Q.1
14 Marks(a)
Differentiate between IoT and Machine-to-Machine (M2M) communication.
Also asked in Summer 2026 Q1b
Gujarat Technological UniversityWinter 2025 examination
GTU 3171108 Internet of Things Winter 2025 Question Paper & PDF
B.E. · EC Engineering · Semester 7 · Subject code 3171108
- Total
- 70 marks
- To pass
- 23 marks (33%)
- Duration
- 2.5 Hours 10:30 AM – 1:00 PM
- Questions
- 5 with internal choice
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15 of 25 questions on this paper were also asked in other years. Each is marked below with the years it appeared.See all 16 repeated 3171108 questions, most asked first
Q.2
14 Marks(c)
Describe how sensors and actuators interact in an IoT environment to achieve automation.
OR
(c)
Explain the programming and implementation of a typical IoT system using NodeMCU.
Also asked in Summer 2026 Q2b
Q.3
14 Marks(a)
What is the Message Queue Telemetry Transport (MQTT) protocol in IoT?
Also asked in Summer 2026 Q3b, Summer 2025 Q4a OR
(b)
What is an actuator in IoT, and how does it differ from a sensor?
(c)
Discuss various levels of IoT.
OR
(a)
What is the purpose of the Constrained Application Protocol (CoAP) in IoT?
Also asked in Summer 2026 Q3c, Summer 2025 Q5a
(b)
Describe the functionality of the any one Layer in IoT communication.
(c)
Describe the architecture of the Web Socket protocol in IoT, including its benefits and drawbacks.
Q.4
14 Marks(b)
What are link layer protocols in IoT, and how do they contribute to IoT communication?
(c)
Explain the security challenges in IoT protocols and how they can be mitigated.
Also asked in Summer 2026 Q4c, Summer 2025 Q5b OR
OR
(a)
How does CoAP ensure efficiency in constrained IoT devices?
Q.5
14 Marks(b)
How does update management help in maintaining the security of IoT devices?
Also asked in Summer 2026 Q4b OR
(c)
Explain the role of IoT in agriculture, including real-time monitoring and precision farming.
OR
(b)
How is IoT applied in the transportation industry?
(c)
Explain the role of IoT in military defense system.
More Internet of Things papers
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Other Semester 7 subjects
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About this paper
Official Gujarat Technological University (GTU) examination paper for Internet of Things (Winter 2025, B.E. · EC Engineering, Sem 7). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.
Transcribed for student exam preparation from Gujarat Technological University official examination archives. Questions, syllabus guidelines, and curriculum marking schemes remain the intellectual property of Gujarat Technological University.