Packet delivery ratio measures:
Correct Answer: D. Percentage of sent packets successfully received
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 term describes nodes organizing themselves without fixed infrastructure?
Correct Answer: D. Ad hoc networking
Which of the following is a key wireless design issue in IoT?
Correct Answer: D. Range, interference, data rate, and energy use
Which layer controls channel access in IEEE 802.15.4 systems?
Correct Answer: D. MAC layer
Which is a common IoT benefit for businesses?
Correct Answer: A. Better asset tracking and process optimization
Wi-Fi in IoT is generally suitable when devices need:
Correct Answer: A. Higher data rate and access to existing WLAN infrastructure
Which technology is more appropriate for very short tap-to-communicate applications?
Correct Answer: A. NFC
In IoT, lossy networks are networks where:
Correct Answer: A. Packet loss may occur due to noise, interference, or weak links
Which wireless technology is usually better for high-throughput local networking than ZigBee?
Correct Answer: A. Wi-Fi
Which network topology provides multiple paths between nodes?
Correct Answer: A. Mesh topology
Which is a common IoT risk?
Correct Answer: B. Unauthorized access to connected devices
Which technology is used for long-range cellular IoT communication?
Correct Answer: B. LTE