McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Information Technology Engineering (IT) .
| 51. |
___________for a node is simply its degree. |
| A. | Degree |
| B. | Eigenvector |
| C. | Katz |
| D. | Closeness |
| Answer» A. Degree | |
| 52. |
__________defines how important a node is within a network. |
| A. | Centrality |
| B. | Degree |
| C. | prominence |
| D. | None of these |
| Answer» A. Centrality | |
| 53. |
______________ centrality takes its maximum value |
| A. | Closeness |
| B. | Betweenness |
| C. | Group |
| D. | None of these |
| Answer» B. Betweenness | |
| 54. |
__________algorithm will compute shortest paths from a single node to all other nodes. |
| A. | Betweenness |
| B. | Brandes’ |
| C. | Dijkstra’s |
| D. | None of these |
| Answer» C. Dijkstra’s | |
| 55. |
_____centrality is defined as the number of nodes from outside the group that are connected to group members. |
| A. | Group degree |
| B. | Closeness |
| C. | Betweenness |
| D. | None of these |
| Answer» A. Group degree | |
| 56. |
_______determines how links (edges) are formed in a social graph. |
| A. | Transitivity |
| B. | Reciprocity |
| C. | Centrality |
| D. | Linking behavior |
| Answer» D. Linking behavior | |
| 57. |
transitive behavior needs at least ________edges. |
| A. | Three |
| B. | two |
| C. | one |
| D. | four |
| Answer» A. Three | |
| 58. |
The________ analyzes transitivity in an undirected graph. |
| A. | Reciprocity |
| B. | clustering coefficient |
| C. | Centrality |
| D. | Closeness |
| Answer» B. clustering coefficient | |
| 59. |
________is a simplified version of transitivity |
| A. | clustering coefficient |
| B. | Reciprocity |
| C. | Centrality |
| D. | Transitivity |
| Answer» B. Reciprocity | |
| 60. |
__________considers closed loops of length 2 |
| A. | Transitivity |
| B. | Centrality |
| C. | Reciprocity |
| D. | None of these |
| Answer» C. Reciprocity | |
| 61. |
______ theory measures how consistent individuals are in assigning status to their neighbors. |
| A. | Social status |
| B. | clustering coefficient |
| C. | Closeness |
| D. | clustering coefficient |
| Answer» A. Social status | |
| 62. |
When using network information, the similarity between two nodes can be computed by measuring their ________ |
| A. | structural equivalence |
| B. | their regular equivalence. |
| C. | both a and b |
| D. | None of these |
| Answer» C. both a and b | |
| 63. |
To compute structural equivalence, we look at the________ shared by two nodes |
| A. | nighborhood |
| B. | adjcent |
| C. | same |
| D. | None of these |
| Answer» A. nighborhood | |
| 64. |
In directed graphs_____________variants of degree centrality. |
| A. | prestige |
| B. | gregariousness |
| C. | both a and b |
| D. | None of these |
| Answer» C. both a and b | |
| 65. |
__________defines a normalized version of Katz centrality. |
| A. | PageRank centrality |
| B. | eigenvector centrality |
| C. | Betweenness centrality |
| D. | None of these |
| Answer» A. PageRank centrality | |
| 66. |
________is the behavior individuals exhibit with respect to other individuals. |
| A. | user-user behavior |
| B. | User-Community Behavior |
| C. | User-Entity Behavior |
| D. | None of these |
| Answer» A. user-user behavior | |
| 67. |
_______represents the interactions users have with other users |
| A. | Link data |
| B. | content data |
| C. | both |
| D. | None of these |
| Answer» A. Link data | |
| 68. |
__________algorithms determine features that contribute the most to the prediction of the class attribute. |
| A. | classification |
| B. | Features selection |
| C. | both |
| D. | None of these |
| Answer» B. Features selection | |
| 69. |
In Behavior Analysis Methodology___________ step aims to find the relationship between features and behavior |
| A. | An observable behavior |
| B. | Features. |
| C. | Feature-Behavior Association. |
| D. | observable behavior |
| Answer» C. Feature-Behavior Association. | |
| 70. |
__________ Modeling allow for controlled experiments and simulations that can help study individuals in social media |
| A. | An observable behavior |
| B. | Individual Behavior Modeling |
| C. | Feature-Behavior Association. |
| D. | None of these |
| Answer» B. Individual Behavior Modeling | |
| 71. |
When a behavior di_x000B_uses in a network, one can use _______model |
| A. | threshold models |
| B. | Cascade Models |
| C. | both |
| D. | None of these |
| Answer» A. threshold models | |
| 72. |
_________ models are sender-centric. |
| A. | threshold models |
| B. | Cascade Models |
| C. | both |
| D. | None of these |
| Answer» B. Cascade Models | |
| 73. |
_________ models receiver-centric. |
| A. | threshold models |
| B. | Cascade Models |
| C. | both |
| D. | None of these |
| Answer» A. threshold models | |
| 74. |
__________ examples of individual behavior modeling. |
| A. | Cascade Models |
| B. | threshold models |
| C. | None of these |
| D. | both |
| Answer» D. both | |
| 75. |
_______measures can be used to calculate similarity |
| A. | Katz measure |
| B. | Rooted PageRank. |
| C. | Hitting and Commute Time |
| D. | all of the above |
| Answer» D. all of the above | |
| 76. |
_______refers to a population of individuals behaving in a similar way. |
| A. | user-user behavior |
| B. | Collective behavior |
| C. | User-Community Behavior |
| D. | None of these |
| Answer» B. Collective behavior | |
| 77. |
The user migration behavior is an example of collective behavior. |
