McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Information Technology Engineering (IT) .
| 101. |
Which statement is not TRUE regarding a data mining task? |
| A. | Clustering is a descriptive data mining task |
| B. | Classification is a predictive data mining task |
| C. | Regression is a descriptive data mining task |
| D. | Deviation detection is a predictive data mining task |
| Answer» C. Regression is a descriptive data mining task | |
| 102. |
Synonym for data mining is |
| A. | Data Warehouse |
| B. | Knowledge discovery in database |
| C. | Business intelligence |
| D. | OLAP |
| Answer» B. Knowledge discovery in database | |
| 103. |
Which of the following is not a data mining task? |
| A. | Feature Subset Detection |
| B. | Association Rule Discovery |
| C. | Regression |
| D. | Sequential Pattern Discovery |
| Answer» A. Feature Subset Detection | |
| 104. |
Which of the following issue is considered before investing in Data Mining? |
| A. | Functionality |
| B. | Vendor consideration |
| C. | Compatibility |
| D. | All of the above |
| Answer» D. All of the above | |
| 105. |
Data independence means |
| A. | Data is defined separately and not included in programs |
| B. | Programs are not dependent on the physical attributes of data |
| C. | Programs are not dependent on the logical attributes of data |
| D. | Both (B) and (C) |
| Answer» D. Both (B) and (C) | |
| 106. |
A definition or a concept is if it classifies any examples as coming within the concept |
| A. | Complete |
| B. | Consistent |
| C. | Constant |
| D. | None of these |
| Answer» B. Consistent | |
| 107. |
Which of the following activities is a data mining task? |
| A. | Monitoring the heart rate of a patient for abnormalities |
| B. | Extracting the frequencies of a sound wave |
| C. | Predicting the outcomes of tossing a (fair) pair of dice |
| D. | Dividing the customers of a company according to their profitability |
| Answer» A. Monitoring the heart rate of a patient for abnormalities | |
| 108. |
Data Visualization in mining cannot be done using |
| A. | Photos |
| B. | Graphs |
| C. | Charts |
| D. | Information Graphics |
| Answer» A. Photos | |
| 109. |
To detect fraudulent usage of credit cards, the following data mining task should be used |
| A. | Outlier analysis |
| B. | prediction |
| C. | association analysis |
| D. | feature selection |
| Answer» A. Outlier analysis | |
| 110. |
A definition or a concept is if it classifies any examples as coming within the concept |
| A. | Complete |
| B. | Consistent |
| C. | Constant |
| Answer» B. Consistent | |
| 111. |
Classification accuracy is |
| A. | Subdivision of a set of examples into a number of classes |
| B. | Measure of the accuracy, of the classification of a concept that is given by a certain theory |
| C. | The task of assigning a classification to a set of examples |
| Answer» B. Measure of the accuracy, of the classification of a concept that is given by a certain theory | |
| 112. |
Cluster is |
| A. | Group of similar objects that differ significantly from other objects |
| B. | Operations on a database to transform or simplify data in order to prepare it for a machine-learning algorithm |
| C. | Symbolic representation of facts or ideas from which information can potentially be extracted |
| Answer» A. Group of similar objects that differ significantly from other objects | |
| 113. |
Assume you want to perform supervised learning and to predict number of newborns according to size of storks’ population (http://www.brixtonhealth.com/storksBabies.pdf), it is an example of |
| A. | Classification |
| B. | Regression |
| C. | Clustering |
| D. | Structural equation modeling |
| Answer» B. Regression | |
| 114. |
Bayesian classifiers is |
| A. | class of learning algorithm that tries to find an optimum classification of a set of examples using the probabilistic theory |
| B. | Any mechanism employed by a learning system to constrain the search space of a hypothesis |
| C. | An approach to the design of learning algorithms that is inspired by the fact that when people encounter new situations, they often explain them by reference to familiar experiences, adapting the explanations to fit the new situation |
| D. | None of these |
| Answer» A. class of learning algorithm that tries to find an optimum classification of a set of examples using the probabilistic theory | |
| 115. |
Background knowledge referred to |
| A. | Additional acquaintance used by a learning algorithm to facilitate the learning process |
| B. | A neural network that makes use of a hidden layer |
| C. | It is a form of automatic learning |
| D. | None of these |
| Answer» B. A neural network that makes use of a hidden layer | |
