Introduction To Internet Of Things | Week 7

Introduction To Internet Of Things Week 7

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

Q1. The switches in a non-Software Defined Network (SDN) environment do not have a global view of the network.
a. True
b. False

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

Q3. In Socket programming, the parameter AF_INET stands for _______.
a. Unix protocols
b. Internet Protocol (IP)
c. File sharing
d. Timeshieing

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

Q5. Controllers in SDN receive requests from the ________.
a. Repeaters
b. Gateways
c. Switches
d. Routers

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

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

Q8. Which among the following are valid data processing activities
a. Data Splitting
b. Data filtering
c. Data plotting
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

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

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.

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

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

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.

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’]