# NPTEL Social Networks Week 2 Assignment Answers 2024

## NPTEL Social Networks Week 2 Assignment Answers 2024

1. Which of the following statements is/are True?
Statement I – Email network is a directed network.
Statement II – Co-authorship network is an undirected network.

• I only
• II only
• Both
• None
`Answer :- For Answer Click Here`

2. What is the clustering coefficient of a node that has 4 neighbors and 3 connections between those neighbors?

• 0.25
• 0.5
• 0.75
• 1
`Answer :- For Answer Click Here`

3. Calculate the density of the given graph.

• 10/21
• 9/42
• 9/21
• 10/42
`Answer :- For Answer Click Here`

4. Find the clustering coefficient of node B in the given graph.

`Answer :- `

5. Which statement accurately reflects the characteristics of node degrees according to Power law?

• every individual in a social network has an equal number of connections
• exhibit a uniform distribution of connections among all users
• a small number of individuals have a substantially higher number of connections compared to the majority
• each node has an identical degree, promoting equality in connectivity
`Answer :- `

6. What is the diameter of the following graph?

• 1
• 2
• 3
• 4
`Answer :- For Answer Click Here`

7. Which of the following formats was created as a part of Gephi project?

• GML
• GEXF
• GraphML
• Pajek
`Answer :- `

8. Given is a graph G with ∣V∣=n number of nodes and ∣E∣ number of edges. In which of the following cases, we can guarantee that G is connected?

• ∣E∣=n
• ∣E∣=n−1
• ∣E∣=n(n−1)/2
• ∣E∣=nlog2n
`Answer :- `

9. Which of the following statements is True for GML format of networks?
Statement I: Labels and attributes can be added
Statement II: Weights can be added

• I only
• II only
• Both
• None
`Answer :- `

10. In the mentioned synonymy network, why might there be a path between words like “love” and “hatred”?

• Due to faulty edges
• To enable users with contradictory paths to find antonyms
• Words can undergo semantic shifts, acquiring new meanings or evolving to represent opposite concepts
• The network algorithm identifies unrelated words as synonyms
`Answer :- For Answer Click Here`