, GPFSFPO also has an issue with the meta data name node service which may be a single point of failure.
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: D | Question # 3 Answer: A | Question # 4 Answer: C |
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