Introduction To Internet Of Things Week 9

Session: JAN-APR 2023

Course Name: Introduction To Internet Of Things

Course Link: Click Here

These are Introduction To Internet Of Things Week 9 Assignment 9 Answers


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

Answer: a. True


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

Answer: c. Plasma


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

Answer: a. Router


These are Introduction To Internet Of Things Week 9 Assignment 9 Answers


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

Answer: a. Instances


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

Answer: a. True


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

image 62

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

Answer: b. Template display


These are Introduction To Internet Of Things Week 9 Assignment 9 Answers


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

Answer: c. Sensor virtualization


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

Answer: a. True


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

Answer: c. 2


These are Introduction To Internet Of Things Week 9 Assignment 9 Answers


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.

Answer: c. Both physical sensors below and 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

Answer: b. 5s


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

Answer: a. True


These are Introduction To Internet Of Things Week 9 Assignment 9 Answers


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

Answer: b. Closest to the source


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

Answer: a. Node View


These are Introduction To Internet Of Things Week 9 Assignment 9 Answers


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).

Answer: a. Fog computing acts as a complement to cloud computing.


These are Introduction To Internet Of Things Week 9 Assignment 9 Answers

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Session: Jul-Dec 2022

These are Introduction To Internet Of Things Week 9 Assignment 9 Answers

Course Name: Introduction To Internet Of Things

Link to Enroll: Click Here


1) The OpenStack cloud simulation framework provides an interactive Graphical User Interface (GUI)
a. True
b. False

Answer: a. True


2) 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

Answer: c. Hypervisors


These are Introduction To Internet Of Things Week 9 Assignment 9 Answers


3) If you want to connect your OpenStack instance with the external public network (like the Internet), you would need to connect the following between your instance and the public network
a. Database
b. File
c. Memory
d. Router

Answer: d. Router


4) Which among the following is NOT a part of a sensor node connected to a wireless sensor network.
a. Sensing unit
b. Gaming unit
c. Processing unit
d. Communication unit

Answer: b. Gaming unit


These are Introduction To Internet Of Things Week 9 Assignment 9 Answers


5) Consider that you have two types of sensors, soil monitoring sensor for smart farming and temperature sensor for smart industry. The concept that the correct (right) type of sensor must be deployed only at their correct and appropriate physical location suitable as per their functionalities is known as
a. Right way of deployment
b. Right place of deployment
c. Right time of deployment
d. None of these

Answer: b. Right place of deployment


6) Sensor-as-a-Service (Se-aaS) is an exciting new concept that brings the service models of cloud computing to traditional IoT sensor networks. In this aspect, which among the following forms an essential component of a Se-aaS architecture.
a. Sensor marketing
b. Sensor division
c. Sensor virtualization
d. Sensor manufacturing

Answer: b. Sensor division


These are Introduction To Internet Of Things Week 9 Assignment 9 Answers


7) Considering the end-to-end architecture of a WSN, from the physical sensor nodes right up to the users, sensor-cloud supports different entities to have ownership of the different layers and components simultaneously.
a. True
b. False

Answer: b. False


8) In sensor cloud architecture the Sensor Cloud Service Provider (SCSP) is logically situated at the following position of the architecture
a. In the same level as the physical sensors
b. In between the physical sensors and the user layer
c. In the same level as the users
d. None of these

Answer: b. In between the physical sensors and the user layer


These are Introduction To Internet Of Things Week 9 Assignment 9 Answers


9) In sensor cloud, the association between virtual sensor instances and the corresponding physical sensors follows
a. one to one mapping
b. one to many mapping
c. many to one mapping
d. many to many mapping

Answer: b. one to many mapping


10) Dynamic caching mechanism improves the flexibility and efficiency of sensor cloud.
a. True
b. False

Answer: b. False


These are Introduction To Internet Of Things Week 9 Assignment 9 Answers


11) With respect to the caching based architecture of a sensor cloud, the External Cache (EC) has a direct data connection with which among the following
a. The Internal Cache (IC)
b. The user applications
c. Physical sensors
d. Both physical sensors and Internal Cache (IC)

Answer: b. The user applications


12) Data from an IoT device is transferred to cloud via a network, which is 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

Answer: c. 15s


These are Introduction To Internet Of Things Week 9 Assignment 9 Answers


13) There are two types of sensor data, A and B. A is time sensitive that is required to be processed immediately, while B is not time sensitive and can tolerate longer time for processing. As per the standard utilities of cloud and fog computing, which among the following options show the correct processing locations for A and B.
a. A : Cloud, B : Fog
b. A : Fog, B : Cloud
c. None of these
d. Both of these

Answer: b. A : Fog, B : Cloud


14) There can be multiple fog nodes in between the physical sensor layer at the bottom and the cloud layer at the top.
a. True
b. False

Answer: a. True


These are Introduction To Internet Of Things Week 9 Assignment 9 Answers


15) Which among the following is/are a potential problem and challenge in fog computing?
a. Power consumption
b. Data security
c. Reliability
d. All of these

Answer: d. All of these


These are Introduction To Internet Of Things Week 9 Assignment 9 Answers

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These are Introduction To Internet Of Things Week 9 Assignment 9 Answers