Top 350+ Solved Social Media Analytics (SMA) MCQ Questions Answer

From 166 to 180 of 304

Q. ________________ 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

  • b. Blur

Q. 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

  • b. logging out

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

a. Retina scanning

b. Fingerprint scanning

c. CAPTCHA

d. 2-step verification

  • d. 2-step verification

Q. 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

  • c. Extracting the frequencies of a sound wave

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

a. Chat Messenger

b. Social networking sites

c. Tutorial sites

d. Chat-rooms

  • b. Social networking sites

Q. Identify the example of sequence data

a. weather forecast

b. data matrix

c. market basket data

d. genomic data

  • d. genomic data

Q. Incorrect or invalid data is known as ______

a. Missing data

b. Outlier

c. Changing data

d. Noisy data

  • d. Noisy data

Q. 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

  • d. Dimensionality, Sparsity, Resolution, Distribution

Q. The problem of finding hidden structure in unlabeled data is called

a. Supervised learning

b. Unsupervised learning

  • b. Unsupervised learning

Q. 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

  • b. Regression

Q. 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

  • c. Regression is a descriptive data mining task
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