NPTEL Introduction To Internet Of Things Assignment 7 Answers 2022:- All the Answers provided here to help the students as a reference, You must submit your assignment at your own knowledge.
What is Introduction To Internet Of Things?
Introduction to the Internet Of Things is a fun-filled course where Domain Certification helps learners to gain expertise in specific areas/Doman. This can be helpful for learners who wish to work in a particular area as part of their job or research or for those appearing for some competitive exam or becoming job-ready or specializing in an area of study
CRITERIA TO GET A CERTIFICATE
Average assignment score = 25% of the average of the best 8 assignments out of the total 12 assignments given in the course.
Exam score = 75% of the proctored certification exam score out of 100
Final score = Average assignment score + Exam score
YOU WILL BE ELIGIBLE FOR A CERTIFICATE ONLY IF THE AVERAGE ASSIGNMENT SCORE >=10/25 AND EXAM SCORE >= 30/75. If one of the 2 criteria is not met, you will not get the certificate even if the Final score >= 40/100.
| COURSE NAME | ANSWER |
| NPTEL Introduction To Internet Of Things Assignment 1 Answers | Click Here |
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| NPTEL Introduction To Internet Of Things Assignment 12 Answers | NA |
NPTEL Introduction To Internet Of Things Assignment 7 Answers 2022 {July – Dec}
1. You have an IoT temperature sensor that is sensing temperature from a particular location and sending the data over the network to a server situated far away in another city for storage. This is an example of remote data logging.
a. True
b. False
Answer:- a
2. For a two-way communication between a client and server, i.e both the client and the server send data to each other, it is important that both of them knows about the following about each other
a. Only the IP address of server
b. Only the port number of client
c. Both the P address and port number
d. Neither the IP address nor the port number
Answer:- c
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3. If you are using Raspberry Pi (RPi) to connect standard IoT sensors (such as DHT temperature sensors), which among the following components of the Raspbery Pi do you use connect your Pi to your sensor for data transfer.
a. HDMI port of the RPi
b. MicroSD card slot of the RPi
c. Ethernet LAN port of the RPi
d. General Purpose Input Output (GPIO) pins of the RPi
Answer:- d
4. It is possible to connect a single DHT temperature sensor with a suitable number of connection wires with two Raspberry Pis acting as a client for the same sensor.
a. True
b. False
Answer:- b
5. Which among the following denotes the connect connection order for a standard 4-PN DHT sensor with the order of PIN numbers taken as 4,3,2,1 (from right to left)
a. Data, Null, Ground, Power
b. Ground, Data, Power, Null
c. Ground, Null, Data, Power
d. Power, Data, Null, Ground
Answer:- c
6. Using the matplotlib library in Python, you are plotting a graph of pressure values versus time, with pressure taken in the vertical axis and time taken in the horizontal axis. While writing the code to plot the graph, which among the following is the corect parameter (denoted by “??’) that you can write within the function “ylabel(??)”
a. Time
b. Pressure
c. Length
d. Mass
Answer:- b
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7. Lack of centralized control is a problem and limitation of traditional network architectures without Software Defined Networking (SDN) support
a. True
b. False
Answer:- a
8. Detaching the physical hardware from the overlying software components, such as the Operating System (Os) and applications forms an important aspect of transitioning to SDN
a. True
b. False
Answer:- a
9. Flow rules are stored within SDN switches that run the penFlow protocol in the following format.
a. Images
b. Files
c. Tables
d. None of these
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10. Among the following, which is the most unlikely to be considered as a suitable candidate for a match- field for flow rules in SDN
a. Source port number of the packet
b. Destination IP address of the packet
c. Temperature of the switch motherboard
d. Destination MAC address.
Answer:- c
11. In SDN, the central controller of one network can communicate with the central controller of another sDN network through which of the following directional APIs
a. East-West bound APIs
b. Southbound APIs
c. Westbound APIs
d. None of these.
Answer:- a
12. Suppose in SDN, there are two switches S1 and $2. The same packet P arrives in both the switches, s2 does not have the appropriate flow rule to forward this particular packet, whereas S1 has. Then with respect to the two switches, what is the corect action that is taken.
a. S1 sends PACKET_IN to controller, $2 forwards the packet
b. $2 sends PACKET _IN to controller, S1 forwards the packet
c. Both S1 and $2 send PACKET_IN to controller
d. Both S1 and $2 forward the packet.
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13. No matter how big an SDN network becomes, we can never have more than one SDN controller.
a. True
b. False
Answer:- b
14. With Software Defined IoT, it is possible to control the individual physical sensor and actuator nodes as well as rule placement of the backbone network remotely by suitable orchestration and software.
a. Yes
b. No
Answer:- a
15. Soft-WSN that has been proposed as one of the solutions to Software Defined IoT achieves the following
a. Only Device Management
b. Only Topology Management
c. Both Device and Topology Management
d. Neither Device nor Topology Management
Answer:- c
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NPTEL Introduction To Internet Of Things Assignment 7 Answers 2022 {Jan – June}
Q1. In Socket programming, the parameter AF_INET stands for ___________.
a. Unix protocols
b. Internet Protocol (IP)
c. File sharing
d. Time slicing
Answer:- b. Internet Protocol (IP)
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Q2. During remote server access by a Raspberry Pi, where the Raspberry Pi acts as a client, the client needs the following?
Answer: c
Q3. If you are using Raspberry Pi to connect IoT sensors (such as DHT temperature sensors), which of the following python-based libraries lets you configure the sensors and read data from them?
Answer: a
Q4. You can store and log the different sensor data for processing in text (.txt) files but not comma separated value (.csv) files.
Answer: b
Q5. Consider the following python script using the split() function, what will be the correct print output (SEE the options VERY carefully including the quotation marks)
dat = ‘Apple,Guava#Banana’
var = dat.split(“”#””)
print(var)
Answer: d
Q6. In SDN, the central controller defines all the paths, flows and behavior of the network in a centralized manner.
Answer: a
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Q7. OpenFlow is a protocol that is used for traditional distributed OSPF based networking.
Answer: a
Q8. In SDN _______ tables in switches describe the rules that the switch must follow for packet forwarding and are configured by the controller.
Answer: d
Q9. In a network architecture one logical hop between two nodes can actually be composed of multiple physical hops in the physical network.
Answer: a
Q10. What among the following is a challenge while designing SDN architecture?
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Q11. PACKET_IN type of messages are associated with which of the following directional APIs?
Answer: b
Q12. For an SDN switch flow rule, the soft timeout is set to 2 minutes and the hard timeout is set to 6 minutes. After 6 minutes and 10 seconds since the flow rule was initialized, what will be the status of the flow be in the switch?
Answer: a
Q13. It is a good idea to keep a backup controller in an SDN architecture along with the main controller.
Answer: a
Q14. Software Defined IoT solves the challenge of ____________ that is prevalent in traditional IoT networks.
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Q15. Sensor OpenFlow, Soft-WSN and SDN-WISE are examples of ____________.
Answer: c
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NPTEL Introduction To Internet Of Things Assignment 7 Answers 2022:- All the Answers provided here to help the students as a reference, You must submit your assignment at your own knowledge.