Which concept is central to congestion control?
Correct Answer: A. Managing traffic load to reduce packet loss and delays
MCQ Collection
Internet of Things (IoT) MCQs
Internet of Things MCQs for students, university exams, smart devices, sensors, networks, and technology-related preparation.
Encryption is used to:
Correct Answer: A. Protect data by converting it into unreadable form without a key
Which is a key legal concern for IoT systems?
Correct Answer: A. Compliance with data protection rules
Which security issue is caused by weak or unchanged default credentials?
Correct Answer: A. Unauthorized login or device takeover
Which concept is central to reliability?
Correct Answer: B. Confirming and recovering from lost or corrupted data
A secure firmware update helps IoT devices:
Correct Answer: B. Fix vulnerabilities and improve functionality safely
Which is an ethical concern in IoT?
Correct Answer: B. Transparent data collection and informed consent
Which security mechanism ensures data came from a trusted source?
Correct Answer: B. Authentication and message integrity checking
Which protocol is mentioned in the course content along with MQTT?
Correct Answer: C. MQTT-SN
A default password on IoT devices is risky because:
Correct Answer: C. Attackers may easily guess or know it
In IoT security, access control is used to:
Correct Answer: C. Limit actions to permitted users or devices
Which term refers to hiding personal identity in collected data?
Correct Answer: C. Anonymization