Introduction To Internet Of Things | Week 9

Introduction To Internet Of Things Week 9

Course Link: https://onlinecourses.nptel.ac.in/noc23_cs51/course

Q1. Openstack is a free open source software for cloud framework simulation and experimentation with
a. True
b. False

Q2. Which among the following is NOT a component of OpenStack.
a. Horizon
b. Heat
c. Plasma
d. Neutron

Q3. You cannot ping your OpenStack instance from an outside network unless you connect your instance with the public network through a
a. Router
b. Firewall
c. Repeater
d. Load balancer

Q4. Virtualized resources within the OpenStack simulator that you can define, set parameters of and deploy within OpenStack are also known as
a. Instances
b. Files
c. Hypervisors
d. Sketches

Q5. The SCSP in sensor clouds is responsible for caching the data in the databases.
a. True
b. False

Q6. Select the correct option for replacing the box (in red) in the following architecture for sensor cloud user organization view.

a. User credentials
b. Template display
c. Template view
d. User view

Q7. Which among the following is the principal feature of sensor clouds, with respect to sensor nodes?
a. Sensor monitoring
b. Sensor instantiation
c. Sensor virtualization
d. Sensor collection

Q8. Caching in sensor cloud provide no benefit over regions with slow environmental monitoring rate.
a. True
b. False

Q9. How many different types of caching mechanism are there in sensor cloud?
a 1
b. 4
c. 2
d. 3

Q10. Virtual sensors within a sensor cloud have communication interfaces with ________.
a. Only the physical sensors below them
b. Only the end-user applications above them.
c. Both physical sensors below and applications above.
d. Neither the physical sensors, nor the applications above.

Q11. Data from an IoT device 1s transferred to cloud via a network, which 1s then processed at the cloud and then a response is sent back to the IoT device from the cloud after processing. The time it takes for one-way data transfer between the node and cloud is 10s and the data processing time at the cloud is ‘x’ seconds. It takes a total of 25s for the entire to and fro transfer of data between the sensor and cloud along with processing at the cloud. What is the value of x?
a. 10s
b. 5s
c. 15s
d. 20s

Q12. In IoT, temporal sensitivity of data plays an important role
a. True
b. False

Q13. Extremely time sensitive data in IoT should be processed and analyzed ________.
a. Farthest away from source
b. Closest to the source
c. Distance between source and place of analysis does not matter
d. None of these

Q14. Which among the following is a view of a Fog Computing Architecture?
a. Node View
b. System View
c. Software View
d. All of these

Q15. Which among the following is true?
a. Fog computing acts as a complement to cloud computing.
b. Fog computing is a replacement for cloud computing.
c. Fog computing and cloud computing are the same.
d. Fog computing is more powerful than cloud computing (with respect to resources).