| 116. |
Which of the following is finally produced by Hierarchical Clustering? |
| A. | Final estimate of cluster centroids |
| B. | tree showing how close things are to each other |
| C. | assignment of each point to clusters |
| D. | all of the mentioned |
| Answer» B. tree showing how close things are to each other | |
| 117. |
Which of the following is required by K-means clustering? |
| A. | defined distance metric |
| B. | number of clusters |
| C. | initial guess as to cluster centroids |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
| 118. |
Point out the wrong statement. |
| A. | k-means clustering is a method of vector quantization |
| B. | k-means clustering aims to partition n observations into k clusters |
| C. | k-nearest neighbor is same as k-means |
| D. | none of the mentioned |
| Answer» C. k-nearest neighbor is same as k-means | |
| 119. |
Which of the following combination is incorrect? |
| A. | Continuous – euclidean distance |
| B. | Continuous – correlation similarity |
| C. | Binary – manhattan distance |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 120. |
Which of the following ways can be used to represent a graph? |
| A. | Adjacency List and Adjacency Matrix |
| B. | Incidence Matrix |
| C. | Adjacency List, Adjacency Matrix as well as Incidence Matrix |
| D. | No way to represent |
| Answer» C. Adjacency List, Adjacency Matrix as well as Incidence Matrix | |
| 121. |
Which of the following function is used for k-means clustering? |
| A. | k-means |
| B. | k-mean |
| C. | heatmap |
| D. | none of the mentioned |
| Answer» A. k-means | |
| 122. |
K-means is not deterministic and it also consists of number of iterations. |
| A. | true |
| B. | false |
| Answer» A. true | |
| 123. |
N-grams are defined as the combination of N keywords together. How many bi-grams can be generated from given sentence? |
| A. | 7 |
| B. | 8 |
| C. | 9 |
| D. | 10 |
| Answer» C. 9 | |
| 124. |
Social networks are great distribution channel for ___________ |
| A. | Customer feedback |
| B. | Viral Content |
| C. | exclusive coupons |
| D. | marketing messages |
| Answer» D. marketing messages | |
| 125. |
Two increasingly important ethical aspects of social media are |
| A. | Ratings and traffic. |
| B. | Transparency and privacy. |
| C. | Identity and honesty. |
| D. | Virtue and virality |
| Answer» B. Transparency and privacy. | |
| 126. |
Larger Social n/w ing sites ____________ |
| A. | will force niche social n/w sites out of business. |
| B. | sets social media trends |
| C. | expected to see declining growth rate |
| D. | better fit for non profit organizations |
| Answer» B. sets social media trends | |
| 127. |
White label social n/w is privately run by non profit organization |
| A. | true |
| B. | false |
| Answer» A. true | |
| 128. |
WHICH SOCIAL NETWORK DOES NOT OFFER ANALYTICS? |
| A. | |
| B. | |
| C. | LinekIn |
| D. | None of Above |
| Answer» D. None of Above | |
| 129. |
Which of the following is NOT a fundamental area of change regarding people's media habits? |
| A. | Communication. |
| B. | Conversation |
| C. | Collaboration |
| D. | Choice |
| Answer» A. Communication. | |
| 130. |
WHICH SOCIAL NETWORK DOES NOT PROVIDE USERS WITH SELFIE FILTERS? |
| A. | |
| B. | |
| C. | LinekIn |
| D. | |
| Answer» D. twitter | |
| 131. |
WHAT IS THE LARGEST GLOBAL SOCIAL NETWORK (BY TOTAL ACTIVE USERS)? |
| A. | |
| B. | |
| C. | LinekIn |
| D. | |
| Answer» A. Facebook | |
| 132. |
Which of the following is valuable in increasing page rank? |
| A. | paying for placement |
| B. | static content |
| C. | quantity of links from other highly ranked pages to your site |
| D. | None of Above |
| Answer» C. quantity of links from other highly ranked pages to your site | |
| 133. |
What is social media optimization? |
| A. | Creating content for publicity via social n/w |
| B. | writing content |
| C. | Creating content easily indexed |
| D. | Hiring people to create content for social n/w |
| Answer» A. Creating content for publicity via social n/w | |
| 134. |
What is vlog? |
| A. | Video log |
| B. | Video Blog |
| C. | log of blog |
| D. | None of Above |
| Answer» B. Video Blog | |
| 135. |
Which technology concerned with social media privacy? |
| A. | Data Science |
| B. | Ethical Hacking |
| C. | Cyber Security |
| D. | DBMS |
| Answer» C. Cyber Security | |
| 136. |
Which of these is usually not kept private on social media? |
| A. | photos |
| B. | username |
| C. | invitation |
| D. | None of Above |
| Answer» B. username | |
| 137. |
Which of these social media platforms features end to end encryption? |
| A. | |
| B. | |
| C. | Snapchat |
| D. | |
| Answer» D. Whatsapp | |
| 138. |
Which of these is a password protect measure? |
