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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