Which component can store configuration and firmware on a device?
Correct Answer: D. Memory
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 method is typically used in REST to retrieve data?
Correct Answer: D. GET
Retransmission is used when:
Correct Answer: D. A packet may be lost or not acknowledged
A CoAP client usually sends a request to:
Correct Answer: D. A CoAP server resource
Which is a common issue in IoT architecture?
Correct Answer: A. Heterogeneity of devices and protocols
Which function is commonly handled by an IoT gateway?
Correct Answer: A. Protocol translation
Which is a good design principle for IoT architecture?
Correct Answer: A. Modular design with clear layers and interfaces
Which method is typically used in REST to create or send data?
Correct Answer: A. POST
Which metric measures the time taken for packets to travel?
Correct Answer: A. Delay or latency
Which CoAP method is used to read a resource?
Correct Answer: A. GET
Which device typically performs local filtering or aggregation of sensor readings?
Correct Answer: B. Edge device or gateway
Which node component usually converts analog sensor signals into digital values?
Correct Answer: B. Analog-to-digital converter