Data Analytics Multiple Choice Questions and Answers - Set 03 - ObjectiveBooks

Data Analytics Multiple Choice Questions and Answers - Set 03

Practice Test: Question Set - 03


1. ________ as a result of data accessibility, data latency, data availability, or limits on bandwidth in relation to the size of inputs
    (A) Computation-restricted throttling
    (B) Large data volumes
    (C) Data throttling
    (D) Data Parallelization

2. What is the cyclical process of collecting and analyzing data during a single research study called?
    (A) Interim Analysis
    (B) Inter analysis
    (C) Inter item analysis
    (D) Constant analysis

3. ________ refers to the ability to turn your data useful for business
    (A) Velocity
    (B) Variety
    (C) Value
    (D) Volume

4. ________ are the basic building blocks of qualitative data.
    (A) Categories
    (B) Units
    (C) Individuals
    (D) None of the above

5. ________ are used when you want to visually examine the relationship between two quantitative variables.
    (A) Bar graph
    (B) Pie graph
    (C) Line graph
    (D) Scatterplot

6. Which of these distributions is used for a testing hypothesis?
    (A) Normal Distribution
    (B) Chi-Squared Distribution
    (C) Gamma Distribution
    (D) Poisson Distribution

7. Alternative Hypothesis is also called as?
    (A) Composite hypothesis
    (B) Research Hypothesis
    (C) Simple Hypothesis
    (D) Null Hypothesis

8. Which of the following is not a major data analysis approaches?
    (A) Data Mining
    (B) Predictive Intelligence
    (C) Business Intelligence
    (D) Text Analytics

9. ________ is a type of local Reducer that groups similar data from the map phase into identifiable sets.
    (A) MAPPER
    (B) REDUCER
    (C) COMBINER
    (D) PARTITIONER

10. Data Analysis is defined by the statistician?
    (A) William S.
    (B) Hans Peter Luhn
    (C) Gregory Piatetsky-Shapiro
    (D) John Tukey

11. _________ is a programming model for writing applications that can process Big Data in parallel on multiple nodes.
    (A) HDFS
    (B) MAP REDUCE
    (C) HADOOP
    (D) HIVE

12. Which of the following is true about hypothesis testing?
    (A) Answering yes/no questions about the data
    (B) Estimating numerical characteristics of the data
    (C) Describing associations within the data
    (D) Modeling relationships within the data

13. A graph that uses vertical bars to represent data is called a ________
    (A) Line graph
    (B) Bar graph
    (C) Scatterplot
    (D) Vertical graph

14. Which among the following is not a Data mining and analytical applications?
    (A) Profile matching
    (B) Social network analysis
    (C) Facial recognition
    (D) Filtering

15. ________ is an open source framework for storing data and running application on clusters of commodity hardware.
    (A) HDFS
    (B) Hadoop
    (C) MapReduce
    (D) Cloud

16. While Installing Hadoop how many xml files are edited and list them?
    (A) core-site.xml
    (B) hdfs-site.xml
    (C) mapred.xml
    (D) yarn.xml

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