Question Paper: Big Data Analytics Question Paper - Dec 17 - Electronics And Telecomm (Semester 7) - Mumbai University (MU)

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## Big Data Analytics - Dec 17

### Electronics And Telecomm (Semester 7)

Total marks: 80

Total time: 3 Hours
INSTRUCTIONS

(1) Question 1 is compulsory.

(2) Attempt any **three** from the remaining questions.

(3) Draw neat diagrams wherever necessary.

**1.a.**What are the characteristics of big Data?

**1.b**Explain Hadoop Architectural Model.

**1.c**List the different issues and challenges in data stream query processing.

**1.d**Explain NoSQL data Architecture patterns.

**2.a**Explain DGIM algorithm for counting ones in a stream with example.

**2.b**Explain Social Network graph clustering algorithm with example.

**3.a**Explain Model for Recommendation System in detail.

**3.b**Explain Matrix Multiplication using TWO step MapReduce model.

**4.a**Explain PageRank algorithm with suitable example.

**4.b**Explain Bloom's filter for stream data mining with example.

**5.a**Explain PCY algorithm with suitable example.

**5.b**i) Find Jaccard distance {1,2,3,4} & {2,3,5,7} and {a,a,a,b} & {a,a,b,b,c}

ii) Find Hamming Distance between 110011 & 010101 and 11001 & 01011

iii) Compute the cosines of the angles between (3,-1,2) and (-2,3,1).

**6 Write a note on**

**6.a**Hadoop Ecosystem

**6.b**CURE Algorithm

**6.c**HITS

**6.d**MapReduce programming model