AKTU_QP20E290QP
| 03-Mar-2021 09:13:51 | 117.55.242.131
AKTU_QP20E290QP | 03-Mar-2021 09:13:51 | 117.55.242.131
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Subject Code: KCS051
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B TECH
(SEM-V) THEORY EXAMINATION 2020-21
DATA ANALYTICS
Time: 3 Hours Total Marks: 100
Note: 1. Attempt all Sections. If require any missing data; then choose suitably.
SECTION A
1. Attempt all questions in brief. 2 x 10 = 20
Q no. Question Marks CO
a. What are the different types of data? 2 1
b. Explain decision tree. 2 1
c. Give the full form of RTAP. 2 3
d. List various phases of data analytics lifecycle. 2 1
e. Explain the role of Name Node in Hadoop. 2 5
f. Discuss heartbeat in HDFS. 2 5
g. Differentiate between an RDBMS and Hadoop. 2 5
h. Write names of two visualization tools. 2 4
i. How can you deal with uncertainty? 2 3
j. Data sampling is very crucial for data analytics. Justify the statement. 2 3
SECTION B
2. Attempt any three of the following:
Q no. Question Marks CO
a. Explain K-Means algorithms. When would you use k means? State
weather the statement “K-Means has an assumption each cluster has a
roughly equal number of observations” is true or false. Justify your
answe
r
10 4
b. Illustrate and explain the steps involved in Bayesian data analysis. 10 2
c. Suppose that A, B, C, D, E and F are all items. For a particular support
threshold, the maximal frequent item sets are {A, B, C} an {D, E}. What
is the ne
g
ative border?
10 1
d. Discuss any two techniques used for multivariate analysis. 10 2
e. Design and explain the architecture of data stream model. 10 3
SECTION C
3. Attempt any one part of the following:
Q no. Question Marks CO
a. Describe the architecture of HIVE with its features. 10 5
b. Brief about the main components of MapReduce 10 5
4. Attempt any one part of the following:
Q no. Question Marks CO
a. Describe any two data sampling techniques. 10 1
b. Explain any one algorithm to count number of distinct elements in a
Data stream.
10 3
