Internet of Things Assignment-Week 0 PDF

NPTEL Online Certification Courses Indian Institute of Technology Kharagpur Introduction to Internet of Things Assignment-Week 0...

NPTEL Online Certification Courses Indian Institute of Technology Kharagpur Introduction to Internet of Things Assignment-Week 0 TYPE OF QUESTION: MCQ/MSQ Number of questions: 10 Total marks: 10 X 1= 10 QUESTION 1: Which of the following allows us to identify objects and extract information? a. RFID b. Sensors c. Actuators d. IoT Nodes Correct Answer: a. RFID Detailed Solution: RFID Technology allows us to automatically identify and track tags that are attached to the objects. It extracts information from the tags through electromagnetic fields. See lecture 1 @ 12:57 QUESTION 2: How many layers does Zigbee consist of? a. 1 b. 2 c. 3 d. 4 Correct Answer: d. 4 Detailed Solution: Zigbee consists of 4 layers: Physical, Medium Access Control, Network, and Application. See lecture 48 @ 16:11 QUESTION 3: Which of the following is not a component of cloud computing? a. Clients b. Local Servers c. Services d. Applications  NPTEL Online Certification Courses Indian Institute of Technology Kharagpur Correct Answer: b. Local Servers Detailed Solution: Cloud computing components include clients, services, applications, platform, storage, and infrastructure. See lecture 37 @ 23:29 QUESTION 4: Which of the following is a distance measuring sensor module? a. DHT22 b. HC-SR04 c. TSL2591 d. HC-SR505 Correct Answer: b. HC-SR04 Detailed Solution: HC-SR04 is the distance measuring module ultrasonic sensor, which measures the distance between 2cm~450cm. See lecture 3 @ 5:00 QUESTION 5: Which of the following is a component in a typical sensor network? a. Sink b. Gateway c. Router d. All of these Correct Answer: d. All of these Detailed Solution: A typical sensor network comprises of sensor nodes, routers, gateway, and sink. QUESTION 6: Which of the following sensors are responsible for measuring orientation and angular velocity? a. Accelerometer b. GPS c. Temperature d. None of these  NPTEL Online Certification Courses Indian Institute of Technology Kharagpur Correct Answer: d. None of these Detailed Solution: A gyroscope is responsible for measuring orientation and angular velocity. See lecture 59 @ 15:41 QUESTION 7: “ISA 100.11A” is a wireless networking technology standard. ISA stands for _______. a. International Society of Automation b. International Society of Advancement c. Industrial Society of Automation d. Industrial Society of Advancement Correct Answer: a. International Society of Automation Detailed Solution: ISA100.11a is a wireless networking technology standard developed by the International Society of Automation (ISA). See lecture 13@ 15:55 QUESTION 8: Which of the following is not a difference between traditional data center and cloud computing? a. Scalability b. Flexibility c. Elasticity d. Storage Correct Answer: d. Storage Detailed Solution: Major differences between traditional data center and cloud computing include scalability, flexibility, elasticity, automation, running costs, and security See lecture 39 @ 11:02 QUESTION 9: Smart grid is also known as the energy internet. a. True b. False  NPTEL Online Certification Courses Indian Institute of Technology Kharagpur Correct Answer: a. True Detailed Solution: Smart grid is also known as the energy internet. See lecture 51 @ 7:51 QUESTION 10: Can a point of node failure result in the partition of the network in the stationary sensor network? a. Yes b. No Correct Answer: a. Yes Detailed Solution: If there is a failure in the stationary sensor network then it is likely that the point of failure can partition the network into two or more fragments. See lecture 18 @ 01:10 ************END***********