Introduction To Internet Of Things Week 7
Session: JAN-APR 2023
Course Name: Introduction To Internet Of Things
Course Link: Click Here
These are Introduction To Internet Of Things Week 7 Assignment 7 Answers
Q1. The switches in a non-Software Defined Network (SDN) environment do not have a global view of the network.
a. True
b. False
Answer: a. True
Q2. Which of the following is not a function of the Application Plane in Software Defined Network architecture?
a. Business Logic implementation
b. Security
c. Traffic Engineering
d. Forwarding
Answer: d. Forwarding
Q3. In Socket programming, the parameter AF_INET stands for _______.
a. Unix protocols
b. Internet Protocol (IP)
c. File sharing
d. Timeshieing
Answer: b. Internet Protocol (IP)
These are Introduction To Internet Of Things Week 7 Assignment 7 Answers
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. Controllers in SDN receive requests from the ________.
a. Repeaters
b. Gateways
c. Switches
d. Routers
Answer: c. Switches
Q6. During remote server access using socket programming what is the utility of the listen() function?
a. To create a new socket
b. To bind the socket to connection
c. To wait for clients to connect
d. To close the connection
Answer: c. To wait for clients to connect
These are Introduction To Internet Of Things Week 7 Assignment 7 Answers
Q7. With respect to client-server model of socket programming, in which of the following does the function .bind() reside?
a. Client
b. Server
c. Both client and server
d. None of client and server
Answer: b. Server
Q8. 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
Q9. Which among the following is the correct direction for PACKET _IN type messages in SDN?
a. From controller to switch
b. From switch to controller
c. Between two switches
d. Between two controllers
Answer: b. From switch to controller
These are Introduction To Internet Of Things Week 7 Assignment 7 Answers
Q10. Suppose a particular flow-rule has a soft time-out of 5s and a hard time-out of 3s. Is this association correct?
a. Yes
b. No
Answer: b. No
Q11. In SDN Backup Controllers are required for which among the following?
a. To act as backup of the main controller all the time
b. To act as backup when the main controller fails
c. To replace the main controller all together
d. None of the stated.
Answer: b. To act as backup when the main controller fails
Q12. Which of the following is true?
a. Traditional Network: Routing Table, Software Defined Network: Routing Table
b. Traditional Network: Flow Table, Software Defined Network: Routing Table
c. Traditional Network: Routing Table, Software Defined Network: Flow Table
d. Traditional Network: Flow Table, Software Defined Network: Flow Table
Answer: c. Traditional Network: Routing Table, Software Defined Network: Flow Table
These are Introduction To Internet Of Things Week 7 Assignment 7 Answers
Q13. What are the benefits of using SDN over IoT?
a. Management of device heterogeneity
b. Management of end-device mobility and dynamic flow rules
c. Software control of end-devices, i.e. sensors and actuators
d. All of the given
Answer: d. All of the given
Q14. Sensor OpenFlow, Soft-WSN and SDN-WISE are examples of ________.
a. Traditional routing protocols.
b. Various SDN protocols for wired LANs
c. Various implementations of the concept of Software Defined IoT
d. Traditional IoT protocol examples.
Answer: c. Various implementations of the concept of Software Defined IoT
These are Introduction To Internet Of Things Week 7 Assignment 7 Answers
Q15. 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)
a. [‘Apple’,’Guava’,’Banana’]
b. [‘Apple’,’Guava’]
c. [‘Guava’,’Banana’]
d. [‘Apple,Guava’,’Banana’]
Answer: d. [‘Apple,Guava’,’Banana’]
These are Introduction To Internet Of Things Week 7 Assignment 7 Answers
All weeks of Introduction to Internet of Things: Click Here
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Session: Jul-Dec 2022
These are Introduction To Internet Of Things Week 7 Assignment 7 Answers
Course Name: Introduction To Internet Of Things
Link to Enroll: Click Here
Q1. 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
Q2. 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
These are Introduction To Internet Of Things Week 7 Assignment 7 Answers
Q3. 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
Q4. 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
These are Introduction To Internet Of Things Week 7 Assignment 7 Answers
Q5. 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
Q6. 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
These are Introduction To Internet Of Things Week 7 Assignment 7 Answers
Q7. 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
Q8. 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
These are Introduction To Internet Of Things Week 7 Assignment 7 Answers
Q9. 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
Answer:
Q10. 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
These are Introduction To Internet Of Things Week 7 Assignment 7 Answers
Q11. 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
Q12. 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.
Answer: b
These are Introduction To Internet Of Things Week 7 Assignment 7 Answers
Q13. No matter how big an SDN network becomes, we can never have more than one SDN controller.
a. True
b. False
Answer: b
Q14. 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
These are Introduction To Internet Of Things Week 7 Assignment 7 Answers
Q15. 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
These are Introduction To Internet Of Things Week 7 Assignment 7 Answers
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