Filtering Streams — past-year questions
Big Data Analysis (CSC702) · Semester 7 · Module 4 · Comps
4 past-year questions on Filtering Streams have appeared in Mumbai University CSC702 papers between 2024–2025, 4 times in total. Every question is shown in full below with its marks and repeat count. Model answers require a free account.
Questions asked on Filtering Streams
- 1.
Why recall is 100% for bloom's filter, explain in detail.
5M1× seenlast asked 2025 - 2.
Discuss Bloom's filter in detail and insert elements 10 and 7 in a Bloom's filter of size 5 using following hash functions: 1-h1(x) = x mod 5 and 2-h2(x) = (2x+6) mod 5.
10M1× seenlast asked 2025 - 3.
Explain the concept of bloom filter with an example.
5M1× seenlast asked 2024 - 4.
Create a Bloom filter with the following parameters: Size of the bit array m = 8 Hash functions: h1(x) = x mod m h2(x) = (2x+1) mod m h3(x) = (3x+2) mod m (i) Insert the following elements into the Bloom filter: 12, 25, 30, 5 (ii) Check if the following elements are present in the Bloom filter: 6, 55 (iii) Discuss the results of your checks, identifying which elements is true positive and which is true negative.
10M1× seenlast asked 2024
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