## NPTEL Social Network Analysis Week 2 Assignment Answers 2024

1. Measure the degree of nodes [1,3,4,2]?

- [2, 4, 2, 1]
- [1, 5, 3, 2]
- [2, 5, 2, 2]
- [2, 4, 2, 0]

Answer :-For Answer Click Here

2. What is the diameter of the network?

- 2
- 4
- 3
- 5

Answer :-For Answer Click Here

3. What is the density of the network?

- 1.14
- 0.8
- 0.21
- 0.38

Answer :-

4. What is the local clustering coefficient of node 5?

- 0.1
- 0.2
- 0.33
- 0.43

Answer :-

5. Measure the degree centrality for nodes [1,3,5,7]?

- [0.2, 0.5, 0.3, 0.1]
- [0.4, 1.0, 0.6, 0.2]
- [0.1, 0.4, 0.2, 0.1]
- [0.3, 0.9, 0.5, 0.1]

Answer :-

6. What is the closeness centrality for nodes 6 and 3?

- Node 6: 0.42, Node 3: 0.85
- Node 3: 0.80, Node 6: 0.40
- Node 3: 1.0, Node 6: 0.5
- Node 3: 0.9, Node 6: 0.45

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7. Which pair of nodes out of (2,3,6) are closer to each other according to Jaccard similarity?

- (2,3)
- (3,6)
- (2,6)
- All are same distance

Answer :-

8. In a linearly/chain-connected graph with N nodes, the mean degree is 1.9. How many nodes are there in the graph?

- 8
- 16
- 14
- 20

Answer :-

9. In a circular/cyclic network with N nodes, the mean degree is

- 1.75
- 2
- 1
- 2.5

Answer :-

10. You are a spy inside a terrorist organisation with an extensive knowledge of social network analysis. Which centrality measure you will use to find a person who can spread a message as far as possible in the network.

- Degree Centrality
- Eigenvector Centrality
- Betweenness Centrality
- Closeness Centrality

Answer :-For Answer Click Here