Deck 4: Exploring User Migration, Security, and Data Mining in Social Media Sites

Question 1

_______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 1

Collective behavior

Question 2

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 2

Collective behavior

Question 3

which is the type of migration that take place in social media sites ?

A)site migration
B)attention migration
C)both a & b
D)None of these

Answer 3

both a & b

Question 4

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

Question 5

To analyze __________, there is a four-step procedure,

A)individual behavior
B)An observable behavior
C)Feature-Behavior Association.
D)None of these

Question 6

_____is as a microblogging service that allows people to communicate with short, 140-character messages that roughly correspond to thoughts or ideas.

A)Twitter
B)Facebook
C)Instagram
D)None of the above

Question 7

_______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)Facebook
B)Instagram
C)Twitter
D)LInkedIn

Question 8

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

Question 9

Identify the example of Nominal attribute

A)Temperature
B)Salary
C)Mass
D)Gender

Question 10

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

Question 11

Which of the following is not a data pre-processing methods

A)Data Visualization
B)Data Discretization
C)Data Cleaning
D)Data Reduction

Question 12

________________ 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

Question 13

Keeping the password by the name of your pet is a good choice.

Question 14

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

Question 15

Different social media services offer tips as of how to use their services and site, still maintaining a high altitude of security.

Question 16

Scanning your system and destroying suspicious files can reduce risks of data compromise or leakage of compromised data over social media.

Question 17

Many social media sites and services provide _______________ for legitimate account verification.

A)Retina scanning
B)Fingerprint scanning
C)CAPTCHA
D)2-step verification

Question 18

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

Question 19

____________ type of sites are known as friend-of-a-friend site.

A)Chat Messenger
B)Social networking sites
C)Tutorial sites
D)Chat-rooms

Question 20

If hackers gain access to your social media accounts, they can do some illicit or shameless act to degrade your reputation.

Question 21

Identify the example of sequence data

A)weather forecast
B)data matrix
C)market basket data
D)genomic data

Question 22

Incorrect or invalid data is known as ______

A)Missing data
B)Outlier
C)Changing data
D)Noisy data

Question 23

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

Question 24

The problem of finding hidden structure in unlabeled data is called

A)Supervised learning
B)Unsupervised learning
C)Reinforcement learning

Question 25

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