Practice Library
All MCQs
Browse exam-wise, subject-wise, and country-wise MCQs with explanations.
A. Offline drama reading
B. Manual sketching only
C. Book binding only
D. Smart agriculture
Correct Answer: D. Smart agriculture
A. Manual poem writing
B. Book cataloging only
C. Predictive maintenance
D. Poster coloring only
Correct Answer: C. Predictive maintenance
A. Drama performance
B. Smart energy management
C. Traditional chalkboard
D. Unconnected notebook
Correct Answer: B. Smart energy management
A. Environmental monitoring
B. Literary criticism
C. Paper sorting only
D. Theatre staging only
Correct Answer: A. Environmental monitoring
A. Too many font styles
B. Short course code
C. Book ISBN length
D. Collection of personal or location data
Correct Answer: D. Collection of personal or location data
A. Using default passwords forever
B. Disabling all updates
C. Using strong credentials and regular updates
D. Sharing private keys publicly
Correct Answer: C. Using strong credentials and regular updates
A. Devices are never touched
B. Devices may be deployed in exposed public or remote locations
C. Sensors do not exist
D. Data is never stored
Correct Answer: B. Devices may be deployed in exposed public or remote locations
A. Distributed denial-of-service attacks
B. Printing attendance only
C. Manual report writing
D. Offline dictionary lookup
Correct Answer: A. Distributed denial-of-service attacks
A. Alphabetizing books
B. Changing paper size
C. Drawing a diagram
D. Unauthorized access to a smart device
Correct Answer: D. Unauthorized access to a smart device
A. It makes sensors invisible
B. It removes wireless signals
C. Attackers may easily guess or know it
D. It improves privacy automatically
Correct Answer: C. Attackers may easily guess or know it
A. Avoid all maintenance
B. Fix vulnerabilities and improve functionality safely
C. Remove identity
D. Stop all communication permanently
Correct Answer: B. Fix vulnerabilities and improve functionality safely
A. Protect data by converting it into unreadable form without a key
B. Increase device weight
C. Remove every network
D. Print more pages
Correct Answer: A. Protect data by converting it into unreadable form without a key