Which communication option is generally low power and suitable for beacons and wearables?
Correct Answer: B. BLE
MCQ Collection
Semester Exam MCQs
Semester Exam preparation MCQs for university and college students. This section includes subject-wise practice questions, answers, and explanations to help learners prepare for midterm exams, final exams, quizzes, and academic tests.
Which is a common cause of poor wireless link quality?
Correct Answer: B. Interference and distance from transmitter
Which is the function of network routing in a sensor network?
Correct Answer: B. Deliver sensed data from source nodes to destination nodes
Which topology is simple but depends heavily on a central node?
Correct Answer: B. Star topology
Which system is most likely to use IoT sensors?
Correct Answer: C. Environmental monitoring system
IEEE 802.11ah is also associated with:
Correct Answer: C. Wi-Fi HaLow for longer-range low-power IoT connectivity
Which technology commonly supports mesh networking for home automation?
Correct Answer: C. ZigBee
A gateway may translate between local IoT protocols and:
Correct Answer: C. Internet or cloud protocols
Which of the following is a basic building block of IoT?
Correct Answer: C. Sensor
Which topology organizes nodes in hierarchical branches?
Correct Answer: C. Tree topology
Which is a key advantage of IoT?
Correct Answer: D. Improved efficiency through automation
Which is a common source of IoT data?
Correct Answer: D. Sensors attached to objects or environments