| A. | Collective behavior |
| B. | user-user behavior |
| C. | User-Community Behavior |
| D. | None of these |
| Answer» A. Collective behavior | |
| 78. |
which is the type of migration that take place in social media sites ? |
| A. | site migration |
| B. | attention migration |
| C. | both |
| D. | None of these |
| Answer» C. both | |
| 79. |
Which is the general features can be considered for user migration ? |
| A. | user activity on one site, |
| B. | user network size |
| C. | user rank. |
| D. | all of the above |
| Answer» D. all of the above | |
| 80. |
To analyze __________, there is a four-step procedure, |
| A. | individual behavior |
| B. | An observable behavior |
| C. | Feature-Behavior Association. |
| D. | None of these |
| Answer» A. individual behavior | |
| 81. |
_____is as a microblogging service that allows people to communicate with short, 140-character messages that roughly correspond to thoughts or ideas. |
| A. | |
| B. | |
| C. | |
| D. | None of the above |
| Answer» A. Twitter | |
| 82. |
_______relationship model allows you to keep up with the latest happenings of any other user, even though that other user may not choose to follow you back or even know that you exist. |
| A. | |
| B. | |
| C. | |
| D. | |
| Answer» C. Twitter | |
| 83. |
Which of the following is the most viral section of the internet? |
| A. | Chat Messenger |
| B. | Social networking sites |
| C. | Tutorial sites |
| D. | Chat-rooms |
| Answer» B. Social networking sites | |
| 84. |
Identify the example of Nominal attribute |
| A. | Temperature |
| B. | Salary |
| C. | Mass |
| D. | Gender |
| Answer» D. Gender | |
| 85. |
Which of the following is not an appropriate measure for securing social networking accounts? |
| A. | Strong passwords |
| B. | Link your account with a phone number |
| C. | Never write your password anywhere |
| D. | Always maintain a soft copy of all your passwords in your PC |
| Answer» D. Always maintain a soft copy of all your passwords in your PC | |
| 86. |
Which of the following is not a data pre-processing methods |
| A. | Data Visualization |
| B. | Data Discretization |
| C. | Data Cleaning |
| D. | Data Reduction |
| Answer» A. Data Visualization | |
| 87. |
________________ is a popular tool to block social-media websites to track your browsing activities. |
| A. | Fader |
| B. | Blur |
| C. | Social-Media Blocker |
| D. | Ad-blocker |
| Answer» B. Blur | |
| 88. |
Keeping the password by the name of your pet is a good choice. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 89. |
Increase your security for social media account by always ____________ as you step away from the system. |
| A. | signing in |
| B. | logging out |
| C. | signing up |
| D. | logging in |
| Answer» B. logging out | |
| 90. |
Different social media services offer tips as of how to use their services and site, still maintaining a high altitude of security. |
| A. | true |
| B. | false |
| Answer» A. true | |
| 91. |
Scanning your system and destroying suspicious files can reduce risks of data compromise or leakage of compromised data over social media. |
| A. | true |
| B. | false |
| Answer» A. true | |
| 92. |
Many social media sites and services provide _______________ for legitimate account verification. |
| A. | Retina scanning |
| B. | Fingerprint scanning |
| C. | CAPTCHA |
| D. | 2-step verification |
| Answer» D. 2-step verification | |
| 93. |
Which of the following activities is NOT a data mining task? |
| A. | Predicting the future stock price of a company using historical records |
| B. | Monitoring and predicting failures in a hydropower plant |
| C. | Extracting the frequencies of a sound wave |
| D. | Monitoring the heart rate of a patient for abnormalities |
| Answer» C. Extracting the frequencies of a sound wave | |
| 94. |
____________ type of sites are known as friend-of-a-friend site. |
| A. | Chat Messenger |
| B. | Social networking sites |
| C. | Tutorial sites |
| D. | Chat-rooms |
| Answer» B. Social networking sites | |
| 95. |
If hackers gain access to your social media accounts, they can do some illicit or shameless act to degrade your reputation. |
| A. | true |
| B. | false |
| Answer» A. true | |
| 96. |
Identify the example of sequence data |
| A. | weather forecast |
| B. | data matrix |
| C. | market basket data |
| D. | genomic data |
| Answer» D. genomic data | |
| 97. |
Incorrect or invalid data is known as ______ |
| A. | Missing data |
| B. | Outlier |
| C. | Changing data |
| D. | Noisy data |
| Answer» D. Noisy data | |
| 98. |
The important characteristics of structured data are |
| A. | Sparsity, Resolution, Distribution, Tuples |
| B. | Sparsity, Centroid, Distribution , Dimensionality |
| C. | Resolution, Distribution, Dimensionality ,Objects |
| D. | Dimensionality, Sparsity, Resolution, Distribution |
| Answer» D. Dimensionality, Sparsity, Resolution, Distribution | |
| 99. |
The problem of finding hidden structure in unlabeled data is called |
| A. | Supervised learning |
| B. | Unsupervised learning |
| C. | Reinforcement learning |
| Answer» B. Unsupervised learning | |
| 100. |
Which data mining task can be used for predicting wind velocities as a function of temperature, humidity, air pressure, etc.? |
| A. | Cluster Analysis |
| B. | Regression |
| C. | Classification |
| D. | Sequential pattern discovery |
| Answer» B. Regression | |
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