Course Material: Click Here for Week-7

<<Week-6 IOT ANSWERS Week-8 IOT ANSWERS>>

Introduction To Internet Of Things Week 7

Session: JULY-DEC 2023

Course Link: Click Here

Q1. Raspberry Pi is like a mini computer which can perform a wide range of general purpose tasks.
a. True
b. False

Answer: a. True

Q2. What is the complete form of GPIO pins on Raspberry Pi devices.
a. General Public Input/Output
b. Generative Purpose Input/Output
c. General Purpose Input/Output
d. Global Purpose Input/Output

Answer: c. General Purpose Input/Output

Q3. The Python program which you execute on Raspberry Pi to read data from sensors and control actuators has the same syntax and style as any other Python program.
a. False
b. True

Answer: b. True

Q4. During remote server access by a Raspberry Pi, where the Raspberry Pi acts as a client, the client needs the following?
a. Only IP address of server
b. Only port number
c. Both server IP address and port number
d. Client’s IP address

Answer: c. Both server IP address and port number

Q5. Which among the following are valid data processing activities
a. Data Splitting
b. Data filtering
c. Data plotting
d. All of the given

Answer: d. All of the given

Q6. Consider the following Python code snippet. Assume the syntax is correct and all required libraries are imported
var = ‘Sensor@Actuator%Arduino’
pt = var.split(‘%’)
print(pt)
What will be the output (See every detail, including the apostrophes carefully)?
a. [‘Sensor’,’Actuator’,’Arduino’]
b. [‘Sensor@Actuator’,’Arduino’]
c. [‘Sensor’,’Actuator%Arduino’]
d. [‘Sensor@Actuator%Arduino’]

Answer: b. [‘Sensor@Actuator’,’Arduino’]

Q7. Which among the following functions do you use while using MATPLOTLIB to add title to a plot?
a. plot()
b. add()
c. label()
d. title()

Answer: d. title()

Q8. In traditional non software-defined network consisting of a network of switches, suppose OSPF is being used as the routing protocol. In this context which among the following is true.
a. All the switches execute OSPF distributively
b. Only one switch executes OSPF
c. No switch executes OSPF
d. All of these are true

Answer: b. Only one switch executes OSPF

Q9. In SDN, the Operating System (OS) is separated (i.e not strongly coupled) from the physical hardware for each switch.
a. True
b. False

Answer: a. True

Q10. Which among the following is a popular protocol implementing SDN?
a. OpenSwitch
b. OpenStack
c. OpenFlow
d. OpenEdge

Answer: c. OpenFlow

Q11. With respect to Software Defined Networking (SDN), which among the following is true?
a. SDN couples the data plane and control plane.
b. SDN has no relation to either data plane or control plane
c. SDN separates the data plane and control plane.
d. None of the stated.

Answer: c. SDN separates the data plane and control plane.

Q12. Consider the following figure below. To which issue of SDN does this particular figure can be related to?
a. Controller placement issue
b. Flow Rule placement issue
c. Hardware placement issue
d. Analysis placement issue

Answer: b. Flow Rule placement issue

Q13. Suppose that there are two LANs, each configured to be SDN enabled with their own set of switches and controller. Which among the following directional APIs will be used for communication between the two controllers?
a. Northbound API
b. East-Westbound API
c. Southbound API
d. Northeastbound API

Answer: b. East-Westbound API

Q14. Which among the following is true?
a. Backup Controllers have no use is SDN
b. There is no difference between the main controller and backup controller
c. Backup controllers take over when the main controller goes down
d. It is not a good idea to keep backup controllers.

Answer: c. Backup controllers take over when the main controller goes down

Q15. IoT being data intensive and having a lot of security concerns, it is a good idea to integrate SDN with IoT to mitigate many of these issues.
a. True
b. False

Answer: a. True

ASSIGNMENT-7 DETAILED SOLUTIONS