Social Media Analytics Set 2

Information Technology Engineering (IT)

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This set of Social Media Analytics (SMA) Multiple Choice Questions & Answers (MCQs) focuses on Social Media Analytics Set 2

Q1 | Eigenvector centrality is an
  • An Important nodes has usually important friends
  • Centrality of the given central nodes
  • None of the above
  • All of the above
Answer: An Important nodes has usually important friends
Q2 | Katz centrality can be
  • Used to compute centrality in directed networks
  • Suitable in the analysis of directed acyclic graphs
  • Also used in estimating relative status of actor
  • All of the above
Answer: All of the above
Q3 | Page rank is the method
  • For rating the importance of web pages objectively and mechanically.
  • Used in google search engine
  • A simple way to count the number of times a web page is citated
  • All of the above
Answer: All of the above
Q4 | The most popular social networking website twitter makes use of HITS algorithm in suggesting user account to follow
  • true
  • false
Answer: true
Q5 | PageRank is based on the ‘random suffer’ idea and the web is seen as a markov chain
  • true
  • false
Answer: true
Q6 | vertices that have a high probability of occurring on a randomly chosen shortest path between two nodes are said to have high
  • Centrality
  • Betweeness centrality
  • Eigenvector centrality
  • None of the above
Answer: Betweeness centrality
Q7 | The number of actors outside the group that are connected to the member of that group is
  • Eigenvector centrality
  • Betweeness centrality
  • Degree centrality of the group
  • None of the above
Answer: Degree centrality of the group
Q8 | Transitivity is the tendency for friend of friends to be friend and enemy of enemy to be enemy
  • true
  • false
Answer: true
Q9 | In any directed graph if all edges are reciprocal, can have maximum of |E|=
  • 1
  • 0
  • 2
  • None of the above
Answer: 2
Q10 | Reciprocity can be computed using
  • Simple Matrix
  • Adjacency Matrix
  • Eigen Vector
  • None of the above
Answer: Adjacency Matrix
Q11 | Social Status theory measures how inconsistent individuals are in assigning status to their neighbors.
  • true
  • false
Answer: false
Q12 | A pair of nodes said to be structurally equivalent to the extent that
  • They occupy identical locations in a network
  • They are connected to exactly the same others
  • They have the identical relations to all outside actors.
  • All of the above
Answer: All of the above
Q13 | Which social network is considered the most popular for business to business marketing?
  • Facebook
  • Orkut
  • Ryze
  • LinkedIn
Answer: LinkedIn
Q14 | The first step when marketing with social networks is to identify the goals and strategies.
  • true
  • false
Answer: true
Q15 | What is the term adopted for updates by Twitter users?
  • Tweets
  • Twoots
  • Twinks
  • Post
Answer: Tweets
Q16 | Web Crawler is also called as
  • Link Directory
  • Search Optimizer
  • Web Spider
  • Web Manager
Answer: Web Spider
Q17 | The ‘Sociogram’ technique is used to study
  • Human Relations
  • Vocational Interest
  • Achievement
  • Professional
Answer: Human Relations
Q18 | Can decision trees be used for performing clustering?
  • true
  • false
Answer: true
Q19 | What is the minimum no. of variables/ features required to perform clustering?
  • 0
  • 1
  • 2
  • 3
Answer: 1
Q20 | For two runs of K-Mean clustering is it expected to get same clustering results?
  • Yes
  • No
Answer: No
Q21 | Which of the following algorithm is most sensitive to outliers?
  • K-means
  • K-medians
  • K-modes
  • K-medoids
Answer: K-means
Q22 | Which of the following are the high and low bounds for the existence of F-Score?
  • [0,1]
  • (0,1)
  • [-1,1]
  •  None of the above
Answer: [0,1]
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