CoAP stands for:
Correct Answer: B. Constrained Application Protocol
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 protocol is often used for request/response web services?
Correct Answer: B. HTTP
What does MAC stand for in networking?
Correct Answer: B. Medium Access Control
What is a header in a network packet?
Correct Answer: B. Control information used for delivery and interpretation
Which is a common IoT output device?
Correct Answer: C. LED, buzzer, motor, or relay
Which statement best describes an IoT ecosystem?
Correct Answer: C. A set of devices, networks, platforms, data, and applications working together
CoAP is designed mainly for:
Correct Answer: C. Constrained devices and constrained networks
Which is better for event-driven many-to-many IoT messaging?
Correct Answer: C. MQTT publish/subscribe
The MAC layer in IEEE 802.15.4 helps devices:
Correct Answer: C. Share the wireless medium
Addressing in networks is needed to:
Correct Answer: C. Identify source and destination devices
IoT is considered interdisciplinary because it combines:
Correct Answer: D. Networking, embedded systems, data analytics, and applications
RFID is commonly used for:
Correct Answer: D. Automatic identification of tagged objects