| A. | tagging friends less often |
| B. | setting strong passwords |
| C. | using multiple accounts |
| D. | making onformation private |
| Answer» B. setting strong passwords | |
| 139. |
Which social network is considered the most popular for social media marketing? |
| A. | |
| B. | |
| C. | Linkdin |
| D. | Whats App |
| Answer» B. Facebook | |
| Explanation: Facebook is the biggest social media site around, with more than two billion people using it every month. | |
| 140. |
What is the name for Facebook`s ranking algorithm? |
| A. | Like Rank |
| B. | Face rank |
| C. | Page rank |
| D. | Edge rank |
| Answer» D. Edge rank | |
| Explanation: Edge rank is the name for Facebook`s ranking algorithm. | |
| 141. |
Which of the following is an important aspect of creating blogs and posting content? |
| A. | Using a witty user name |
| B. | Posting at least once a month to the blog |
| C. | Social Media Optimization |
| D. | All of the above |
| Answer» D. All of the above | |
| Explanation: All of the above option is an important aspect of creating blogs and posting content. | |
| 142. |
What is meant by "micro-blogging"? |
| A. | Blogs which are posted by companies, not individuals |
| B. | Blogs with limited individual posts, limited by character count typically |
| C. | Blogging from mobile devices |
| D. | All of the above |
| Answer» B. Blogs with limited individual posts, limited by character count typically | |
| Explanation: micro-blogging means blogs with limited individual posts, limited by character count typically. | |
| 143. |
What is "social media optimization"? |
| A. | Creating content which easily creates publicity via social networks |
| B. | Writing clear content |
| C. | Creating short content which is easily indexed |
| D. | Hiring people to create content for social networks |
| Answer» A. Creating content which easily creates publicity via social networks | |
| Explanation: social media optimization means creating content which easily creates publicity via social networks. | |
| 144. |
What would the marketing budget section of a marketing plan detail? |
| A. | The cost to write the plan |
| B. | The marketing personnel job descriptions |
| C. | The expected costs for each ad campaign based on the delivery method |
| D. | None of the above |
| Answer» C. The expected costs for each ad campaign based on the delivery method | |
| Explanation: The marketing budget section of a marketing plan detail is the overall marketing budget for a year. | |
| 145. |
How does creating a social network marketing plan differ from a traditional marketing plan? |
| A. | The brand image should be completely different for social marketing |
| B. | The staff requirements and skill sets for social marketing are different |
| C. | Other than the method of delivery, a marketing plan either way will be similar |
| D. | None of the above |
| Answer» B. The staff requirements and skill sets for social marketing are different | |
| Explanation: Creating a social network marketing plan differ from a traditional marketing plan because the staff requirements and skill sets for social marketing are different. | |
| 146. |
Which of the following is functions of social media for business? |
| A. | Are you participating in the conversation and sharing? |
| B. | Are you listening and monitoring what is being said about you? |
| C. | Both A and B |
| D. | None of the above |
| Answer» C. Both A and B | |
| Explanation: There are two functions of social media for business : Are you participating in the conversation and sharing? and Are you listening and monitoring what is being said about you? | |
| 147. |
Social networks are organized primarily around _____________ |
| A. | Brands |
| B. | People |
| C. | Discussions |
| D. | interests |
| Answer» B. People | |
| 148. |
Which social network most popular for Business to Business marketing. |
| A. | |
| B. | Orkut |
| C. | Ryze |
| D. | |
| Answer» D. LinkedIn | |
| 149. |
Visualization of Social n/w depicted by_____________ |
| A. | Varying size of nodes |
| B. | Varying size of nodes |
| C. | Varying size and color of nodes |
| D. | None of Above |
| Answer» C. Varying size and color of nodes | |
| 150. |
Most common Social n/w characteristics used are__________ |
| A. | Betweenness |
| B. | Closeness |
| C. | Degree |
| D. | All above |
| Answer» D. All above | |
Done Studing? Take A Test.
Great job completing your study session! Now it's time to put your knowledge to the test. Challenge yourself, see how much you've learned, and identify areas for improvement. Don’t worry, this is all part of the journey to mastery. Ready for the next step? Take a quiz to solidify what you've just studied.