Name
Reg No B
APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
07 THRISSUR CLUSTER
THIRDSEMESTER M.TECH. DEGREE EXAMINATION DEC 2017
COMPUTER SCIENCE DEPARTMENT
COMPUTER SCIENCE AND ENGINEERING
07CS7115 BIGDATA ANALYTICS
Time:3 hours Max.marks: 60
Answer all six questions. Part of each question is compulsory.
Answer either part or part of each question
Q.no. Module 1 Marks
1a State three attributes that define the characteristics of Big Data? 4
Answer b or c
b Describe the four main types of data structures to define the data growth
from non structured data type.
5
c Discuss the challenges of the current analytical architecture for data
scientists.
5
Q.no. Module 2 Marks
2a How is ETLT used to perform extract, transform and load processes to
extract data?
4
Answer b or c
b In which phase would the team expect to invest most of the project time?
Why? Where would the team expect to spend the least time?
5
c Elaborate the key roles for a successful analytics project. 5
Q.no. Module 3 Marks
3a Discuss R Graphical user interfaces and explain how R software uses CLI? 4
Answer b or c
b Give the comparative analysis of data exploration and presentation in R. 5
c Identify suitable hypothesis test for evaluating and comparing the means of
2 samples.
5
Q.no. Module 4 Marks
4a List and explain the steps involved in the Box-Jenkins methodology for
time series analysis
4
Answer b or c
b Enumerate the difference between AR and MA model. 5
c Construct a time series with a trend and time series for differencing using
neat diagram.
5
Q.no. Module 5 Marks
5a State the goals of POS tagging in text analysis. 5
Answer b or c
b Describe sentiment analysis used in text analysis. How and why is it
important?
7
c Elaborate why can't we use TF alone to measure the usefulness of the
words?
7
Q.no. Module 6 Marks
6a Which structured query language would be applied to unstructured data and
what are its major categories?
5
Answer b or c
b Relate Map reduce and Hadoop and explain how Hadoop stores data in a
distributed system.
7
c Use the tools Pig and Hive in Big Data ecosystem. How do you choose
among them for batch applications?
7